diff --git a/flang/runtime/Float128Math/scale.cpp b/flang/runtime/Float128Math/scale.cpp
@@ -13,7 +13,7 @@
 namespace Fortran::runtime {
 extern "C" {
 
-#if LDBL_MANT_DIG == 113 || HAS_FLOAT128
+#if LDBL_MANT_DIG != 113 && HAS_FLOAT128
 F128Type RTDEF(Scale16)(F128Type x, std::int64_t p) {
   auto ip{static_cast<int>(p)};
   if (ip != p) {

diff --git a/flang/runtime/Float128Math/set-exponent.cpp b/flang/runtime/Float128Math/set-exponent.cpp
@@ -12,7 +12,7 @@
 namespace Fortran::runtime {
 extern "C" {
 
-#if LDBL_MANT_DIG == 113 || HAS_FLOAT128
+#if LDBL_MANT_DIG != 113 && HAS_FLOAT128
 // SET_EXPONENT (16.9.171)
 F128Type RTDEF(SetExponent16)(F128Type x, std::int64_t p) {
   return SetExponent(x, p);

diff --git a/flang/runtime/Float128Math/spacing.cpp b/flang/runtime/Float128Math/spacing.cpp
@@ -12,7 +12,7 @@
 namespace Fortran::runtime {
 extern "C" {
 
-#if LDBL_MANT_DIG == 113 || HAS_FLOAT128
+#if LDBL_MANT_DIG != 113 && HAS_FLOAT128
 // SPACING (16.9.180)
 F128Type RTDEF(Spacing16)(F128Type x) { return Spacing<113>(x); }
 #endif

diff --git a/flang/runtime/numeric-templates.h b/flang/runtime/numeric-templates.h
@@ -21,6 +21,7 @@
 #include "terminator.h"
 #include "tools.h"
 #include "flang/Common/float128.h"
+#include "flang/Runtime/api-attrs.h"
 #include <cstdint>
 #include <limits>
 

diff --git a/flang/runtime/numeric.cpp b/flang/runtime/numeric.cpp
@@ -324,6 +324,16 @@ CppTypeFor<TypeCategory::Integer, 8> RTDEF(Exponent10_8)(
     CppTypeFor<TypeCategory::Real, 10> x) {
   return Exponent<CppTypeFor<TypeCategory::Integer, 8>>(x);
 }
+#elif LDBL_MANT_DIG == 113
+// The __float128 implementation resides in FortranFloat128Math library.
+CppTypeFor<TypeCategory::Integer, 4> RTDEF(Exponent16_4)(
+    CppTypeFor<TypeCategory::Real, 16> x) {
+  return Exponent<CppTypeFor<TypeCategory::Integer, 4>>(x);
+}
+CppTypeFor<TypeCategory::Integer, 8> RTDEF(Exponent16_8)(
+    CppTypeFor<TypeCategory::Real, 16> x) {
+  return Exponent<CppTypeFor<TypeCategory::Integer, 8>>(x);
+}
 #endif
 
 CppTypeFor<TypeCategory::Integer, 1> RTDEF(Floor4_1)(
@@ -431,6 +441,12 @@ CppTypeFor<TypeCategory::Real, 10> RTDEF(Fraction10)(
     CppTypeFor<TypeCategory::Real, 10> x) {
   return Fraction(x);
 }
+#elif LDBL_MANT_DIG == 113
+// The __float128 implementation resides in FortranFloat128Math library.
+CppTypeFor<TypeCategory::Real, 16> RTDEF(Fraction16)(
+    CppTypeFor<TypeCategory::Real, 16> x) {
+  return Fraction(x);
+}
 #endif
 
 bool RTDEF(IsFinite4)(CppTypeFor<TypeCategory::Real, 4> x) {
@@ -513,6 +529,13 @@ CppTypeFor<TypeCategory::Real, 10> RTDEF(ModReal10)(
     const char *sourceFile, int sourceLine) {
   return RealMod<false>(x, p, sourceFile, sourceLine);
 }
+#elif LDBL_MANT_DIG == 113
+// The __float128 implementation resides in FortranFloat128Math library.
+CppTypeFor<TypeCategory::Real, 16> RTDEF(ModReal16)(
+    CppTypeFor<TypeCategory::Real, 16> x, CppTypeFor<TypeCategory::Real, 16> p,
+    const char *sourceFile, int sourceLine) {
+  return RealMod<false>(x, p, sourceFile, sourceLine);
+}
 #endif
 
 CppTypeFor<TypeCategory::Integer, 1> RTDEF(ModuloInteger1)(
@@ -563,6 +586,13 @@ CppTypeFor<TypeCategory::Real, 10> RTDEF(ModuloReal10)(
     const char *sourceFile, int sourceLine) {
   return RealMod<true>(x, p, sourceFile, sourceLine);
 }
+#elif LDBL_MANT_DIG == 113
+// The __float128 implementation resides in FortranFloat128Math library.
+CppTypeFor<TypeCategory::Real, 16> RTDEF(ModuloReal16)(
+    CppTypeFor<TypeCategory::Real, 16> x, CppTypeFor<TypeCategory::Real, 16> p,
+    const char *sourceFile, int sourceLine) {
+  return RealMod<true>(x, p, sourceFile, sourceLine);
+}
 #endif
 
 CppTypeFor<TypeCategory::Real, 4> RTDEF(Nearest4)(
@@ -578,6 +608,12 @@ CppTypeFor<TypeCategory::Real, 10> RTDEF(Nearest10)(
     CppTypeFor<TypeCategory::Real, 10> x, bool positive) {
   return Nearest<64>(x, positive);
 }
+#elif LDBL_MANT_DIG == 113
+// The __float128 implementation resides in FortranFloat128Math library.
+CppTypeFor<TypeCategory::Real, 16> RTDEF(Nearest16)(
+    CppTypeFor<TypeCategory::Real, 16> x, bool positive) {
+  return Nearest<113>(x, positive);
+}
 #endif
 
 CppTypeFor<TypeCategory::Integer, 1> RTDEF(Nint4_1)(
@@ -685,6 +721,12 @@ CppTypeFor<TypeCategory::Real, 10> RTDEF(RRSpacing10)(
     CppTypeFor<TypeCategory::Real, 10> x) {
   return RRSpacing<64>(x);
 }
+#elif LDBL_MANT_DIG == 113
+// The __float128 implementation resides in FortranFloat128Math library.
+CppTypeFor<TypeCategory::Real, 16> RTDEF(RRSpacing16)(
+    CppTypeFor<TypeCategory::Real, 16> x) {
+  return RRSpacing<113>(x);
+}
 #endif
 
 CppTypeFor<TypeCategory::Real, 4> RTDEF(SetExponent4)(
@@ -700,6 +742,12 @@ CppTypeFor<TypeCategory::Real, 10> RTDEF(SetExponent10)(
     CppTypeFor<TypeCategory::Real, 10> x, std::int64_t p) {
   return SetExponent(x, p);
 }
+#elif LDBL_MANT_DIG == 113
+// The __float128 implementation resides in FortranFloat128Math library.
+CppTypeFor<TypeCategory::Real, 16> RTDEF(SetExponent16)(
+    CppTypeFor<TypeCategory::Real, 16> x, std::int64_t p) {
+  return SetExponent(x, p);
+}
 #endif
 
 CppTypeFor<TypeCategory::Real, 4> RTDEF(Scale4)(
@@ -715,6 +763,12 @@ CppTypeFor<TypeCategory::Real, 10> RTDEF(Scale10)(
     CppTypeFor<TypeCategory::Real, 10> x, std::int64_t p) {
   return Scale(x, p);
 }
+#elif LDBL_MANT_DIG == 113
+// The __float128 implementation resides in FortranFloat128Math library.
+CppTypeFor<TypeCategory::Real, 16> RTDEF(Scale16)(
+    CppTypeFor<TypeCategory::Real, 16> x, std::int64_t p) {
+  return Scale(x, p);
+}
 #endif
 
 // SELECTED_INT_KIND
@@ -769,6 +823,12 @@ CppTypeFor<TypeCategory::Real, 10> RTDEF(Spacing10)(
     CppTypeFor<TypeCategory::Real, 10> x) {
   return Spacing<64>(x);
 }
+#elif LDBL_MANT_DIG == 113
+// The __float128 implementation resides in FortranFloat128Math library.
+CppTypeFor<TypeCategory::Real, 16> RTDEF(Spacing16)(
+    CppTypeFor<TypeCategory::Real, 16> x) {
+  return Spacing<113>(x);
+}
 #endif
 
 CppTypeFor<TypeCategory::Real, 4> RTDEF(FPow4i)(

diff --git a/flang/test/HLFIR/all-lowering.fir b/flang/test/HLFIR/all-lowering.fir
@@ -34,6 +34,7 @@ func.func @_QPall2(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_n
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?x!fir.logical<4>>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?x!fir.logical<4>>>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<i32>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[MASK:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[DIM_VAR:.*]]:2 = hlfir.declare %[[ARG2]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[ARG1]]
@@ -55,7 +56,6 @@ func.func @_QPall2(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_n
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?x!fir.logical<4>>>, i1) -> !hlfir.expr<?x!fir.logical<4>>
 // CHECK:         hlfir.assign %[[EXPR]] to %[[RES]]#0
 // CHECK:         hlfir.destroy %[[EXPR]]
@@ -79,6 +79,7 @@ func.func @_QPall3(%arg0: !fir.ref<!fir.array<2x!fir.logical<4>>> {fir.bindc_nam
 }
 // CHECK-LABEL:  func.func @_QPall3(
 // CHECK:           %[[ARG0:.*]]: !fir.ref<!fir.array<2x!fir.logical<4>>>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[RET_BOX:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?x!fir.logical<4>>>>
 // CHECK-DAG:     %[[RET_ADDR:.*]] = fir.zero_bits !fir.heap<!fir.array<?x!fir.logical<4>>>
 // CHECK-DAG:     %[[C0:.*]] = arith.constant 0 : index
@@ -101,7 +102,6 @@ func.func @_QPall3(%arg0: !fir.ref<!fir.array<2x!fir.logical<4>>> {fir.bindc_nam
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?x!fir.logical<4>>>, i1) -> !hlfir.expr<?x!fir.logical<4>>
 // CHECK:         hlfir.assign %[[EXPR]] to %[[RES]]
 // CHECK:         hlfir.destroy %[[EXPR]]
@@ -125,6 +125,7 @@ func.func @_QPall4(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_n
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?x!fir.logical<4>>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?x!fir.logical<4>>>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<!fir.box<!fir.ptr<i32>>>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[MASK:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[DIM_ARG:.*]]:2 = hlfir.declare %[[ARG2]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[ARG1]]
@@ -149,9 +150,8 @@ func.func @_QPall4(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_n
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?x!fir.logical<4>>>, i1) -> !hlfir.expr<?x!fir.logical<4>>
 // CHECK:         hlfir.assign %[[EXPR]] to %[[RES]]
 // CHECK:         hlfir.destroy %[[EXPR]]
 // CHECK-NEXT:    return
-// CHECK-NEXT:  }
+// CHECK-NEXT:  }
diff --git a/flang/test/HLFIR/any-lowering.fir b/flang/test/HLFIR/any-lowering.fir
@@ -36,6 +36,7 @@ func.func @_QPany2(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_n
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?x!fir.logical<4>>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?x!fir.logical<4>>>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<i32>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[MASK:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[DIM_VAR:.*]]:2 = hlfir.declare %[[ARG2]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[ARG1]]
@@ -57,7 +58,6 @@ func.func @_QPany2(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_n
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?x!fir.logical<4>>>, i1) -> !hlfir.expr<?x!fir.logical<4>>
 // CHECK:         hlfir.assign %[[EXPR]] to %[[RES]]#0
 // CHECK:         hlfir.destroy %[[EXPR]]
@@ -82,6 +82,7 @@ func.func @_QPany3(%arg0: !fir.ref<!fir.array<2x!fir.logical<4>>> {fir.bindc_nam
 }
 // CHECK-LABEL:  func.func @_QPany3(
 // CHECK:           %[[ARG0:.*]]: !fir.ref<!fir.array<2x!fir.logical<4>>>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[RET_BOX:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?x!fir.logical<4>>>>
 // CHECK-DAG:     %[[RET_ADDR:.*]] = fir.zero_bits !fir.heap<!fir.array<?x!fir.logical<4>>>
 // CHECK-DAG:     %[[C0:.*]] = arith.constant 0 : index
@@ -104,7 +105,6 @@ func.func @_QPany3(%arg0: !fir.ref<!fir.array<2x!fir.logical<4>>> {fir.bindc_nam
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?x!fir.logical<4>>>, i1) -> !hlfir.expr<?x!fir.logical<4>>
 // CHECK:         hlfir.assign %[[EXPR]] to %[[RES]]
 // CHECK:         hlfir.destroy %[[EXPR]]
@@ -129,6 +129,7 @@ func.func @_QPany4(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_n
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?x!fir.logical<4>>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?x!fir.logical<4>>>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<!fir.box<!fir.ptr<i32>>>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[MASK:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[DIM_ARG:.*]]:2 = hlfir.declare %[[ARG2]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[ARG1]]
@@ -153,7 +154,6 @@ func.func @_QPany4(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_n
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?x!fir.logical<4>>>, i1) -> !hlfir.expr<?x!fir.logical<4>>
 // CHECK:         hlfir.assign %[[EXPR]] to %[[RES]]
 // CHECK:         hlfir.destroy %[[EXPR]]

diff --git a/flang/test/HLFIR/count-lowering-default-int-kinds.fir b/flang/test/HLFIR/count-lowering-default-int-kinds.fir
@@ -2,39 +2,39 @@
 // RUN: fir-opt %s -lower-hlfir-intrinsics | FileCheck %s
 
