[X86] Replace avx2 broadcast intrinsics with native IR.
Since r245605, the clang headers don't use these anymore.
r245165 updated some of the tests already; update the others, add
an autoupgrade, remove the intrinsics, and cleanup the definitions.
Differential Revision: http://reviews.llvm.org/D10555
llvm-svn: 245606
diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp
index f1c6ebd..aeefa38 100644
--- a/llvm/lib/IR/AutoUpgrade.cpp
+++ b/llvm/lib/IR/AutoUpgrade.cpp
@@ -129,6 +129,8 @@
Name.startswith("x86.sse2.pcmpgt.") ||
Name.startswith("x86.avx2.pcmpeq.") ||
Name.startswith("x86.avx2.pcmpgt.") ||
+ Name.startswith("x86.avx2.vbroadcast") ||
+ Name.startswith("x86.avx2.pbroadcast") ||
Name.startswith("x86.avx.vpermil.") ||
Name == "x86.avx.vinsertf128.pd.256" ||
Name == "x86.avx.vinsertf128.ps.256" ||
@@ -447,6 +449,14 @@
const int Idxs[4] = { 0, 1, 0, 1 };
Rep = Builder.CreateShuffleVector(Load, UndefValue::get(Load->getType()),
Idxs);
+ } else if (Name.startswith("llvm.x86.avx2.pbroadcast") ||
+ Name.startswith("llvm.x86.avx2.vbroadcast")) {
+ // Replace vp?broadcasts with a vector shuffle.
+ Value *Op = CI->getArgOperand(0);
+ unsigned NumElts = CI->getType()->getVectorNumElements();
+ Type *MaskTy = VectorType::get(Type::getInt32Ty(C), NumElts);
+ Rep = Builder.CreateShuffleVector(Op, UndefValue::get(Op->getType()),
+ Constant::getNullValue(MaskTy));
} else if (Name == "llvm.x86.sse2.psll.dq") {
// 128-bit shift left specified in bits.
unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();