44 changes: 20 additions & 24 deletions llvm/test/CodeGen/X86/vector-bo-select.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -27,9 +27,8 @@ define <4 x float> @fadd_v4f32(<4 x i1> %b, <4 x float> noundef %x, <4 x float>
; AVX512VL: # %bb.0:
; AVX512VL-NEXT: vpslld $31, %xmm0, %xmm0
; AVX512VL-NEXT: vptestmd %xmm0, %xmm0, %k1
; AVX512VL-NEXT: vbroadcastss {{.*#+}} xmm0 = [-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0]
; AVX512VL-NEXT: vmovaps %xmm2, %xmm0 {%k1}
; AVX512VL-NEXT: vaddps %xmm0, %xmm1, %xmm0
; AVX512VL-NEXT: vaddps %xmm2, %xmm1, %xmm1 {%k1}
; AVX512VL-NEXT: vmovaps %xmm1, %xmm0
; AVX512VL-NEXT: retq
%s = select <4 x i1> %b, <4 x float> %y, <4 x float> <float -0.0, float -0.0, float -0.0, float -0.0>
%r = fadd <4 x float> %x, %s
Expand Down Expand Up @@ -62,9 +61,8 @@ define <8 x float> @fadd_v8f32_commute(<8 x i1> %b, <8 x float> noundef %x, <8 x
; AVX512VL-NEXT: vpmovsxwd %xmm0, %ymm0
; AVX512VL-NEXT: vpslld $31, %ymm0, %ymm0
; AVX512VL-NEXT: vptestmd %ymm0, %ymm0, %k1
; AVX512VL-NEXT: vbroadcastss {{.*#+}} ymm0 = [-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0]
; AVX512VL-NEXT: vmovaps %ymm2, %ymm0 {%k1}
; AVX512VL-NEXT: vaddps %ymm1, %ymm0, %ymm0
; AVX512VL-NEXT: vaddps %ymm2, %ymm1, %ymm1 {%k1}
; AVX512VL-NEXT: vmovaps %ymm1, %ymm0
; AVX512VL-NEXT: retq
%s = select <8 x i1> %b, <8 x float> %y, <8 x float> <float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0>
%r = fadd <8 x float> %s, %x
Expand Down Expand Up @@ -92,8 +90,8 @@ define <16 x float> @fadd_v16f32_swap(<16 x i1> %b, <16 x float> noundef %x, <16
; AVX512-NEXT: vpmovsxbd %xmm0, %zmm0
; AVX512-NEXT: vpslld $31, %zmm0, %zmm0
; AVX512-NEXT: vptestmd %zmm0, %zmm0, %k1
; AVX512-NEXT: vbroadcastss {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2 {%k1}
; AVX512-NEXT: vaddps %zmm2, %zmm1, %zmm0
; AVX512-NEXT: vmovaps %zmm1, %zmm0 {%k1}
; AVX512-NEXT: retq
%s = select <16 x i1> %b, <16 x float> <float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0>, <16 x float> %y
%r = fadd <16 x float> %x, %s
Expand Down Expand Up @@ -121,8 +119,8 @@ define <16 x float> @fadd_v16f32_commute_swap(<16 x i1> %b, <16 x float> noundef
; AVX512-NEXT: vpmovsxbd %xmm0, %zmm0
; AVX512-NEXT: vpslld $31, %zmm0, %zmm0
; AVX512-NEXT: vptestmd %zmm0, %zmm0, %k1
; AVX512-NEXT: vbroadcastss {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %zmm2 {%k1}
; AVX512-NEXT: vaddps %zmm1, %zmm2, %zmm0
; AVX512-NEXT: vaddps %zmm2, %zmm1, %zmm0
; AVX512-NEXT: vmovaps %zmm1, %zmm0 {%k1}
; AVX512-NEXT: retq
%s = select <16 x i1> %b, <16 x float> <float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0>, <16 x float> %y
%r = fadd <16 x float> %s, %x
Expand Down Expand Up @@ -152,14 +150,16 @@ define <4 x float> @fsub_v4f32(<4 x i1> %b, <4 x float> noundef %x, <4 x float>
; AVX512VL: # %bb.0:
; AVX512VL-NEXT: vpslld $31, %xmm0, %xmm0
; AVX512VL-NEXT: vptestmd %xmm0, %xmm0, %k1
; AVX512VL-NEXT: vmovaps %xmm2, %xmm0 {%k1} {z}
; AVX512VL-NEXT: vsubps %xmm0, %xmm1, %xmm0
; AVX512VL-NEXT: vsubps %xmm2, %xmm1, %xmm1 {%k1}
; AVX512VL-NEXT: vmovaps %xmm1, %xmm0
; AVX512VL-NEXT: retq
%s = select <4 x i1> %b, <4 x float> %y, <4 x float> zeroinitializer
%r = fsub <4 x float> %x, %s
ret <4 x float> %r
}