 module attributes {fir.defaultkind = "a1c4d8i8l4r4", fir.kindmap = ""} {
-  func.func @test_i8(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_name = "x"}, %arg1: i64) {
+  func.func @test_i8(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_name = "x"}, %arg1: i64) -> !hlfir.expr<?xi64> {
     %4 = hlfir.count %arg0 dim %arg1 : (!fir.box<!fir.array<?x?x!fir.logical<4>>>, i64) -> !hlfir.expr<?xi64>
-    return
+    return %4 : !hlfir.expr<?xi64>
   }
 }
 // CHECK-LABEL: func.func @test_i8
 // CHECK: %[[KIND:.*]] = arith.constant 8 : i32
 // CHECK: fir.call @_FortranACountDim(%{{.*}}, %{{.*}}, %{{.*}}, %[[KIND]], %{{.*}}, %{{.*}}) : (!fir.ref<!fir.box<none>>, !fir.box<none>, i32, i32, !fir.ref<i8>, i32) -> none
 
 module attributes {fir.defaultkind = "a1c4d8i4l4r4", fir.kindmap = ""} {
-  func.func @test_i4(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_name = "x"}, %arg1: i64) {
+  func.func @test_i4(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_name = "x"}, %arg1: i64) -> !hlfir.expr<?xi32> {
     %4 = hlfir.count %arg0 dim %arg1 : (!fir.box<!fir.array<?x?x!fir.logical<4>>>, i64) -> !hlfir.expr<?xi32>
-    return
+    return %4 : !hlfir.expr<?xi32>
   }
 }
 // CHECK-LABEL: func.func @test_i4
 // CHECK: %[[KIND:.*]] = arith.constant 4 : i32
 // CHECK: fir.call @_FortranACountDim(%{{.*}}, %{{.*}}, %{{.*}}, %[[KIND]], %{{.*}}, %{{.*}}) : (!fir.ref<!fir.box<none>>, !fir.box<none>, i32, i32, !fir.ref<i8>, i32) -> none
 
 module attributes {fir.defaultkind = "a1c4d8i2l4r4", fir.kindmap = ""} {
-  func.func @test_i2(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_name = "x"}, %arg1: i64) {
+  func.func @test_i2(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_name = "x"}, %arg1: i64) -> !hlfir.expr<?xi16> {
     %4 = hlfir.count %arg0 dim %arg1 : (!fir.box<!fir.array<?x?x!fir.logical<4>>>, i64) -> !hlfir.expr<?xi16>
-    return
+    return %4 : !hlfir.expr<?xi16>
   }
 }
 // CHECK-LABEL: func.func @test_i2
 // CHECK: %[[KIND:.*]] = arith.constant 2 : i32
 // CHECK: fir.call @_FortranACountDim(%{{.*}}, %{{.*}}, %{{.*}}, %[[KIND]], %{{.*}}, %{{.*}}) : (!fir.ref<!fir.box<none>>, !fir.box<none>, i32, i32, !fir.ref<i8>, i32) -> none
 
 module attributes {fir.defaultkind = "a1c4d8i1l4r4", fir.kindmap = ""} {
-  func.func @test_i1(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_name = "x"}, %arg1: i64) {
+  func.func @test_i1(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc_name = "x"}, %arg1: i64) -> !hlfir.expr<?xi8> {
     %4 = hlfir.count %arg0 dim %arg1 : (!fir.box<!fir.array<?x?x!fir.logical<4>>>, i64) -> !hlfir.expr<?xi8>
-    return
+    return %4 : !hlfir.expr<?xi8>
   }
 }
 // CHECK-LABEL: func.func @test_i1

diff --git a/flang/test/HLFIR/count-lowering.fir b/flang/test/HLFIR/count-lowering.fir
@@ -34,6 +34,7 @@ func.func @_QPcount2(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?x!fir.logical<4>>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?xi32>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<i32>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[KIND:.*]] = arith.constant 4 : i32
 // CHECK-DAG:     %[[MASK:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[DIM_VAR:.*]]:2 = hlfir.declare %[[ARG2]]
@@ -56,7 +57,6 @@ func.func @_QPcount2(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?xi32>>, i1) -> !hlfir.expr<?xi32>
 // CHECK:         hlfir.assign %[[EXPR]] to %[[RES]]#0
 // CHECK:         hlfir.destroy %[[EXPR]]
@@ -80,6 +80,7 @@ func.func @_QPcount3(%arg0: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "s"})
 }
 // CHECK-LABEL:  func.func @_QPcount3(
 // CHECK:           %[[ARG0:.*]]: !fir.ref<!fir.array<2xi32>>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[RET_BOX:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?xi32>>>
 // CHECK-DAG:     %[[KIND:.*]] = arith.constant 4 : i32
 // CHECK-DAG:     %[[RET_ADDR:.*]] = fir.zero_bits !fir.heap<!fir.array<?xi32>>
@@ -104,7 +105,6 @@ func.func @_QPcount3(%arg0: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "s"})
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?xi32>>, i1) -> !hlfir.expr<?xi32>
 // CHECK:         hlfir.assign %[[EXPR]] to %[[RES]]
 // CHECK:         hlfir.destroy %[[EXPR]]
@@ -133,6 +133,7 @@ func.func @_QPcount4(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?x!fir.logical<4>>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?xi32>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<i32>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[MASK:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[DIM_VAR:.*]]:2 = hlfir.declare %[[ARG2]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[ARG1]]
@@ -155,7 +156,6 @@ func.func @_QPcount4(%arg0: !fir.box<!fir.array<?x?x!fir.logical<4>>> {fir.bindc
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?xi64>>, i1) -> !hlfir.expr<?xi64>
 // CHECK-NEXT:    %[[OUT_SHAPE:.*]] = hlfir.shape_of %[[EXPR]]
 // CHECK-NEXT:    %[[OUT:.*]] = hlfir.elemental %[[OUT_SHAPE]] : (!fir.shape<1>) -> !hlfir.expr<?xi32>

diff --git a/flang/test/HLFIR/dot_product-lowering.fir b/flang/test/HLFIR/dot_product-lowering.fir
@@ -96,7 +96,6 @@ func.func @_QPdot_product4(%arg0: !fir.box<!fir.array<?x!fir.logical<4>>> {fir.b
 // CHECK:           %[[VAL_2:.*]] = fir.alloca !fir.logical<4>
 // CHECK:           %[[VAL_3:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFdot_product2Elhs"} : (!fir.box<!fir.array<?x!fir.logical<4>>>) -> (!fir.box<!fir.array<?x!fir.logical<4>>>, !fir.box<!fir.array<?x!fir.logical<4>>>)
 // CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_1]] {uniq_name = "_QFdot_product2Erhs"} : (!fir.box<!fir.array<?x!fir.logical<4>>>) -> (!fir.box<!fir.array<?x!fir.logical<4>>>, !fir.box<!fir.array<?x!fir.logical<4>>>)
-// CHECK:           %[[VAL_5:.*]] = fir.absent !fir.box<!fir.logical<4>>
 // CHECK:           %[[VAL_9:.*]] = fir.convert %[[VAL_3]]#1 : (!fir.box<!fir.array<?x!fir.logical<4>>>) -> !fir.box<none>
 // CHECK:           %[[VAL_10:.*]] = fir.convert %[[VAL_4]]#1 : (!fir.box<!fir.array<?x!fir.logical<4>>>) -> !fir.box<none>
 // CHECK:           %[[VAL_12:.*]] = fir.call @_FortranADotProductLogical(%[[VAL_9]], %[[VAL_10]], %{{.*}}, %{{.*}}) fastmath<contract> : (!fir.box<none>, !fir.box<none>, !fir.ref<i8>, i32) -> i1

diff --git a/flang/test/HLFIR/extents-of-shape-of.f90 b/flang/test/HLFIR/extents-of-shape-of.f90
@@ -31,18 +31,17 @@ elemental subroutine elem_sub(x)
 ! CHECK-HLFIR-NEXT:    hlfir.destroy %[[MUL]]
 
 ! ...
+! CHECK-FIR-DAG:       %[[C0:.*]] = arith.constant 0 : index
+! CHECK-FIR-DAG:       %[[C1:.*]] = arith.constant 1 : index
+! CHECK-FIR-DAG:       %[[C2:.*]] = arith.constant 2 : index
 ! CHECK-FIR:           fir.call @_FortranAMatmul
 ! CHECK-FIR-NEXT:      %[[MUL:.*]] = fir.load %[[MUL_BOX:.*]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?x?xf32>>>>
-! CHECK-FIR-NEXT:      %[[C0:.*]] = arith.constant 0 : index
 ! CHECK-FIR-NEXT:      %[[DIMS0:.*]]:3 = fir.box_dims %[[MUL]], %[[C0]]
-! CHECK-FIR-NEXT:      %[[C1:.*]] = arith.constant 1 : index
 ! CHECK-FIR-NEXT:      %[[DIMS1:.*]]:3 = fir.box_dims %[[MUL]], %[[C1]]
 ! ...
 ! CHECK-FIR:           %[[SHAPE:.*]] = fir.shape %[[DIMS0]]#1, %[[DIMS1]]#1
-! CHECK-FIR-NEXT:      %[[C2:.*]] = arith.constant 2 : index
-! CHECK-FIR-NEXT:      %[[C1_1:.*]] = arith.constant 1 : index
-! CHECK-FIR-NEXT:      fir.do_loop %[[ARG2:.*]] = %[[C1_1]] to %[[DIMS1]]#1 step %[[C1_1]] unordered {
-! CHECK-FIR-NEXT:        fir.do_loop %[[ARG3:.*]] = %[[C1_1]] to %[[C2]] step %[[C1_1]] unordered {
+! CHECK-FIR-NEXT:      fir.do_loop %[[ARG2:.*]] = %[[C1]] to %[[DIMS1]]#1 step %[[C1]] unordered {
+! CHECK-FIR-NEXT:        fir.do_loop %[[ARG3:.*]] = %[[C1]] to %[[C2]] step %[[C1]] unordered {
 ! ...
 
 ! CHECK-ALL:           return

diff --git a/flang/test/HLFIR/matmul-lowering.fir b/flang/test/HLFIR/matmul-lowering.fir
@@ -14,6 +14,7 @@ func.func @_QPmatmul1(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "lh
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "lhs"}
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "rhs"}
 // CHECK:           %[[ARG2:.*]]: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "res"}
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[LHS_VAR:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[RHS_VAR:.*]]:2 = hlfir.declare %[[ARG1]]
 // CHECK-DAG:     %[[RES_VAR:.*]]:2 = hlfir.declare %[[ARG2]]
@@ -37,7 +38,6 @@ func.func @_QPmatmul1(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "lh
 // TODO: fix alias analysis in hlfir.assign bufferization
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
 // TODO: add shape information from original intrinsic op
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[ASEXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?x?xi32>>, i1) -> !hlfir.expr<?x?xi32>
 // CHECK:         hlfir.assign %[[ASEXPR]] to %[[RES_VAR]]#0
 // CHECK:         hlfir.destroy %[[ASEXPR]]

diff --git a/flang/test/HLFIR/maxloc-lowering.fir b/flang/test/HLFIR/maxloc-lowering.fir
diff --git a/flang/test/HLFIR/maxval-lowering.fir b/flang/test/HLFIR/maxval-lowering.fir
@@ -37,6 +37,7 @@ func.func @_QPmaxval2(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "a"
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?xi32>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?xi32>>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<index>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[ARRAY:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[ARG1]]
 // CHECK-DAG:     %[[DIM_VAR:.*]]:2 = hlfir.declare %[[ARG2]]
@@ -63,7 +64,6 @@ func.func @_QPmaxval2(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "a"
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // TODO: fix alias analysis in hlfir.assign bufferization
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[ASEXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?xi32>>, i1) -> !hlfir.expr<?xi32>
 // CHECK:         hlfir.assign %[[ASEXPR]] to %[[RES]]#0
 // CHECK:         hlfir.destroy %[[ASEXPR]]
@@ -190,6 +190,7 @@ func.func @_QPmaxval6(%arg0: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_n
 // CHECK-LABEL: func.func @_QPmaxval6(
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x!fir.char<1,?>>>
 // CHECK:           %[[ARG1:.*]]: !fir.boxchar<1>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[ARRAY:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[UNBOXED:.*]]:2 = fir.unboxchar %[[ARG1]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[UNBOXED]]#0 typeparams %[[UNBOXED]]#1
@@ -210,7 +211,6 @@ func.func @_QPmaxval6(%arg0: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_n
 // CHECK:         %[[BOX_ELESIZE:.*]] = fir.box_elesize %[[RET]]
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]] typeparams %[[BOX_ELESIZE]] {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[ASEXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.boxchar<1>, i1) -> !hlfir.expr<!fir.char<1,?>>
 // CHECK:         hlfir.assign %[[ASEXPR]] to %[[RES]]#0
 // CHECK:         hlfir.destroy %[[ASEXPR]]

diff --git a/flang/test/HLFIR/minloc-lowering.fir b/flang/test/HLFIR/minloc-lowering.fir
diff --git a/flang/test/HLFIR/minval-lowering.fir b/flang/test/HLFIR/minval-lowering.fir
@@ -37,6 +37,7 @@ func.func @_QPminval2(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "a"
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?xi32>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?xi32>>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<index>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[ARRAY:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[ARG1]]
 // CHECK-DAG:     %[[DIM_VAR:.*]]:2 = hlfir.declare %[[ARG2]]
@@ -63,7 +64,6 @@ func.func @_QPminval2(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "a"
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // TODO: fix alias analysis in hlfir.assign bufferization
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[ASEXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?xi32>>, i1) -> !hlfir.expr<?xi32>
 // CHECK:         hlfir.assign %[[ASEXPR]] to %[[RES]]#0
 // CHECK:         hlfir.destroy %[[ASEXPR]]
@@ -151,6 +151,7 @@ func.func @_QPminval5(%arg0: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "s"})
 }
 // CHECK-LABEL: func.func @_QPminval5(
 // CHECK:           %[[ARG0:.*]]: !fir.ref<!fir.array<2xi32>>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[RET_BOX:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?xi32>>>
 // CHECK-DAG:     %[[RET_ADDR:.*]] = fir.zero_bits !fir.heap<!fir.array<?xi32>>
 // CHECK-DAG:     %[[C0:.*]] = arith.constant 0 : index
@@ -161,7 +162,6 @@ func.func @_QPminval5(%arg0: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "s"})
 // CHECK-DAG:     %[[RES_VAR:.*]] = hlfir.declare %[[ARG0]](%[[RES_SHAPE:.*]])
 
