Add some MS aliases for existing intrinsics

Reviewers: thakis, compnerd, majnemer, rsmith, rnk

Subscribers: alexshap, cfe-commits

Differential Revision: https://reviews.llvm.org/D24330

llvm-svn: 281540

1 files changed, 24 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 27c0b837766..e105a06b147 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -681,6 +681,9 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
                                      "cast");
     return RValue::get(Result);
   }
+  case Builtin::BI__popcnt16:
+  case Builtin::BI__popcnt:
+  case Builtin::BI__popcnt64:
   case Builtin::BI__builtin_popcount:
   case Builtin::BI__builtin_popcountl:
   case Builtin::BI__builtin_popcountll: {
@@ -6954,6 +6957,25 @@ Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
     Value *F = CGM.getIntrinsic(Intrinsic::prefetch);
     return Builder.CreateCall(F, {Address, RW, Locality, Data});
   }
+  case X86::BI_mm_clflush: {
+    return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse2_clflush),
+                              Ops[0]);
+  }
+  case X86::BI_mm_lfence: {
+    return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse2_lfence));
+  }
+  case X86::BI_mm_mfence: {
+    return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse2_mfence));
+  }
+  case X86::BI_mm_sfence: {
+    return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse_sfence));
+  }
+  case X86::BI_mm_pause: {
+    return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse2_pause));
+  }
+  case X86::BI__rdtsc: {
+    return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_rdtsc));
+  }
   case X86::BI__builtin_ia32_undef128:
   case X86::BI__builtin_ia32_undef256:
   case X86::BI__builtin_ia32_undef512:
@@ -6966,12 +6988,14 @@ Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
   case X86::BI__builtin_ia32_vec_ext_v2si:
     return Builder.CreateExtractElement(Ops[0],
                                   llvm::ConstantInt::get(Ops[1]->getType(), 0));
+  case X86::BI_mm_setcsr:
   case X86::BI__builtin_ia32_ldmxcsr: {
     Address Tmp = CreateMemTemp(E->getArg(0)->getType());
     Builder.CreateStore(Ops[0], Tmp);
     return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse_ldmxcsr),
                           Builder.CreateBitCast(Tmp.getPointer(), Int8PtrTy));
   }
+  case X86::BI_mm_getcsr:
   case X86::BI__builtin_ia32_stmxcsr: {
     Address Tmp = CreateMemTemp(E->getType());
     Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse_stmxcsr),