; negative test - fsub is not commutative; there is no identity constant for operand 0

define <8 x float> @fsub_v8f32_commute(<8 x i1> %b, <8 x float> noundef %x, <8 x float> noundef %y) {
; AVX2-LABEL: fsub_v8f32_commute:
; AVX2: # %bb.0:
Expand Down Expand Up @@ -214,15 +214,17 @@ define <16 x float> @fsub_v16f32_swap(<16 x i1> %b, <16 x float> noundef %x, <16
; AVX512: # %bb.0:
; AVX512-NEXT: vpmovsxbd %xmm0, %zmm0
; AVX512-NEXT: vpslld $31, %zmm0, %zmm0
; AVX512-NEXT: vptestnmd %zmm0, %zmm0, %k1
; AVX512-NEXT: vmovaps %zmm2, %zmm0 {%k1} {z}
; AVX512-NEXT: vsubps %zmm0, %zmm1, %zmm0
; AVX512-NEXT: vptestmd %zmm0, %zmm0, %k1
; AVX512-NEXT: vsubps %zmm2, %zmm1, %zmm0
; AVX512-NEXT: vmovaps %zmm1, %zmm0 {%k1}
; AVX512-NEXT: retq
%s = select <16 x i1> %b, <16 x float> zeroinitializer, <16 x float> %y
%r = fsub <16 x float> %x, %s
ret <16 x float> %r
}

; negative test - fsub is not commutative; there is no identity constant for operand 0