 // CHECK-DAG:     %[[MASK_ALLOC:.*]] = fir.alloca !fir.logical<4>
-// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[MASK_VAL:.*]]  = fir.convert %[[TRUE]] : (i1) -> !fir.logical<4>
 // CHECK-DAG:     fir.store %[[MASK_VAL]] to %[[MASK_ALLOC]] : !fir.ref<!fir.logical<4>>
 // CHECK-DAG:     %[[MASK_BOX:.*]] = fir.embox %[[MASK_ALLOC]]
@@ -190,6 +190,7 @@ func.func @_QPminval6(%arg0: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_n
 // CHECK-LABEL: func.func @_QPminval6(
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x!fir.char<1,?>>>
 // CHECK:           %[[ARG1:.*]]: !fir.boxchar<1>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[ARRAY:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[UNBOXED:.*]]:2 = fir.unboxchar %[[ARG1]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[UNBOXED]]#0 typeparams %[[UNBOXED]]#1
@@ -210,7 +211,6 @@ func.func @_QPminval6(%arg0: !fir.box<!fir.array<?x!fir.char<1,?>>> {fir.bindc_n
 // CHECK:         %[[BOX_ELESIZE:.*]] = fir.box_elesize %[[RET]]
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]] typeparams %[[BOX_ELESIZE]] {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[ASEXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.boxchar<1>, i1) -> !hlfir.expr<!fir.char<1,?>>
 // CHECK:         hlfir.assign %[[ASEXPR]] to %[[RES]]#0
 // CHECK:         hlfir.destroy %[[ASEXPR]]

diff --git a/flang/test/HLFIR/mul_transpose.f90 b/flang/test/HLFIR/mul_transpose.f90
@@ -35,24 +35,22 @@ subroutine mul_transpose(a, b, res)
 ! CHECK-LOWERING:       %[[TRANSPOSE_RES_LD:.*]] = fir.load %[[TRANSPOSE_RES_BOX:.*]]
 ! CHECK-LOWERING:       %[[TRANSPOSE_RES_ADDR:.*]] = fir.box_addr %[[TRANSPOSE_RES_LD]]
 ! CHECK-LOWERING:       %[[TRANSPOSE_RES_VAR:.*]]:2 = hlfir.declare %[[TRANSPOSE_RES_ADDR]]({{.*}}) {uniq_name = ".tmp.intrinsic_result"}
-! CHECK-LOWERING:       %[[TRUE:.*]] = arith.constant true
-! CHECK-LOWERING:       %[[TRANSPOSE_EXPR:.*]] = hlfir.as_expr %[[TRANSPOSE_RES_VAR]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?x?xf32>>, i1) -> !hlfir.expr<?x?xf32>
+! CHECK-LOWERING:       %[[TRANSPOSE_EXPR:.*]] = hlfir.as_expr %[[TRANSPOSE_RES_VAR]]#0 move {{.*}} : (!fir.box<!fir.array<?x?xf32>>, i1) -> !hlfir.expr<?x?xf32>
 ! CHECK-LOWERING:       %[[TRANSPOSE_ASSOC:.*]]:3 = hlfir.associate %[[TRANSPOSE_EXPR]]({{.*}}) {adapt.valuebyref}
-! CHECK-LOWERING:           (!hlfir.expr<?x?xf32>, !fir.shape<2>) -> (!fir.box<!fir.array<?x?xf32>>, !fir.ref<!fir.array<?x?xf32>>, i1)
+! CHECK-LOWERING:           (!hlfir.expr<?x?xf32>, !fir.shape<2>) -> (!fir.ref<!fir.array<1x2xf32>>, !fir.ref<!fir.array<1x2xf32>>, i1)
 
 ! CHECK-LOWERING:       %[[LHS_BOX:.*]] = fir.embox %[[TRANSPOSE_ASSOC]]#1
 ! CHECK-LOWERING:       %[[B_BOX:.*]] = fir.embox %[[B_DECL]]#1(%{{.*}})
 ! CHECK-LOWERING:       %[[MUL_CONV_RES:.*]] = fir.convert %[[MUL_RES_BOX:.*]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?x?xf32>>>>) -> !fir.ref<!fir.box<none>>
-! CHECK-LOWERING:       %[[LHS_CONV:.*]] = fir.convert %[[LHS_BOX]] : (!fir.box<!fir.array<?x?xf32>>) -> !fir.box<none>
+! CHECK-LOWERING:       %[[LHS_CONV:.*]] = fir.convert %[[LHS_BOX]] : (!fir.box<!fir.array<1x2xf32>>) -> !fir.box<none>
 ! CHECK-LOWERING:       %[[B_BOX_CONV:.*]] = fir.convert %[[B_BOX]] : (!fir.box<!fir.array<2x2xf32>>) -> !fir.box<none>
 ! CHECK-LOWERING:       fir.call @_FortranAMatmul(%[[MUL_CONV_RES]], %[[LHS_CONV]], %[[B_BOX_CONV]], %[[LOC_STR2:.*]], %[[LOC_N2:.*]])
 ! CHECK-LOWERING:       %[[MUL_RES_LD:.*]] = fir.load %[[MUL_RES_BOX:.*]]
 ! CHECK-LOWERING:       %[[MUL_RES_ADDR:.*]] = fir.box_addr %[[MUL_RES_LD]]
 ! CHECK-LOWERING:       %[[MUL_RES_VAR:.*]]:2 = hlfir.declare %[[MUL_RES_ADDR]]({{.*}}) {uniq_name = ".tmp.intrinsic_result"}
-! CHECK-LOWERING:       %[[TRUE2:.*]] = arith.constant true
-! CHECK-LOWERING:       %[[MUL_EXPR:.*]] = hlfir.as_expr %[[MUL_RES_VAR]]#0 move %[[TRUE2]] : (!fir.box<!fir.array<?x?xf32>>, i1) -> !hlfir.expr<?x?xf32>
+! CHECK-LOWERING:       %[[MUL_EXPR:.*]] = hlfir.as_expr %[[MUL_RES_VAR]]#0 move {{.*}} : (!fir.box<!fir.array<?x?xf32>>, i1) -> !hlfir.expr<?x?xf32>
 
-! CHECK-LOWERING:       hlfir.end_associate %[[TRANSPOSE_ASSOC]]#1, %[[TRANSPOSE_ASSOC]]#2 : !fir.ref<!fir.array<?x?xf32>>, i1
+! CHECK-LOWERING:       hlfir.end_associate %[[TRANSPOSE_ASSOC]]#1, %[[TRANSPOSE_ASSOC]]#2 : !fir.ref<!fir.array<1x2xf32>>, i1
 ! CHECK-LOWERING-NEXT:  hlfir.assign %[[MUL_EXPR]] to %[[RES_DECL]]#0 : !hlfir.expr<?x?xf32>, !fir.ref<!fir.array<1x2xf32>>
 ! CHECK-LOWERING-NEXT:  hlfir.destroy %[[MUL_EXPR]]
 ! CHECK-LOWERING-NEXT:  hlfir.destroy %[[TRANSPOSE_EXPR]]
@@ -66,8 +64,7 @@ subroutine mul_transpose(a, b, res)
 ! CHECK-LOWERING-OPT:   %[[MUL_RES_LD:.*]] = fir.load %[[MUL_RES_BOX:.*]]
 ! CHECK-LOWERING-OPT:   %[[MUL_RES_ADDR:.*]] = fir.box_addr %[[MUL_RES_LD]]
 ! CHECK-LOWERING-OPT:   %[[MUL_RES_VAR:.*]]:2 = hlfir.declare %[[MUL_RES_ADDR]]({{.*}}) {uniq_name = ".tmp.intrinsic_result"}
-! CHECK-LOWERING-OPT:   %[[TRUE2:.*]] = arith.constant true
-! CHECK-LOWERING-OPT:   %[[MUL_EXPR:.*]] = hlfir.as_expr %[[MUL_RES_VAR]]#0 move %[[TRUE2]] : (!fir.box<!fir.array<?x?xf32>>, i1) -> !hlfir.expr<?x?xf32>
+! CHECK-LOWERING-OPT:   %[[MUL_EXPR:.*]] = hlfir.as_expr %[[MUL_RES_VAR]]#0 move {{.*}} : (!fir.box<!fir.array<?x?xf32>>, i1) -> !hlfir.expr<?x?xf32>
 ! CHECK-LOWERING-OPT:   hlfir.assign %[[MUL_EXPR]] to %[[RES_DECL]]#0 : !hlfir.expr<?x?xf32>, !fir.ref<!fir.array<1x2xf32>>
 ! CHECK-LOWERING-OPT:   hlfir.destroy %[[MUL_EXPR]]
 
@@ -76,25 +73,23 @@ subroutine mul_transpose(a, b, res)
 ! CHECK-BUFFERING:      %[[TRANSPOSE_RES_LD:.*]] = fir.load %[[TRANSPOSE_RES_BOX:.*]]
 ! CHECK-BUFFERING:      %[[TRANSPOSE_RES_ADDR:.*]] = fir.box_addr %[[TRANSPOSE_RES_LD]]
 ! CHECK-BUFFERING:      %[[TRANSPOSE_RES_VAR:.*]]:2 = hlfir.declare %[[TRANSPOSE_RES_ADDR]]({{.*}}) {uniq_name = ".tmp.intrinsic_result"}
-! CHECK-BUFFERING:      %[[TRUE:.*]] = arith.constant true
 ! CHECK-BUFFERING:      %[[TUPLE0:.*]] = fir.undefined tuple<!fir.box<!fir.array<?x?xf32>>, i1>
-! CHECK-BUFFERING:      %[[TUPLE1:.*]] = fir.insert_value %[[TUPLE0]], %[[TRUE]], [1 : index]
+! CHECK-BUFFERING:      %[[TUPLE1:.*]] = fir.insert_value %[[TUPLE0]], {{.*}}, [1 : index]
 ! CHECK-BUFFERING:      %[[TUPLE2:.*]] = fir.insert_value %[[TUPLE1]], %[[TRANSPOSE_RES_VAR]]#0, [0 : index]
 
-! CHECK-BUFFERING:      %[[TRANSPOSE_RES_REF:.*]] = fir.convert %[[TRANSPOSE_RES_VAR]]#1 : (!fir.heap<!fir.array<?x?xf32>>) -> !fir.ref<!fir.array<?x?xf32>>
+! CHECK-BUFFERING:      %[[TRANSPOSE_RES_REF:.*]] = fir.convert %[[TRANSPOSE_RES_VAR]]#1 : (!fir.heap<!fir.array<?x?xf32>>) -> !fir.ref<!fir.array<1x2xf32>>
 ! CHECK-BUFFERING:      %[[TRANSPOSE_RES_BOX:.*]] = fir.embox %[[TRANSPOSE_RES_REF]]({{.*}})
-! CHECK-BUFFERING:      %[[LHS_CONV:.*]] = fir.convert %[[TRANSPOSE_RES_BOX]] : (!fir.box<!fir.array<?x?xf32>>) -> !fir.box<none>
+! CHECK-BUFFERING:      %[[LHS_CONV:.*]] = fir.convert %[[TRANSPOSE_RES_BOX]] : (!fir.box<!fir.array<1x2xf32>>) -> !fir.box<none>
 ! [argument handling unchanged]
 ! CHECK-BUFFERING:      fir.call @_FortranAMatmul(
 ! CHECK-BUFFERING:      %[[MUL_RES_LD:.*]] = fir.load %[[MUL_RES_BOX:.*]]
 ! CHECK-BUFFERING:      %[[MUL_RES_ADDR:.*]] = fir.box_addr %[[MUL_RES_LD]]
 ! CHECK-BUFFERING:      %[[MUL_RES_VAR:.*]]:2 = hlfir.declare %[[MUL_RES_ADDR]]({{.*}}) {uniq_name = ".tmp.intrinsic_result"}
-! CHECK-BUFFERING:      %[[TRUE2:.*]] = arith.constant true
 ! CHECK-BUFFERING:      %[[TUPLE3:.*]] = fir.undefined tuple<!fir.box<!fir.array<?x?xf32>>, i1>
-! CHECK-BUFFERING:      %[[TUPLE4:.*]] = fir.insert_value %[[TUPLE3]], %[[TRUE2]], [1 : index]
+! CHECK-BUFFERING:      %[[TUPLE4:.*]] = fir.insert_value %[[TUPLE3]], {{.*}}, [1 : index]
 ! CHECK-BUFFERING:      %[[TUPLE5:.*]] = fir.insert_value %[[TUPLE4]], %[[MUL_RES_VAR]]#0, [0 : index]
 
