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llvm · Jun 9, 2021 · e335391 · e335391
1 parent 66a4ddd
commit e335391
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Showing 3 changed files with 13 additions and 1 deletion.
diff --git a/clang/include/clang/Basic/BuiltinsPPC.def b/clang/include/clang/Basic/BuiltinsPPC.def
@@ -45,7 +45,7 @@ BUILTIN(__builtin_ppc_dcbt, "vv*", "")
 BUILTIN(__builtin_ppc_dcbtst, "vv*", "")
 BUILTIN(__builtin_ppc_dcbz, "vv*", "")
 BUILTIN(__builtin_ppc_icbt, "vv*", "")
-BUILTIN(__builtin_ppc_ldarx, "LiLiD*iC", "")
+BUILTIN(__builtin_ppc_ldarx, "LiLiD*", "")
 BUILTIN(__builtin_ppc_lwarx, "iiD*", "")
 BUILTIN(__builtin_ppc_lharx, "isD*", "")
 BUILTIN(__builtin_ppc_lbarx, "icD*", "")

diff --git a/llvm/include/llvm/IR/IntrinsicsPowerPC.td b/llvm/include/llvm/IR/IntrinsicsPowerPC.td
@@ -1523,5 +1523,13 @@ let TargetPrefix = "ppc" in {
                       Intrinsic<[],[],[]>;
   def int_ppc_iospace_eieio : GCCBuiltin<"__builtin_ppc_iospace_eieio">,
                               Intrinsic<[],[],[]>;
+  def int_ppc_ldarx : GCCBuiltin<"__builtin_ppc_ldarx">,
+                      Intrinsic<[llvm_i64_ty], [llvm_ptr_ty], [IntrNoMem]>;
+  def int_ppc_lwarx : GCCBuiltin<"__builtin_ppc_lwarx">,
+                      Intrinsic<[llvm_i32_ty], [llvm_ptr_ty], [IntrNoMem]>;
+  def int_ppc_lharx : GCCBuiltin<"__builtin_ppc_lharx">,
+                      Intrinsic<[llvm_i32_ty], [llvm_ptr_ty], [IntrNoMem]>;
+  def int_ppc_lbarx : GCCBuiltin<"__builtin_ppc_lbarx">,
+                      Intrinsic<[llvm_i32_ty], [llvm_ptr_ty], [IntrNoMem]>;
 }
 
diff --git a/llvm/lib/Target/PowerPC/PPCInstrPrefix.td b/llvm/lib/Target/PowerPC/PPCInstrPrefix.td
@@ -2837,6 +2837,10 @@ let Predicates = [IsISA3_1, HasVSX, IsBigEndian, IsPPC64] in {
               (VINSD $vDi, !mul(i, 8), $rA)>;
 }
 
+let Predicates = [HasP8Altivec] in {
+def : Pat<(int_ppc_ldarx xoaddr:$dst),
+          (LDARX xoaddr:$dst)>;
+}
 def : Pat<(int_ppc_lwarx xoaddr:$dst),
           (LWARX xoaddr:$dst)>;
 def : Pat<(int_ppc_lharx xoaddr:$dst),