define <16 x float> @fsub_v16f32_commute_swap(<16 x i1> %b, <16 x float> noundef %x, <16 x float> noundef %y) {
; AVX2-LABEL: fsub_v16f32_commute_swap:
; AVX2: # %bb.0:
Expand Down Expand Up @@ -570,9 +572,7 @@ define <8 x float> @fadd_v8f32_cast_cond(i8 noundef zeroext %pb, <8 x float> nou
; AVX512VL-LABEL: fadd_v8f32_cast_cond:
; AVX512VL: # %bb.0:
; AVX512VL-NEXT: kmovw %edi, %k1
; AVX512VL-NEXT: vbroadcastss {{.*#+}} ymm2 = [-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0]
; AVX512VL-NEXT: vmovaps %ymm1, %ymm2 {%k1}
; AVX512VL-NEXT: vaddps %ymm2, %ymm0, %ymm0
; AVX512VL-NEXT: vaddps %ymm1, %ymm0, %ymm0 {%k1}
; AVX512VL-NEXT: retq
%b = bitcast i8 %pb to <8 x i1>
%s = select <8 x i1> %b, <8 x float> %y, <8 x float> <float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0>
Expand Down Expand Up @@ -636,9 +636,7 @@ define <8 x double> @fadd_v8f64_cast_cond(i8 noundef zeroext %pb, <8 x double> n
; AVX512-LABEL: fadd_v8f64_cast_cond:
; AVX512: # %bb.0:
; AVX512-NEXT: kmovw %edi, %k1
; AVX512-NEXT: vbroadcastsd {{.*#+}} zmm2 = [-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0]
; AVX512-NEXT: vmovapd %zmm1, %zmm2 {%k1}
; AVX512-NEXT: vaddpd %zmm2, %zmm0, %zmm0
; AVX512-NEXT: vaddpd %zmm1, %zmm0, %zmm0 {%k1}
; AVX512-NEXT: retq
%b = bitcast i8 %pb to <8 x i1>
%s = select <8 x i1> %b, <8 x double> %y, <8 x double> <double -0.0, double -0.0, double -0.0, double -0.0, double -0.0, double -0.0, double -0.0, double -0.0>
Expand Down Expand Up @@ -709,8 +707,7 @@ define <8 x float> @fsub_v8f32_cast_cond(i8 noundef zeroext %pb, <8 x float> nou
; AVX512VL-LABEL: fsub_v8f32_cast_cond:
; AVX512VL: # %bb.0:
; AVX512VL-NEXT: kmovw %edi, %k1
; AVX512VL-NEXT: vmovaps %ymm1, %ymm1 {%k1} {z}
; AVX512VL-NEXT: vsubps %ymm1, %ymm0, %ymm0
; AVX512VL-NEXT: vsubps %ymm1, %ymm0, %ymm0 {%k1}
; AVX512VL-NEXT: retq
%b = bitcast i8 %pb to <8 x i1>
%s = select <8 x i1> %b, <8 x float> %y, <8 x float> zeroinitializer
Expand Down Expand Up @@ -775,8 +772,7 @@ define <8 x double> @fsub_v8f64_cast_cond(i8 noundef zeroext %pb, <8 x double> n
; AVX512-LABEL: fsub_v8f64_cast_cond:
; AVX512: # %bb.0:
; AVX512-NEXT: kmovw %edi, %k1
; AVX512-NEXT: vmovapd %zmm1, %zmm1 {%k1} {z}
; AVX512-NEXT: vsubpd %zmm1, %zmm0, %zmm0
; AVX512-NEXT: vsubpd %zmm1, %zmm0, %zmm0 {%k1}
; AVX512-NEXT: retq
%b = bitcast i8 %pb to <8 x i1>
%s = select <8 x i1> %b, <8 x double> %y, <8 x double> zeroinitializer
Expand Down
37 changes: 35 additions & 2 deletions llvm/test/Transforms/Attributor/undefined_behavior.ll
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=6 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=6 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM

Expand Down Expand Up @@ -793,6 +793,39 @@ define i32* @violate_noundef_pointer() {
%ret = call i32* @argument_noundef2(i32* undef)
ret i32* %ret
}

define internal noundef i32 @assumed_undef_is_ok(i1 %c, i32 %arg) {
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; IS__CGSCC____-LABEL: define {{[^@]+}}@assumed_undef_is_ok
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR0]] {
; IS__CGSCC____-NEXT: br i1 [[C]], label [[REC:%.*]], label [[RET:%.*]]
; IS__CGSCC____: rec:
; IS__CGSCC____-NEXT: br label [[RET]]
; IS__CGSCC____: ret:
; IS__CGSCC____-NEXT: ret i32 undef
;
%stack = alloca i32
store i32 %arg, i32* %stack
br i1 %c, label %rec, label %ret
rec:
%call = call i32 @assumed_undef_is_ok(i1 false, i32 0)
store i32 %call, i32* %stack
br label %ret
ret:
%l = load i32, i32* %stack
ret i32 %l
}

define noundef i32 @assumed_undef_is_ok_caller(i1 %c) {
; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; CHECK-LABEL: define {{[^@]+}}@assumed_undef_is_ok_caller
; CHECK-SAME: (i1 [[C:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: ret i32 0
;
%call = call i32 @assumed_undef_is_ok(i1 %c, i32 undef)
ret i32 %call
}

;.
; IS__TUNIT____: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind readnone willreturn }
; IS__TUNIT____: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind null_pointer_is_valid readnone willreturn }
Expand Down