-! CHECK-BUFFERING:      %[[TRANSPOSE_RES_HEAP:.*]] = fir.convert %[[TRANSPOSE_RES_REF]] : (!fir.ref<!fir.array<?x?xf32>>) -> !fir.heap<!fir.array<?x?xf32>>
+! CHECK-BUFFERING:      %[[TRANSPOSE_RES_HEAP:.*]] = fir.convert %[[TRANSPOSE_RES_REF]] : (!fir.ref<!fir.array<1x2xf32>>) -> !fir.heap<!fir.array<1x2xf32>>
 ! CHECK-BUFFERING-NEXT: fir.freemem %[[TRANSPOSE_RES_HEAP]]
 ! CHECK-BUFFERING-NEXT: hlfir.assign %[[MUL_RES_VAR]]#0 to %[[RES_DECL]]#0 : !fir.box<!fir.array<?x?xf32>>, !fir.ref<!fir.array<1x2xf32>>
 ! CHECK-BUFFERING-NEXT: %[[MUL_RES_HEAP:.*]] = fir.box_addr %[[MUL_RES_VAR]]#0 : (!fir.box<!fir.array<?x?xf32>>) -> !fir.heap<!fir.array<?x?xf32>>

diff --git a/flang/test/HLFIR/product-lowering.fir b/flang/test/HLFIR/product-lowering.fir
@@ -39,6 +39,7 @@ func.func @_QPproduct2(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "a
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?xi32>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?xi32>>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<index>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[ARRAY:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[DIM_VAR:.*]]:2 = hlfir.declare %[[ARG2]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[ARG1]]
@@ -64,7 +65,6 @@ func.func @_QPproduct2(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "a
 // CHECK-NEXT:    %[[ADDR:.*]] = fir.box_addr %[[RET]]
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[EXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?xi32>>, i1) -> !hlfir.expr<?xi32>
 // CHECK:         hlfir.assign %[[EXPR]] to %[[RES]]#0
 // CHECK:         hlfir.destroy %[[EXPR]]
@@ -141,6 +141,7 @@ func.func @_QPproduct5(%arg0: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "s"}
 
 // CHECK-LABEL: func.func @_QPproduct5(
 // CHECK:           %[[ARG0:.*]]: !fir.ref<!fir.array<2xi32>>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[RET_BOX:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?xi32>>>
 // CHECK-DAG:     %[[RET_ADDR:.*]] = fir.zero_bits !fir.heap<!fir.array<?xi32>>
 // CHECK-DAG:     %[[C0:.*]] = arith.constant 0 : index
@@ -151,7 +152,6 @@ func.func @_QPproduct5(%arg0: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "s"}
 // CHECK-DAG:     %[[RES_VAR:.*]] = hlfir.declare %[[ARG0]](%[[RES_SHAPE:.*]])
 
 // CHECK-DAG:     %[[MASK_ALLOC:.*]] = fir.alloca !fir.logical<4>
-// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[MASK_VAL:.*]]  = fir.convert %[[TRUE]] : (i1) -> !fir.logical<4>
 // CHECK-DAG:     fir.store %[[MASK_VAL]] to %[[MASK_ALLOC]] : !fir.ref<!fir.logical<4>>
 // CHECK-DAG:     %[[MASK_BOX:.*]] = fir.embox %[[MASK_ALLOC]]

diff --git a/flang/test/HLFIR/sum-lowering.fir b/flang/test/HLFIR/sum-lowering.fir
@@ -37,6 +37,7 @@ func.func @_QPsum2(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "a"},
 // CHECK:           %[[ARG0:.*]]: !fir.box<!fir.array<?x?xi32>>
 // CHECK:           %[[ARG1:.*]]: !fir.box<!fir.array<?xi32>>
 // CHECK:           %[[ARG2:.*]]: !fir.ref<index>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[ARRAY:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[RES:.*]]:2 = hlfir.declare %[[ARG1]]
 // CHECK-DAG:     %[[DIM_VAR:.*]]:2 = hlfir.declare %[[ARG2]]
@@ -63,7 +64,6 @@ func.func @_QPsum2(%arg0: !fir.box<!fir.array<?x?xi32>> {fir.bindc_name = "a"},
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // TODO: fix alias analysis in hlfir.assign bufferization
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[ASEXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?xi32>>, i1) -> !hlfir.expr<?xi32>
 // CHECK:         hlfir.assign %[[ASEXPR]] to %[[RES]]#0
 // CHECK:         hlfir.destroy %[[ASEXPR]]
@@ -151,6 +151,7 @@ func.func @_QPsum5(%arg0: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "s"}) {
 }
 // CHECK-LABEL: func.func @_QPsum5(
 // CHECK:           %[[ARG0:.*]]: !fir.ref<!fir.array<2xi32>>
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[RET_BOX:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?xi32>>>
 // CHECK-DAG:     %[[RET_ADDR:.*]] = fir.zero_bits !fir.heap<!fir.array<?xi32>>
 // CHECK-DAG:     %[[C0:.*]] = arith.constant 0 : index
@@ -161,7 +162,6 @@ func.func @_QPsum5(%arg0: !fir.ref<!fir.array<2xi32>> {fir.bindc_name = "s"}) {
 // CHECK-DAG:     %[[RES_VAR:.*]] = hlfir.declare %[[ARG0]](%[[RES_SHAPE:.*]])
 
 // CHECK-DAG:     %[[MASK_ALLOC:.*]] = fir.alloca !fir.logical<4>
-// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[MASK_VAL:.*]]  = fir.convert %[[TRUE]] : (i1) -> !fir.logical<4>
 // CHECK-DAG:     fir.store %[[MASK_VAL]] to %[[MASK_ALLOC]] : !fir.ref<!fir.logical<4>>
 // CHECK-DAG:     %[[MASK_BOX:.*]] = fir.embox %[[MASK_ALLOC]]

diff --git a/flang/test/HLFIR/transpose-lowering.fir b/flang/test/HLFIR/transpose-lowering.fir
@@ -18,6 +18,7 @@ func.func @_QPtranspose1(%arg0: !fir.ref<!fir.array<1x2xi32>> {fir.bindc_name =
 // CHECK-LABEL: func.func @_QPtranspose1(
 // CHECK:           %[[ARG0:.*]]: !fir.ref<!fir.array<1x2xi32>> {fir.bindc_name = "m"}
 // CHECK:           %[[ARG1:.*]]: !fir.ref<!fir.array<2x1xi32>> {fir.bindc_name = "res"}
+// CHECK-DAG:     %[[TRUE:.*]] = arith.constant true
 // CHECK-DAG:     %[[M_VAR:.*]]:2 = hlfir.declare %[[ARG0]]
 // CHECK-DAG:     %[[RES_VAR:.*]]:2 = hlfir.declare %[[ARG1]]
 
@@ -40,7 +41,6 @@ func.func @_QPtranspose1(%arg0: !fir.ref<!fir.array<1x2xi32>> {fir.bindc_name =
 // CHECK-NEXT:    %[[SHIFT:.*]] = fir.shape_shift %[[BOX_DIMS]]#0, %[[BOX_DIMS]]#1
 // TODO: fix alias analysis in hlfir.assign bufferization
 // CHECK-NEXT:    %[[TMP:.*]]:2 = hlfir.declare %[[ADDR]](%[[SHIFT]]) {uniq_name = ".tmp.intrinsic_result"}
-// CHECK:         %[[TRUE:.*]] = arith.constant true
 // CHECK:         %[[ASEXPR:.*]] = hlfir.as_expr %[[TMP]]#0 move %[[TRUE]] : (!fir.box<!fir.array<?x?xi32>>, i1) -> !hlfir.expr<?x?xi32>
 // CHECK:         hlfir.assign %[[ASEXPR]] to %[[RES_VAR]]#0
 // CHECK:         hlfir.destroy %[[ASEXPR]]

diff --git a/flang/test/Lower/convert.f90 b/flang/test/Lower/convert.f90
@@ -34,8 +34,8 @@ program test
 ! ALL: fir.has_value %[[VAL_0]] : !fir.char<1,[[OPT_STR_LEN]]>
 
 ! ALL: fir.global linkonce @_QQEnvironmentDefaults.list constant : tuple<i[[int_size:.*]], !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<i8>>>>> {
-! ALL: %[[VAL_0:.*]] = fir.undefined tuple<i[[int_size]], !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<i8>>>>>
 ! ALL: %[[VAL_1:.*]] = arith.constant 1 : i[[int_size]]
+! ALL: %[[VAL_0:.*]] = fir.undefined tuple<i[[int_size]], !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<i8>>>>>
 ! ALL: %[[VAL_2:.*]] = fir.insert_value %[[VAL_0]], %[[VAL_1]], [0 : index] : (tuple<i[[int_size]], !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<i8>>>>>, i[[int_size]]) -> tuple<i[[int_size]], !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<i8>>>>>
 ! ALL: %[[VAL_3:.*]] = fir.address_of(@_QQEnvironmentDefaults.items) : !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<i8>>>>
 ! ALL: %[[VAL_4:.*]] = fir.insert_value %[[VAL_2]], %[[VAL_3]], [1 : index] : (tuple<i[[int_size]], !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<i8>>>>>, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<i8>>>>) -> tuple<i[[int_size]], !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<i8>>>>>

diff --git a/libc/benchmarks/automemcpy/lib/CMakeLists.txt b/libc/benchmarks/automemcpy/lib/CMakeLists.txt
@@ -19,7 +19,7 @@ add_custom_command(
 add_library(automemcpy_implementations "${Implementations}")
 target_link_libraries(automemcpy_implementations PUBLIC LLVMSupport libc-memory-benchmark)
 target_include_directories(automemcpy_implementations PRIVATE 
-                           ${LIBC_SOURCE_DIR} ${LIBC_SOURCE_DIR}/include ${LIBC_AUTOMEMCPY_INCLUDE_DIR})
+                           ${LIBC_SOURCE_DIR} ${LIBC_AUTOMEMCPY_INCLUDE_DIR})
 target_compile_options(automemcpy_implementations PRIVATE ${LIBC_COMPILE_OPTIONS_NATIVE} "SHELL:-mllvm -combiner-global-alias-analysis" -fno-builtin)
 llvm_update_compile_flags(automemcpy_implementations)
 

diff --git a/libc/cmake/modules/CheckCompilerFeatures.cmake b/libc/cmake/modules/CheckCompilerFeatures.cmake
@@ -55,7 +55,7 @@ foreach(feature IN LISTS ALL_COMPILER_FEATURES)
   if(has_feature)
     list(APPEND AVAILABLE_COMPILER_FEATURES ${feature})
     if(${feature} STREQUAL "float128")
-      set(LIBC_COMPILER_HAS_FLOAT128 TRUE)
+      set(LIBC_TYPES_HAS_FLOAT128 TRUE)
     elseif(${feature} STREQUAL "fixed_point")
       set(LIBC_COMPILER_HAS_FIXED_POINT TRUE)
     endif()

diff --git a/libc/cmake/modules/LLVMLibCArchitectures.cmake b/libc/cmake/modules/LLVMLibCArchitectures.cmake
@@ -167,13 +167,14 @@ if(LIBC_TARGET_OS STREQUAL "baremetal")
   set(LIBC_TARGET_OS_IS_BAREMETAL TRUE)
 elseif(LIBC_TARGET_OS STREQUAL "linux")
   set(LIBC_TARGET_OS_IS_LINUX TRUE)
-elseif(LIBC_TARGET_OS STREQUAL "poky" OR LIBC_TARGET_OS STREQUAL "suse")
-  # poky are ustom Linux-base systems created by yocto. Since these are Linux
+elseif(LIBC_TARGET_OS STREQUAL "poky" OR LIBC_TARGET_OS STREQUAL "suse" OR
+       LIBC_TARGET_OS STREQUAL "redhat")
+  # poky are custom Linux-base systems created by yocto. Since these are Linux
   # images, we change the LIBC_TARGET_OS to linux. This define is used to
   # include the right directories during compilation.
   #
-  # openSUSE uses different triple format which causes LIBC_TARGET_OS to be
-  # computed as "suse" instead of "linux".
+  # openSUSE and redhat use different triple format which causes LIBC_TARGET_OS
+  # to be computed as "suse" or "redhat" instead of "linux".
   set(LIBC_TARGET_OS_IS_LINUX TRUE)
   set(LIBC_TARGET_OS "linux")
 elseif(LIBC_TARGET_OS STREQUAL "darwin")

diff --git a/libc/cmake/modules/LLVMLibCObjectRules.cmake b/libc/cmake/modules/LLVMLibCObjectRules.cmake
@@ -59,7 +59,6 @@ function(create_object_library fq_target_name)
   )
   target_include_directories(${fq_target_name} SYSTEM PRIVATE ${LIBC_INCLUDE_DIR})
   target_include_directories(${fq_target_name} PRIVATE ${LIBC_SOURCE_DIR})
-  target_include_directories(${fq_target_name} PRIVATE ${LIBC_SOURCE_DIR}/include)
   target_compile_options(${fq_target_name} PRIVATE ${compile_options})
 
   # The NVPTX target is installed as LLVM-IR but the internal testing toolchain
@@ -74,7 +73,6 @@ function(create_object_library fq_target_name)
     )
     target_include_directories(${internal_target_name} SYSTEM PRIVATE ${LIBC_INCLUDE_DIR})
     target_include_directories(${internal_target_name} PRIVATE ${LIBC_SOURCE_DIR})
-    target_include_directories(${internal_target_name} PRIVATE ${LIBC_SOURCE_DIR}/include)
     target_compile_options(${internal_target_name} PRIVATE ${compile_options}
                            -fno-lto -march=${LIBC_GPU_TARGET_ARCHITECTURE})
   endif()
@@ -281,7 +279,6 @@ function(create_entrypoint_object fq_target_name)
   target_compile_options(${internal_target_name} BEFORE PRIVATE ${common_compile_options})
   target_include_directories(${internal_target_name} SYSTEM PRIVATE ${LIBC_INCLUDE_DIR})
   target_include_directories(${internal_target_name} PRIVATE ${LIBC_SOURCE_DIR})
-  target_include_directories(${internal_target_name} PRIVATE ${LIBC_SOURCE_DIR}/include)
   add_dependencies(${internal_target_name} ${full_deps_list})
   target_link_libraries(${internal_target_name} ${full_deps_list})
 
@@ -303,7 +300,6 @@ function(create_entrypoint_object fq_target_name)
   target_compile_options(${fq_target_name} BEFORE PRIVATE ${common_compile_options} -DLIBC_COPT_PUBLIC_PACKAGING)
   target_include_directories(${fq_target_name} SYSTEM PRIVATE ${LIBC_INCLUDE_DIR})
   target_include_directories(${fq_target_name} PRIVATE ${LIBC_SOURCE_DIR})
-  target_include_directories(${fq_target_name} PRIVATE ${LIBC_SOURCE_DIR}/include)
   add_dependencies(${fq_target_name} ${full_deps_list})
   target_link_libraries(${fq_target_name} ${full_deps_list})
 

diff --git a/libc/cmake/modules/LLVMLibCTestRules.cmake b/libc/cmake/modules/LLVMLibCTestRules.cmake
@@ -184,7 +184,6 @@ function(create_libc_unittest fq_target_name)
   )
   target_include_directories(${fq_build_target_name} SYSTEM PRIVATE ${LIBC_INCLUDE_DIR})
   target_include_directories(${fq_build_target_name} PRIVATE ${LIBC_SOURCE_DIR})
-  target_include_directories(${fq_build_target_name} PRIVATE ${LIBC_SOURCE_DIR}/include)
   target_compile_options(${fq_build_target_name} PRIVATE ${compile_options})
 
   if(NOT LIBC_UNITTEST_CXX_STANDARD)
@@ -318,7 +317,6 @@ function(add_libc_fuzzer target_name)
   )
   target_include_directories(${fq_target_name} SYSTEM PRIVATE ${LIBC_INCLUDE_DIR})
   target_include_directories(${fq_target_name} PRIVATE ${LIBC_SOURCE_DIR})
-  target_include_directories(${fq_target_name} PRIVATE ${LIBC_SOURCE_DIR}/include)
 
   target_link_libraries(${fq_target_name} PRIVATE
     ${link_object_files}
@@ -459,7 +457,6 @@ function(add_integration_test test_name)
       PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
   target_include_directories(${fq_build_target_name} SYSTEM PRIVATE ${LIBC_INCLUDE_DIR})
   target_include_directories(${fq_build_target_name} PRIVATE ${LIBC_SOURCE_DIR})
-  target_include_directories(${fq_build_target_name} PRIVATE ${LIBC_SOURCE_DIR}/include)
 
   _get_hermetic_test_compile_options(compile_options "${INTEGRATION_TEST_COMPILE_OPTIONS}")
   target_compile_options(${fq_build_target_name} PRIVATE ${compile_options})
@@ -635,7 +632,6 @@ function(add_libc_hermetic_test test_name)
   _get_hermetic_test_compile_options(compile_options "${HERMETIC_TEST_COMPILE_OPTIONS}")
   target_include_directories(${fq_build_target_name} SYSTEM PRIVATE ${LIBC_INCLUDE_DIR})
   target_include_directories(${fq_build_target_name} PRIVATE ${LIBC_SOURCE_DIR})
-  target_include_directories(${fq_build_target_name} PRIVATE ${LIBC_SOURCE_DIR}/include)
   _get_hermetic_test_compile_options(compile_options "${HERMETIC_TEST_COMPILE_OPTIONS}")
   target_compile_options(${fq_build_target_name} PRIVATE ${compile_options})
 

diff --git a/libc/cmake/modules/compiler_features/check_fixed_point.cpp b/libc/cmake/modules/compiler_features/check_fixed_point.cpp
@@ -1,4 +1,4 @@
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 #ifndef LIBC_COMPILER_HAS_FIXED_POINT
 #error unsupported

diff --git a/libc/cmake/modules/compiler_features/check_float128.cpp b/libc/cmake/modules/compiler_features/check_float128.cpp
@@ -1,5 +1,5 @@
 #include "src/__support/macros/properties/types.h"
 
-#ifndef LIBC_COMPILER_HAS_FLOAT128
+#ifndef LIBC_TYPES_HAS_FLOAT128
 #error unsupported
 #endif
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
@@ -414,7 +414,7 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.math.truncl
 )
 
-if(LIBC_COMPILER_HAS_FLOAT128)
+if(LIBC_TYPES_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C23 _Float128 entrypoints
     libc.src.math.ceilf128

diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
@@ -423,7 +423,7 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.math.truncl
 )
 
-if(LIBC_COMPILER_HAS_FLOAT128)
+if(LIBC_TYPES_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C23 _Float128 entrypoints
     libc.src.math.ceilf128

diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
@@ -442,7 +442,7 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.math.truncl
 )
 
-if(LIBC_COMPILER_HAS_FLOAT128)
+if(LIBC_TYPES_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C23 _Float128 entrypoints
     libc.src.math.ceilf128

diff --git a/libc/docs/dev/code_style.rst b/libc/docs/dev/code_style.rst
@@ -48,7 +48,7 @@ We define two kinds of macros:
      * ``cpu_features.h`` - Target cpu feature availability.
        e.g., ``LIBC_TARGET_CPU_HAS_AVX2``.
      * ``types.h`` - Type properties and availability.
-       e.g., ``LIBC_COMPILER_HAS_FLOAT128``.
+       e.g., ``LIBC_TYPES_HAS_FLOAT128``.
      * ``os.h`` - Target os properties.
        e.g., ``LIBC_TARGET_OS_IS_LINUX``.
 

diff --git a/libc/fuzzing/stdio/printf_fixed_conv_fuzz.cpp b/libc/fuzzing/stdio/printf_fixed_conv_fuzz.cpp
@@ -11,7 +11,7 @@
 //===----------------------------------------------------------------------===//
 #include "src/stdio/snprintf.h"
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 #include "src/__support/fixed_point/fx_bits.h"
 #include "src/__support/fixed_point/fx_rep.h"
 

diff --git a/libc/include/llvm-libc-macros/float-macros.h b/libc/include/llvm-libc-macros/float-macros.h
@@ -13,6 +13,7 @@
 #ifdef __clang__
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wgnu-include-next"
+#pragma clang diagnostic ignored "-Winclude-next-absolute-path"
 #else // gcc
 #pragma GCC system_header
 #endif //__clang__

diff --git a/libc/include/llvm-libc-types/float128.h b/libc/include/llvm-libc-types/float128.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_TYPES_FLOAT128_H
 #define LLVM_LIBC_TYPES_FLOAT128_H
 
-#include "llvm-libc-macros/float-macros.h" // LDBL_MANT_DIG
+#include "../llvm-libc-macros/float-macros.h" // LDBL_MANT_DIG
 
 // Currently, C23 `_Float128` type is only defined as a built-in type in GCC 7
 // or later, and only for C.  For C++, or for clang, `__float128` is defined

diff --git a/libc/spec/stdc.td b/libc/spec/stdc.td
@@ -364,37 +364,37 @@ def StdC : StandardSpec<"stdc"> {
           FunctionSpec<"copysign", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<DoubleType>]>,
           FunctionSpec<"copysignf", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<FloatType>]>,
           FunctionSpec<"copysignl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>, ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"copysignf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"copysignf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"ceil", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"ceilf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"ceill", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"ceilf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"ceilf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"fabs", RetValSpec<DoubleType>, [ArgSpec<DoubleType>], [ConstAttr]>,
           FunctionSpec<"fabsf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"fabsl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"fabsf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"fabsf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"fdim", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<DoubleType>]>,
           FunctionSpec<"fdimf", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<FloatType>]>,
           FunctionSpec<"fdiml", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>, ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"fdimf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"fdimf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"floor", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"floorf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"floorl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"floorf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"floorf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"fmin", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<DoubleType>]>,
           FunctionSpec<"fminf", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<FloatType>]>,
           FunctionSpec<"fminl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>, ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"fminf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"fminf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"fmax", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<DoubleType>]>,
           FunctionSpec<"fmaxf", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<FloatType>]>,
           FunctionSpec<"fmaxl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>, ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"fmaxf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"fmaxf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"fma", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<DoubleType>, ArgSpec<DoubleType>]>,
           FunctionSpec<"fmaf", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<FloatType>, ArgSpec<FloatType>]>,
@@ -406,25 +406,25 @@ def StdC : StandardSpec<"stdc"> {
           FunctionSpec<"frexp", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<IntPtr>]>,
           FunctionSpec<"frexpf", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<IntPtr>]>,
           FunctionSpec<"frexpl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>, ArgSpec<IntPtr>]>,
-          GuardedFunctionSpec<"frexpf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<IntPtr>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"frexpf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<IntPtr>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"hypot", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<DoubleType>]>,
           FunctionSpec<"hypotf", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<FloatType>]>,
 
           FunctionSpec<"ilogb", RetValSpec<IntType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"ilogbf", RetValSpec<IntType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"ilogbl", RetValSpec<IntType>, [ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"ilogbf128", RetValSpec<IntType>, [ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"ilogbf128", RetValSpec<IntType>, [ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"llogb", RetValSpec<LongType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"llogbf", RetValSpec<LongType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"llogbl", RetValSpec<LongType>, [ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"llogbf128", RetValSpec<LongType>, [ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"llogbf128", RetValSpec<LongType>, [ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"ldexp", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<IntType>]>,
           FunctionSpec<"ldexpf", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<IntType>]>,
           FunctionSpec<"ldexpl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>, ArgSpec<IntType>]>,
-          GuardedFunctionSpec<"ldexpf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<IntType>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"ldexpf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>, ArgSpec<IntType>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"log10", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"log10f", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
@@ -441,7 +441,7 @@ def StdC : StandardSpec<"stdc"> {
           FunctionSpec<"logb", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"logbf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"logbl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"logbf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"logbf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"modf", RetValSpec<DoubleType>, [ArgSpec<DoubleType>, ArgSpec<DoublePtr>]>,
           FunctionSpec<"modff", RetValSpec<FloatType>, [ArgSpec<FloatType>, ArgSpec<FloatPtr>]>,
@@ -476,7 +476,7 @@ def StdC : StandardSpec<"stdc"> {
           FunctionSpec<"round", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"roundf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"roundl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"roundf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"roundf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"lround", RetValSpec<LongType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"lroundf", RetValSpec<LongType>, [ArgSpec<FloatType>]>,
@@ -501,12 +501,12 @@ def StdC : StandardSpec<"stdc"> {
           FunctionSpec<"sqrt", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"sqrtf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"sqrtl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"sqrtf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"sqrtf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"trunc", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"truncf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"truncl", RetValSpec<LongDoubleType>, [ArgSpec<LongDoubleType>]>,
-          GuardedFunctionSpec<"truncf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_COMPILER_HAS_FLOAT128">,
+          GuardedFunctionSpec<"truncf128", RetValSpec<Float128Type>, [ArgSpec<Float128Type>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"nearbyint", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"nearbyintf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,

diff --git a/libc/src/__support/CPP/limits.h b/libc/src/__support/CPP/limits.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC___SUPPORT_CPP_LIMITS_H
 #define LLVM_LIBC_SRC___SUPPORT_CPP_LIMITS_H
 
-#include "llvm-libc-macros/limits-macros.h" // CHAR_BIT
+#include "include/llvm-libc-macros/limits-macros.h" // CHAR_BIT
 #include "src/__support/CPP/type_traits/is_integral.h"
 #include "src/__support/CPP/type_traits/is_signed.h"
 #include "src/__support/macros/attributes.h" // LIBC_INLINE

diff --git a/libc/src/__support/CPP/type_traits/is_fixed_point.h b/libc/src/__support/CPP/type_traits/is_fixed_point.h
@@ -12,7 +12,7 @@
 #include "src/__support/CPP/type_traits/remove_cv.h"
 #include "src/__support/macros/attributes.h"
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE::cpp {
 

diff --git a/libc/src/__support/CPP/type_traits/is_floating_point.h b/libc/src/__support/CPP/type_traits/is_floating_point.h
@@ -11,7 +11,7 @@
 #include "src/__support/CPP/type_traits/is_same.h"
 #include "src/__support/CPP/type_traits/remove_cv.h"
 #include "src/__support/macros/attributes.h"
-#include "src/__support/macros/properties/types.h"
+#include "src/__support/macros/properties/types.h" // LIBC_TYPES_HAS_FLOAT128
 
 namespace LIBC_NAMESPACE::cpp {
 
@@ -24,13 +24,13 @@ template <typename T> struct is_floating_point {
   }
 
 public:
-#if defined(LIBC_COMPILER_HAS_FLOAT128)
+#if defined(LIBC_TYPES_HAS_FLOAT128)
   LIBC_INLINE_VAR static constexpr bool value =
       __is_unqualified_any_of<T, float, double, long double, float128>();
 #else
   LIBC_INLINE_VAR static constexpr bool value =
       __is_unqualified_any_of<T, float, double, long double>();
-#endif // LIBC_COMPILER_HAS_FLOAT128
+#endif // LIBC_TYPES_HAS_FLOAT128
 };
 template <typename T>
 LIBC_INLINE_VAR constexpr bool is_floating_point_v =

diff --git a/libc/src/__support/FPUtil/FPBits.h b/libc/src/__support/FPUtil/FPBits.h
@@ -15,7 +15,7 @@
 #include "src/__support/common.h"
 #include "src/__support/libc_assert.h"       // LIBC_ASSERT
 #include "src/__support/macros/attributes.h" // LIBC_INLINE, LIBC_INLINE_VAR
-#include "src/__support/macros/properties/types.h" // LIBC_COMPILER_HAS_FLOAT128
+#include "src/__support/macros/properties/types.h" // LIBC_TYPES_HAS_FLOAT128
 #include "src/__support/math_extras.h"             // mask_trailing_ones
 
 #include <stdint.h>
@@ -804,16 +804,12 @@ template <typename T> LIBC_INLINE static constexpr FPType get_fp_type() {
     else if constexpr (__LDBL_MANT_DIG__ == 113)
       return FPType::IEEE754_Binary128;
   }
-#if defined(LIBC_COMPILER_HAS_C23_FLOAT16)
-  else if constexpr (cpp::is_same_v<UnqualT, _Float16>)
+#if defined(LIBC_TYPES_HAS_FLOAT16)
+  else if constexpr (cpp::is_same_v<UnqualT, float16>)
     return FPType::IEEE754_Binary16;
 #endif
-#if defined(LIBC_COMPILER_HAS_C23_FLOAT128)
-  else if constexpr (cpp::is_same_v<UnqualT, _Float128>)
-    return FPType::IEEE754_Binary128;
-#endif
-#if defined(LIBC_COMPILER_HAS_FLOAT128_EXTENSION)
-  else if constexpr (cpp::is_same_v<UnqualT, __float128>)
+#if defined(LIBC_TYPES_HAS_FLOAT128)
+  else if constexpr (cpp::is_same_v<UnqualT, float128>)
     return FPType::IEEE754_Binary128;
 #endif
   else

diff --git a/libc/src/__support/HashTable/table.h b/libc/src/__support/HashTable/table.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC___SUPPORT_HASHTABLE_TABLE_H
 #define LLVM_LIBC_SRC___SUPPORT_HASHTABLE_TABLE_H
 
-#include "llvm-libc-types/ENTRY.h"
+#include "include/llvm-libc-types/ENTRY.h"
 #include "src/__support/CPP/bit.h" // bit_ceil
 #include "src/__support/CPP/new.h"
 #include "src/__support/HashTable/bitmask.h"

diff --git a/libc/src/__support/RPC/rpc_client.h b/libc/src/__support/RPC/rpc_client.h
@@ -11,7 +11,7 @@
 
 #include "rpc.h"
 
-#include "llvm-libc-types/rpc_opcodes_t.h"
+#include "include/llvm-libc-types/rpc_opcodes_t.h"
 
 namespace LIBC_NAMESPACE {
 namespace rpc {

diff --git a/libc/src/__support/fixed_point/fx_bits.h b/libc/src/__support/fixed_point/fx_bits.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC___SUPPORT_FIXED_POINT_FX_BITS_H
 #define LLVM_LIBC_SRC___SUPPORT_FIXED_POINT_FX_BITS_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 #include "src/__support/CPP/bit.h"
 #include "src/__support/CPP/type_traits.h"
 #include "src/__support/macros/attributes.h"   // LIBC_INLINE

diff --git a/libc/src/__support/fixed_point/fx_rep.h b/libc/src/__support/fixed_point/fx_rep.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC___SUPPORT_FIXED_POINT_FX_REP_H
 #define LLVM_LIBC_SRC___SUPPORT_FIXED_POINT_FX_REP_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 #include "src/__support/CPP/type_traits.h"
 #include "src/__support/macros/attributes.h" // LIBC_INLINE, LIBC_INLINE_VAR
 

diff --git a/libc/src/__support/fixed_point/sqrt.h b/libc/src/__support/fixed_point/sqrt.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC___SUPPORT_FIXEDPOINT_SQRT_H
 #define LLVM_LIBC_SRC___SUPPORT_FIXEDPOINT_SQRT_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 #include "src/__support/CPP/bit.h"
 #include "src/__support/CPP/type_traits.h"
 #include "src/__support/macros/attributes.h"   // LIBC_INLINE

diff --git a/libc/src/__support/macros/properties/types.h b/libc/src/__support/macros/properties/types.h
@@ -10,8 +10,8 @@
 #ifndef LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_TYPES_H
 #define LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_TYPES_H
 
-#include "llvm-libc-macros/float-macros.h" // LDBL_MANT_DIG
-#include "llvm-libc-types/float128.h"      // float128
+#include "include/llvm-libc-macros/float-macros.h" // LDBL_MANT_DIG
+#include "include/llvm-libc-types/float128.h"      // float128
 #include "src/__support/macros/properties/architectures.h"
 #include "src/__support/macros/properties/compiler.h"
 #include "src/__support/macros/properties/cpu_features.h"
@@ -27,36 +27,34 @@
 #endif
 
 // float16 support.
+// TODO: move this logic to "llvm-libc-types/float16.h"
 #if defined(LIBC_TARGET_ARCH_IS_X86_64) && defined(LIBC_TARGET_CPU_HAS_SSE2)
 #if (defined(LIBC_COMPILER_CLANG_VER) && (LIBC_COMPILER_CLANG_VER >= 1500)) || \
     (defined(LIBC_COMPILER_GCC_VER) && (LIBC_COMPILER_GCC_VER >= 1201))
-#define LIBC_COMPILER_HAS_C23_FLOAT16
+#define LIBC_TYPES_HAS_FLOAT16
+using float16 = _Float16;
 #endif
 #endif
 #if defined(LIBC_TARGET_ARCH_IS_AARCH64)
 #if (defined(LIBC_COMPILER_CLANG_VER) && (LIBC_COMPILER_CLANG_VER >= 900)) ||  \
     (defined(LIBC_COMPILER_GCC_VER) && (LIBC_COMPILER_GCC_VER >= 1301))
-#define LIBC_COMPILER_HAS_C23_FLOAT16
+#define LIBC_TYPES_HAS_FLOAT16
+using float16 = _Float16;
 #endif
 #endif
 #if defined(LIBC_TARGET_ARCH_IS_ANY_RISCV)
 #if (defined(LIBC_COMPILER_CLANG_VER) && (LIBC_COMPILER_CLANG_VER >= 1300)) || \
     (defined(LIBC_COMPILER_GCC_VER) && (LIBC_COMPILER_GCC_VER >= 1301))
-#define LIBC_COMPILER_HAS_C23_FLOAT16
-#endif
-#endif
-
-#if defined(LIBC_COMPILER_HAS_C23_FLOAT16)
+#define LIBC_TYPES_HAS_FLOAT16
 using float16 = _Float16;
-#define LIBC_HAS_FLOAT16
+#endif
 #endif
 
 // float128 support.
 #if defined(LIBC_COMPILER_HAS_C23_FLOAT128) ||                                 \
     defined(LIBC_COMPILER_HAS_FLOAT128_EXTENSION) ||                           \
     defined(LIBC_LONG_DOUBLE_IS_FLOAT128)
-// TODO: Replace with LIBC_HAS_FLOAT128
-#define LIBC_COMPILER_HAS_FLOAT128
+#define LIBC_TYPES_HAS_FLOAT128
 #endif
 
 #endif // LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_TYPES_H
diff --git a/libc/src/stdfix/abshk.h b/libc/src/stdfix/abshk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ABSHK_H
 #define LLVM_LIBC_SRC_STDFIX_ABSHK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/abshr.h b/libc/src/stdfix/abshr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ABSHR_H
 #define LLVM_LIBC_SRC_STDFIX_ABSHR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/absk.h b/libc/src/stdfix/absk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ABSK_H
 #define LLVM_LIBC_SRC_STDFIX_ABSK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/abslk.h b/libc/src/stdfix/abslk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ABSLK_H
 #define LLVM_LIBC_SRC_STDFIX_ABSLK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/abslr.h b/libc/src/stdfix/abslr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ABSLR_H
 #define LLVM_LIBC_SRC_STDFIX_ABSLR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/absr.h b/libc/src/stdfix/absr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ABSR_H
 #define LLVM_LIBC_SRC_STDFIX_ABSR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/roundhk.h b/libc/src/stdfix/roundhk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDHK_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDHK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/roundhr.h b/libc/src/stdfix/roundhr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDHR_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDHR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/roundk.h b/libc/src/stdfix/roundk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDK_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/roundlk.h b/libc/src/stdfix/roundlk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDLK_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDLK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/roundlr.h b/libc/src/stdfix/roundlr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDLR_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDLR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/roundr.h b/libc/src/stdfix/roundr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDR_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/rounduhk.h b/libc/src/stdfix/rounduhk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDUHK_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDUHK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/rounduhr.h b/libc/src/stdfix/rounduhr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDUHR_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDUHR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/rounduk.h b/libc/src/stdfix/rounduk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDUK_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDUK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/roundulk.h b/libc/src/stdfix/roundulk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDULK_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDULK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/roundulr.h b/libc/src/stdfix/roundulr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDULR_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDULR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/roundur.h b/libc/src/stdfix/roundur.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_ROUNDUR_H
 #define LLVM_LIBC_SRC_STDFIX_ROUNDUR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/sqrtuhk.h b/libc/src/stdfix/sqrtuhk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_SQRTUHK_H
 #define LLVM_LIBC_SRC_STDFIX_SQRTUHK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/sqrtuhr.h b/libc/src/stdfix/sqrtuhr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_SQRTUHR_H
 #define LLVM_LIBC_SRC_STDFIX_SQRTUHR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/sqrtuk.h b/libc/src/stdfix/sqrtuk.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_SQRTUK_H
 #define LLVM_LIBC_SRC_STDFIX_SQRTUK_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/sqrtulr.h b/libc/src/stdfix/sqrtulr.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_SQRTULR_H
 #define LLVM_LIBC_SRC_STDFIX_SQRTULR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdfix/sqrtur.h b/libc/src/stdfix/sqrtur.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDFIX_SQRTUR_H
 #define LLVM_LIBC_SRC_STDFIX_SQRTUR_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 namespace LIBC_NAMESPACE {
 

diff --git a/libc/src/stdio/printf_core/fixed_converter.h b/libc/src/stdio/printf_core/fixed_converter.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDIO_PRINTF_CORE_FIXED_CONVERTER_H
 #define LLVM_LIBC_SRC_STDIO_PRINTF_CORE_FIXED_CONVERTER_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 #include "src/__support/CPP/string_view.h"
 #include "src/__support/fixed_point/fx_bits.h"
 #include "src/__support/fixed_point/fx_rep.h"

diff --git a/libc/src/stdio/printf_core/parser.h b/libc/src/stdio/printf_core/parser.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC_STDIO_PRINTF_CORE_PARSER_H
 #define LLVM_LIBC_SRC_STDIO_PRINTF_CORE_PARSER_H
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 #include "src/__support/CPP/optional.h"
 #include "src/__support/CPP/type_traits.h"
 #include "src/__support/str_to_integer.h"

diff --git a/libc/src/sys/epoll/epoll_pwait.h b/libc/src/sys/epoll/epoll_pwait.h
@@ -10,8 +10,8 @@
 #define LLVM_LIBC_SRC_SYS_EPOLL_EPOLL_PWAIT_H
 
 // TODO: Use this include once the include headers are also using quotes.
-// #include "llvm-libc-types/sigset_t.h"
-// #include "llvm-libc-types/struct_epoll_event.h"
+// #include "include/llvm-libc-types/sigset_t.h"
+// #include "include/llvm-libc-types/struct_epoll_event.h"
 
 #include <sys/epoll.h>
 

diff --git a/libc/src/sys/epoll/epoll_pwait2.h b/libc/src/sys/epoll/epoll_pwait2.h
@@ -10,9 +10,9 @@
 #define LLVM_LIBC_SRC_SYS_EPOLL_EPOLL_PWAIT2_H
 
 // TODO: Use this include once the include headers are also using quotes.
-// #include "llvm-libc-types/sigset_t.h"
-// #include "llvm-libc-types/struct_epoll_event.h"
-// #include "llvm-libc-types/struct_timespec.h"
+// #include "include/llvm-libc-types/sigset_t.h"
+// #include "include/llvm-libc-types/struct_epoll_event.h"
+// #include "include/llvm-libc-types/struct_timespec.h"
 
 #include <sys/epoll.h>
 

diff --git a/libc/src/sys/epoll/epoll_wait.h b/libc/src/sys/epoll/epoll_wait.h
@@ -10,7 +10,7 @@
 #define LLVM_LIBC_SRC_SYS_EPOLL_EPOLL_WAIT_H
 
 // TODO: Use this include once the include headers are also using quotes.
-// #include "llvm-libc-types/struct_epoll_event.h"
+// #include "include/llvm-libc-types/struct_epoll_event.h"
 
 #include <sys/epoll.h>
 

diff --git a/libc/src/sys/epoll/linux/epoll_pwait.cpp b/libc/src/sys/epoll/linux/epoll_pwait.cpp
@@ -15,8 +15,8 @@
 #include <sys/syscall.h> // For syscall numbers.
 
 // TODO: Use this include once the include headers are also using quotes.
-// #include "llvm-libc-types/sigset_t.h"
-// #include "llvm-libc-types/struct_epoll_event.h"
+// #include "include/llvm-libc-types/sigset_t.h"
+// #include "include/llvm-libc-types/struct_epoll_event.h"
 
 #include <sys/epoll.h>
 

diff --git a/libc/src/sys/epoll/linux/epoll_pwait2.cpp b/libc/src/sys/epoll/linux/epoll_pwait2.cpp
@@ -15,9 +15,9 @@
 #include <sys/syscall.h> // For syscall numbers.
 
 // TODO: Use this include once the include headers are also using quotes.
-// #include "llvm-libc-types/sigset_t.h"
-// #include "llvm-libc-types/struct_epoll_event.h"
-// #include "llvm-libc-types/struct_timespec.h"
+// #include "include/llvm-libc-types/sigset_t.h"
+// #include "include/llvm-libc-types/struct_epoll_event.h"
+// #include "include/llvm-libc-types/struct_timespec.h"
 
 #include <sys/epoll.h>
 

diff --git a/libc/src/sys/epoll/linux/epoll_wait.cpp b/libc/src/sys/epoll/linux/epoll_wait.cpp
@@ -14,8 +14,8 @@
 #include <sys/syscall.h> // For syscall numbers.
 
 // TODO: Use this include once the include headers are also using quotes.
-// #include "llvm-libc-types/sigset_t.h"
-// #include "llvm-libc-types/struct_epoll_event.h"
+// #include "include/llvm-libc-types/sigset_t.h"
+// #include "include/llvm-libc-types/struct_epoll_event.h"
 
 #include <sys/epoll.h>
 

diff --git a/libc/test/UnitTest/CMakeLists.txt b/libc/test/UnitTest/CMakeLists.txt
@@ -26,8 +26,7 @@ function(add_unittest_framework_library name)
       ${TEST_LIB_SRCS}
       ${TEST_LIB_HDRS}
     )
-    target_include_directories(${lib} PUBLIC 
-                               ${LIBC_SOURCE_DIR} ${LIBC_SOURCE_DIR}/include)
+    target_include_directories(${lib} PUBLIC ${LIBC_SOURCE_DIR})
     list(APPEND compile_options -fno-exceptions -fno-rtti)
     if(TARGET libc.src.time.clock)
       target_compile_definitions(${lib} PRIVATE TARGET_SUPPORTS_CLOCK)

diff --git a/libc/test/UnitTest/LibcTest.cpp b/libc/test/UnitTest/LibcTest.cpp
@@ -8,7 +8,7 @@
 
 #include "LibcTest.h"
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 #include "src/__support/CPP/string.h"
 #include "src/__support/CPP/string_view.h"
 #include "src/__support/UInt128.h"

diff --git a/libc/test/include/stdbit_test.cpp b/libc/test/include/stdbit_test.cpp
@@ -88,7 +88,7 @@ bool stdc_has_single_bit_ul(unsigned long) noexcept { return false; }
 bool stdc_has_single_bit_ull(unsigned long long) noexcept { return false; }
 }
 
-#include "llvm-libc-macros/stdbit-macros.h"
+#include "include/llvm-libc-macros/stdbit-macros.h"
 
 TEST(LlvmLibcStdbitTest, TypeGenericMacroLeadingZeros) {
   EXPECT_EQ(stdc_leading_zeros(static_cast<unsigned char>(0U)), 0xAAU);

diff --git a/libc/test/include/stdckdint_test.cpp b/libc/test/include/stdckdint_test.cpp
@@ -8,7 +8,7 @@
 
 #include "test/UnitTest/Test.h"
 
-#include "llvm-libc-macros/stdckdint-macros.h"
+#include "include/llvm-libc-macros/stdckdint-macros.h"
 
 TEST(LlvmLibcStdCkdIntTest, Add) {
   int result;

diff --git a/libc/test/include/sys/queue_test.cpp b/libc/test/include/sys/queue_test.cpp
@@ -10,7 +10,7 @@
 #include "src/__support/char_vector.h"
 #include "test/UnitTest/Test.h"
 
-#include "llvm-libc-macros/sys-queue-macros.h"
+#include "include/llvm-libc-macros/sys-queue-macros.h"
 
 using LIBC_NAMESPACE::CharVector;
 using LIBC_NAMESPACE::cpp::string;

diff --git a/libc/test/integration/startup/CMakeLists.txt b/libc/test/integration/startup/CMakeLists.txt
@@ -31,7 +31,6 @@ function(add_startup_test target_name)
     ${fq_target_name}
     PRIVATE
       ${LIBC_SOURCE_DIR}
-      ${LIBC_SOURCE_DIR}/include
       ${LIBC_BUILD_DIR}
       ${LIBC_BUILD_DIR}/include
   )

diff --git a/libc/test/integration/startup/gpu/rpc_interface_test.cpp b/libc/test/integration/startup/gpu/rpc_interface_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm-libc-types/test_rpc_opcodes_t.h"
+#include "include/llvm-libc-types/test_rpc_opcodes_t.h"
 #include "src/__support/GPU/utils.h"
 #include "src/__support/RPC/rpc_client.h"
 #include "test/IntegrationTest/test.h"

diff --git a/libc/test/integration/startup/gpu/rpc_stream_test.cpp b/libc/test/integration/startup/gpu/rpc_stream_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm-libc-types/test_rpc_opcodes_t.h"
+#include "include/llvm-libc-types/test_rpc_opcodes_t.h"
 #include "src/__support/GPU/utils.h"
 #include "src/__support/RPC/rpc_client.h"
 #include "src/__support/integer_to_string.h"

diff --git a/libc/test/integration/startup/gpu/rpc_test.cpp b/libc/test/integration/startup/gpu/rpc_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm-libc-types/test_rpc_opcodes_t.h"
+#include "include/llvm-libc-types/test_rpc_opcodes_t.h"
 #include "src/__support/GPU/utils.h"
 #include "src/__support/RPC/rpc_client.h"
 #include "test/IntegrationTest/test.h"

diff --git a/libc/test/src/__support/FPUtil/fpbits_test.cpp b/libc/test/src/__support/FPUtil/fpbits_test.cpp
@@ -575,7 +575,7 @@ TEST(LlvmLibcFPBitsTest, LongDoubleType) {
 }
 #endif
 
-#if defined(LIBC_COMPILER_HAS_FLOAT128)
+#if defined(LIBC_TYPES_HAS_FLOAT128)
 TEST(LlvmLibcFPBitsTest, Float128Type) {
   using Float128Bits = FPBits<float128>;
 
@@ -643,4 +643,4 @@ TEST(LlvmLibcFPBitsTest, Float128Type) {
   Float128Bits quiet_nan = Float128Bits::quiet_nan();
   EXPECT_EQ(quiet_nan.is_quiet_nan(), true);
 }
-#endif // LIBC_COMPILER_HAS_FLOAT128
+#endif // LIBC_TYPES_HAS_FLOAT128
diff --git a/libc/test/src/__support/fixed_point/fx_bits_test.cpp b/libc/test/src/__support/fixed_point/fx_bits_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
 
 #include "src/__support/fixed_point/fx_bits.h"
 #include "src/__support/integer_literals.h"

diff --git a/libc/test/src/__support/uint_test.cpp b/libc/test/src/__support/uint_test.cpp
@@ -54,7 +54,7 @@ TEST(LlvmLibcUIntClassTest, BitCastToFromNativeUint128) {
 }
 #endif
 
-#ifdef LIBC_COMPILER_HAS_FLOAT128
+#ifdef LIBC_TYPES_HAS_FLOAT128
 TEST(LlvmLibcUIntClassTest, BitCastToFromNativeFloat128) {
   static_assert(cpp::is_trivially_copyable<LL_UInt128>::value);
   static_assert(sizeof(LL_UInt128) == sizeof(float128));
@@ -65,7 +65,7 @@ TEST(LlvmLibcUIntClassTest, BitCastToFromNativeFloat128) {
     EXPECT_TRUE(value == forth);
   }
 }
-#endif
+#endif // LIBC_TYPES_HAS_FLOAT128
 
 TEST(LlvmLibcUIntClassTest, BasicInit) {
   LL_UInt128 half_val(12345);

diff --git a/libc/test/src/compiler/stack_chk_guard_test.cpp b/libc/test/src/compiler/stack_chk_guard_test.cpp
@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm-libc-macros/signal-macros.h"
+#include "include/llvm-libc-macros/signal-macros.h"
 #include "src/__support/macros/sanitizer.h"
 #include "src/compiler/__stack_chk_fail.h"
 #include "src/string/memset.h"

diff --git a/libc/test/src/math/differential_testing/CMakeLists.txt b/libc/test/src/math/differential_testing/CMakeLists.txt
@@ -47,7 +47,6 @@ function(add_diff_binary target_name)
     ${fq_target_name}
     PRIVATE
       ${LIBC_SOURCE_DIR}
-      ${LIBC_SOURCE_DIR}/include
   )
   if(DIFF_COMPILE_OPTIONS)
     target_compile_options(

diff --git a/libc/utils/LibcTableGenUtil/CMakeLists.txt b/libc/utils/LibcTableGenUtil/CMakeLists.txt
@@ -5,5 +5,5 @@ add_llvm_library(
   DISABLE_LLVM_LINK_LLVM_DYLIB
   LINK_COMPONENTS Support TableGen
 )
-target_include_directories(LibcTableGenUtil PUBLIC ${LIBC_SOURCE_DIR} ${LIBC_SOURCE_DIR}/include)
+target_include_directories(LibcTableGenUtil PUBLIC ${LIBC_SOURCE_DIR})
 target_include_directories(LibcTableGenUtil PRIVATE ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
diff --git a/libc/utils/gpu/loader/Loader.h b/libc/utils/gpu/loader/Loader.h
@@ -11,7 +11,7 @@
 
 #include "utils/gpu/server/llvmlibc_rpc_server.h"
 
-#include "llvm-libc-types/test_rpc_opcodes_t.h"
+#include "include/llvm-libc-types/test_rpc_opcodes_t.h"
 
 #include <cstddef>
 #include <cstdint>

diff --git a/libcxx/docs/FeatureTestMacroTable.rst b/libcxx/docs/FeatureTestMacroTable.rst
@@ -354,6 +354,8 @@ Status
     --------------------------------------------------- -----------------
     ``__cpp_lib_ranges_chunk_by``                       ``202202L``
     --------------------------------------------------- -----------------
+    ``__cpp_lib_ranges_contains``                       ``202207L``
+    --------------------------------------------------- -----------------
     ``__cpp_lib_ranges_iota``                           *unimplemented*
     --------------------------------------------------- -----------------
     ``__cpp_lib_ranges_join_with``                      *unimplemented*
@@ -362,7 +364,7 @@ Status
     --------------------------------------------------- -----------------
     ``__cpp_lib_ranges_slide``                          *unimplemented*
     --------------------------------------------------- -----------------
-    ``__cpp_lib_ranges_starts_ends_with``               *unimplemented*
+    ``__cpp_lib_ranges_starts_ends_with``               ``202106L``
     --------------------------------------------------- -----------------
     ``__cpp_lib_ranges_to_container``                   ``202202L``
     --------------------------------------------------- -----------------

diff --git a/libcxx/docs/ReleaseNotes/19.rst b/libcxx/docs/ReleaseNotes/19.rst
@@ -41,7 +41,8 @@ Implemented Papers
 - P2637R3 - Member ``visit``
 - P2652R2 - Disallow User Specialization of ``allocator_traits``
 - P2819R2 - Add ``tuple`` protocol to ``complex``
-
+- P2302R4 - ``std::ranges::contains``
+- P1659R3 - ``std::ranges::starts_with`` and ``std::ranges::ends_with``
 
 Improvements and New Features
 -----------------------------

diff --git a/libcxx/docs/Status/Cxx23Papers.csv b/libcxx/docs/Status/Cxx23Papers.csv
@@ -17,7 +17,7 @@
 "`P1328R1 <https://wg21.link/P1328R1>`__","LWG","Making std::type_info::operator== constexpr","June 2021","|Complete|","17.0"
 "`P1425R4 <https://wg21.link/P1425R4>`__","LWG","Iterators pair constructors for stack and queue","June 2021","|Complete|","14.0","|ranges|"
 "`P1518R2 <https://wg21.link/P1518R2>`__","LWG","Stop overconstraining allocators in container deduction guides","June 2021","|Complete|","13.0"
-"`P1659R3 <https://wg21.link/P1659R3>`__","LWG","starts_with and ends_with","June 2021","","","|ranges|"
+"`P1659R3 <https://wg21.link/P1659R3>`__","LWG","starts_with and ends_with","June 2021","|Complete|","19.0","|ranges|"
 "`P1951R1 <https://wg21.link/P1951R1>`__","LWG","Default Arguments for pair Forwarding Constructor","June 2021","|Complete|","14.0"
 "`P1989R2 <https://wg21.link/P1989R2>`__","LWG","Range constructor for std::string_view","June 2021","|Complete|","14.0","|ranges|"
 "`P2136R3 <https://wg21.link/P2136R3>`__","LWG","invoke_r","June 2021","|Complete|","17.0"
@@ -64,7 +64,7 @@
 "`P2278R4 <https://wg21.link/P2278R4>`__","LWG","``cbegin`` should always return a constant iterator","July 2022","","","|ranges|"
 "`P2286R8 <https://wg21.link/P2286R8>`__","LWG","Formatting Ranges","July 2022","|Complete|","16.0","|format| |ranges|"
 "`P2291R3 <https://wg21.link/P2291R3>`__","LWG","Add Constexpr Modifiers to Functions ``to_chars`` and ``from_chars`` for Integral Types in ``<charconv>`` Header","July 2022","|Complete|","16.0"
-"`P2302R4 <https://wg21.link/P2302R4>`__","LWG","``std::ranges::contains``","July 2022","","","|ranges|"
+"`P2302R4 <https://wg21.link/P2302R4>`__","LWG","``std::ranges::contains``","July 2022","|Complete|","19.0","|ranges|"
 "`P2322R6 <https://wg21.link/P2322R6>`__","LWG","``ranges::fold``","July 2022","","","|ranges|"
 "`P2374R4 <https://wg21.link/P2374R4>`__","LWG","``views::cartesian_product``","July 2022","","","|ranges|"
 "`P2404R3 <https://wg21.link/P2404R3>`__","LWG","Move-only types for ``equality_comparable_with``, ``totally_ordered_with``, and ``three_way_comparable_with``","July 2022","",""

diff --git a/libcxx/include/version b/libcxx/include/version
@@ -170,6 +170,7 @@ __cpp_lib_ranges_as_const                               202207L <ranges>
 __cpp_lib_ranges_as_rvalue                              202207L <ranges>
 __cpp_lib_ranges_chunk                                  202202L <ranges>
 __cpp_lib_ranges_chunk_by                               202202L <ranges>
+__cpp_lib_ranges_contains                               202207L <algorithm>
 __cpp_lib_ranges_iota                                   202202L <numeric>
 __cpp_lib_ranges_join_with                              202202L <ranges>
 __cpp_lib_ranges_repeat                                 202207L <ranges>
@@ -463,11 +464,12 @@ __cpp_lib_within_lifetime                               202306L <type_traits>
 # define __cpp_lib_ranges_as_rvalue                     202207L
 // # define __cpp_lib_ranges_chunk                         202202L
 # define __cpp_lib_ranges_chunk_by                      202202L
+# define __cpp_lib_ranges_contains                      202207L
 // # define __cpp_lib_ranges_iota                          202202L
 // # define __cpp_lib_ranges_join_with                     202202L
 # define __cpp_lib_ranges_repeat                        202207L
 // # define __cpp_lib_ranges_slide                         202202L
-// # define __cpp_lib_ranges_starts_ends_with              202106L
+# define __cpp_lib_ranges_starts_ends_with              202106L
 # define __cpp_lib_ranges_to_container                  202202L
 // # define __cpp_lib_ranges_zip                           202110L
 // # define __cpp_lib_reference_from_temporary             202202L

diff --git a/libcxx/src/new.cpp b/libcxx/src/new.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "include/overridable_function.h"
+#include <__assert>
 #include <__memory/aligned_alloc.h>
 #include <cstddef>
 #include <cstdlib>

diff --git a/...language.support/support.limits/support.limits.general/algorithm.version.compile.pass.cpp b/...language.support/support.limits/support.limits.general/algorithm.version.compile.pass.cpp
@@ -21,6 +21,7 @@
     __cpp_lib_freestanding_algorithm         202311L [C++26]
     __cpp_lib_parallel_algorithm             201603L [C++17]
     __cpp_lib_ranges                         202207L [C++20]
+    __cpp_lib_ranges_contains                202207L [C++23]
     __cpp_lib_ranges_starts_ends_with        202106L [C++23]
     __cpp_lib_robust_nonmodifying_seq_ops    201304L [C++14]
     __cpp_lib_sample                         201603L [C++17]
@@ -52,6 +53,10 @@
 #   error "__cpp_lib_ranges should not be defined before c++20"
 # endif
 
+# ifdef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should not be defined before c++23"
+# endif
+
 # ifdef __cpp_lib_ranges_starts_ends_with
 #   error "__cpp_lib_ranges_starts_ends_with should not be defined before c++23"
 # endif
@@ -90,6 +95,10 @@
 #   error "__cpp_lib_ranges should not be defined before c++20"
 # endif
 
+# ifdef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should not be defined before c++23"
+# endif
+
 # ifdef __cpp_lib_ranges_starts_ends_with
 #   error "__cpp_lib_ranges_starts_ends_with should not be defined before c++23"
 # endif
@@ -143,6 +152,10 @@
 #   error "__cpp_lib_ranges should not be defined before c++20"
 # endif
 
+# ifdef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should not be defined before c++23"
+# endif
+
 # ifdef __cpp_lib_ranges_starts_ends_with
 #   error "__cpp_lib_ranges_starts_ends_with should not be defined before c++23"
 # endif
@@ -205,6 +218,10 @@
 #   error "__cpp_lib_ranges should have the value 202207L in c++20"
 # endif
 
+# ifdef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should not be defined before c++23"
+# endif
+
 # ifdef __cpp_lib_ranges_starts_ends_with
 #   error "__cpp_lib_ranges_starts_ends_with should not be defined before c++23"
 # endif
@@ -270,17 +287,18 @@
 #   error "__cpp_lib_ranges should have the value 202207L in c++23"
 # endif
 
-# if !defined(_LIBCPP_VERSION)
-#   ifndef __cpp_lib_ranges_starts_ends_with
-#     error "__cpp_lib_ranges_starts_ends_with should be defined in c++23"
-#   endif
-#   if __cpp_lib_ranges_starts_ends_with != 202106L
-#     error "__cpp_lib_ranges_starts_ends_with should have the value 202106L in c++23"
-#   endif
-# else // _LIBCPP_VERSION
-#   ifdef __cpp_lib_ranges_starts_ends_with
-#     error "__cpp_lib_ranges_starts_ends_with should not be defined because it is unimplemented in libc++!"
-#   endif
+# ifndef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should be defined in c++23"
+# endif
+# if __cpp_lib_ranges_contains != 202207L
+#   error "__cpp_lib_ranges_contains should have the value 202207L in c++23"
+# endif
+
+# ifndef __cpp_lib_ranges_starts_ends_with
+#   error "__cpp_lib_ranges_starts_ends_with should be defined in c++23"
+# endif
+# if __cpp_lib_ranges_starts_ends_with != 202106L
+#   error "__cpp_lib_ranges_starts_ends_with should have the value 202106L in c++23"
 # endif
 
 # ifndef __cpp_lib_robust_nonmodifying_seq_ops
@@ -353,17 +371,18 @@
 #   error "__cpp_lib_ranges should have the value 202207L in c++26"
 # endif
 
-# if !defined(_LIBCPP_VERSION)
-#   ifndef __cpp_lib_ranges_starts_ends_with
-#     error "__cpp_lib_ranges_starts_ends_with should be defined in c++26"
-#   endif
-#   if __cpp_lib_ranges_starts_ends_with != 202106L
-#     error "__cpp_lib_ranges_starts_ends_with should have the value 202106L in c++26"
-#   endif
-# else // _LIBCPP_VERSION
-#   ifdef __cpp_lib_ranges_starts_ends_with
-#     error "__cpp_lib_ranges_starts_ends_with should not be defined because it is unimplemented in libc++!"
-#   endif
+# ifndef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should be defined in c++26"
+# endif
+# if __cpp_lib_ranges_contains != 202207L
+#   error "__cpp_lib_ranges_contains should have the value 202207L in c++26"
+# endif
+
+# ifndef __cpp_lib_ranges_starts_ends_with
+#   error "__cpp_lib_ranges_starts_ends_with should be defined in c++26"
+# endif
+# if __cpp_lib_ranges_starts_ends_with != 202106L
+#   error "__cpp_lib_ranges_starts_ends_with should have the value 202106L in c++26"
 # endif
 
 # ifndef __cpp_lib_robust_nonmodifying_seq_ops

diff --git a/...d/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp b/...d/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp
@@ -158,6 +158,7 @@
     __cpp_lib_ranges_as_rvalue                       202207L [C++23]
     __cpp_lib_ranges_chunk                           202202L [C++23]
     __cpp_lib_ranges_chunk_by                        202202L [C++23]
+    __cpp_lib_ranges_contains                        202207L [C++23]
     __cpp_lib_ranges_iota                            202202L [C++23]
     __cpp_lib_ranges_join_with                       202202L [C++23]
     __cpp_lib_ranges_repeat                          202207L [C++23]
@@ -772,6 +773,10 @@
 #   error "__cpp_lib_ranges_chunk_by should not be defined before c++23"
 # endif
 
+# ifdef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should not be defined before c++23"
+# endif
+
 # ifdef __cpp_lib_ranges_iota
 #   error "__cpp_lib_ranges_iota should not be defined before c++23"
 # endif
@@ -1604,6 +1609,10 @@
 #   error "__cpp_lib_ranges_chunk_by should not be defined before c++23"
 # endif
 
+# ifdef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should not be defined before c++23"
+# endif
+
 # ifdef __cpp_lib_ranges_iota
 #   error "__cpp_lib_ranges_iota should not be defined before c++23"
 # endif
@@ -2607,6 +2616,10 @@
 #   error "__cpp_lib_ranges_chunk_by should not be defined before c++23"
 # endif
 
+# ifdef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should not be defined before c++23"
+# endif
+
 # ifdef __cpp_lib_ranges_iota
 #   error "__cpp_lib_ranges_iota should not be defined before c++23"
 # endif
@@ -3889,6 +3902,10 @@
 #   error "__cpp_lib_ranges_chunk_by should not be defined before c++23"
 # endif
 
+# ifdef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should not be defined before c++23"
+# endif
+
 # ifdef __cpp_lib_ranges_iota
 #   error "__cpp_lib_ranges_iota should not be defined before c++23"
 # endif
@@ -5357,6 +5374,13 @@
 #   error "__cpp_lib_ranges_chunk_by should have the value 202202L in c++23"
 # endif
 
+# ifndef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should be defined in c++23"
+# endif
+# if __cpp_lib_ranges_contains != 202207L
+#   error "__cpp_lib_ranges_contains should have the value 202207L in c++23"
+# endif
+
 # if !defined(_LIBCPP_VERSION)
 #   ifndef __cpp_lib_ranges_iota
 #     error "__cpp_lib_ranges_iota should be defined in c++23"
@@ -5403,17 +5427,11 @@
 #   endif
 # endif
 
-# if !defined(_LIBCPP_VERSION)
-#   ifndef __cpp_lib_ranges_starts_ends_with
-#     error "__cpp_lib_ranges_starts_ends_with should be defined in c++23"
-#   endif
-#   if __cpp_lib_ranges_starts_ends_with != 202106L
-#     error "__cpp_lib_ranges_starts_ends_with should have the value 202106L in c++23"
-#   endif
-# else // _LIBCPP_VERSION
-#   ifdef __cpp_lib_ranges_starts_ends_with
-#     error "__cpp_lib_ranges_starts_ends_with should not be defined because it is unimplemented in libc++!"
-#   endif
+# ifndef __cpp_lib_ranges_starts_ends_with
+#   error "__cpp_lib_ranges_starts_ends_with should be defined in c++23"
+# endif
+# if __cpp_lib_ranges_starts_ends_with != 202106L
+#   error "__cpp_lib_ranges_starts_ends_with should have the value 202106L in c++23"
 # endif
 
 # ifndef __cpp_lib_ranges_to_container
@@ -7074,6 +7092,13 @@
 #   error "__cpp_lib_ranges_chunk_by should have the value 202202L in c++26"
 # endif
 
+# ifndef __cpp_lib_ranges_contains
+#   error "__cpp_lib_ranges_contains should be defined in c++26"
+# endif
+# if __cpp_lib_ranges_contains != 202207L
+#   error "__cpp_lib_ranges_contains should have the value 202207L in c++26"
+# endif
+
 # if !defined(_LIBCPP_VERSION)
 #   ifndef __cpp_lib_ranges_iota
 #     error "__cpp_lib_ranges_iota should be defined in c++26"
@@ -7120,17 +7145,11 @@
 #   endif
 # endif
 
-# if !defined(_LIBCPP_VERSION)
-#   ifndef __cpp_lib_ranges_starts_ends_with
-#     error "__cpp_lib_ranges_starts_ends_with should be defined in c++26"
-#   endif
-#   if __cpp_lib_ranges_starts_ends_with != 202106L
-#     error "__cpp_lib_ranges_starts_ends_with should have the value 202106L in c++26"
-#   endif
-# else // _LIBCPP_VERSION
-#   ifdef __cpp_lib_ranges_starts_ends_with
-#     error "__cpp_lib_ranges_starts_ends_with should not be defined because it is unimplemented in libc++!"
-#   endif
+# ifndef __cpp_lib_ranges_starts_ends_with
+#   error "__cpp_lib_ranges_starts_ends_with should be defined in c++26"
+# endif
+# if __cpp_lib_ranges_starts_ends_with != 202106L
+#   error "__cpp_lib_ranges_starts_ends_with should have the value 202106L in c++26"
 # endif
 
 # ifndef __cpp_lib_ranges_to_container

diff --git a/libcxx/utils/generate_feature_test_macro_components.py b/libcxx/utils/generate_feature_test_macro_components.py
@@ -914,6 +914,11 @@ def add_version_header(tc):
             "values": {"c++23": 202202},
             "headers": ["ranges"],
         },
+        {
+            "name": "__cpp_lib_ranges_contains",
+            "values": {"c++23": 202207},
+            "headers": ["algorithm"],
+        },
         {
             "name": "__cpp_lib_ranges_iota",
             "values": {"c++23": 202202},
@@ -941,7 +946,6 @@ def add_version_header(tc):
             "name": "__cpp_lib_ranges_starts_ends_with",
             "values": {"c++23": 202106},
             "headers": ["algorithm"],
-            "unimplemented": True,
         },
         {
             "name": "__cpp_lib_ranges_to_container",

diff --git a/lldb/include/lldb/Core/Progress.h b/lldb/include/lldb/Core/Progress.h
@@ -64,6 +64,9 @@ class Progress {
   ///
   /// @param [in] title The title of this progress activity.
   ///
+  /// @param [in] details Specific information about what the progress report
+  /// is currently working on.
+  ///
   /// @param [in] total The total units of work to be done if specified, if
   /// set to std::nullopt then an indeterminate progress indicator should be
   /// displayed.

diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/lldbdap_testcase.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/lldbdap_testcase.py
@@ -6,6 +6,9 @@
 
 
 class DAPTestCaseBase(TestBase):
+    # set timeout based on whether ASAN was enabled or not. Increase
+    # timeout by a factor of 10 if ASAN is enabled.
+    timeoutval = 10 * (10 if ('ASAN_OPTIONS' in os.environ) else 1)
     NO_DEBUG_INFO_TESTCASE = True
 
     def create_debug_adaptor(self, lldbDAPEnv=None):