Revert r129401 for now. Clang is using the old way of doing things.
llvm-svn: 129403
diff --git a/llvm/lib/VMCore/AutoUpgrade.cpp b/llvm/lib/VMCore/AutoUpgrade.cpp
index 4541f38..9e551bb 100644
--- a/llvm/lib/VMCore/AutoUpgrade.cpp
+++ b/llvm/lib/VMCore/AutoUpgrade.cpp
@@ -527,12 +527,6 @@
// or 0.
NewFn = 0;
return true;
- } else if (Name.compare(5, 16, "x86.sse.loadu.ps", 16) == 0 ||
- Name.compare(5, 17, "x86.sse2.loadu.dq", 17) == 0 ||
- Name.compare(5, 17, "x86.sse2.loadu.pd", 17) == 0) {
- // Calls to these instructions are transformed into unaligned loads.
- NewFn = 0;
- return true;
} else if (Name.compare(5, 17, "x86.ssse3.pshuf.w", 17) == 0) {
// This is an SSE/MMX instruction.
const Type *X86_MMXTy = VectorType::getX86_MMXTy(FTy->getContext());
@@ -952,29 +946,7 @@
// Remove upgraded instruction.
CI->eraseFromParent();
-
- } else if (F->getName() == "llvm.x86.sse.loadu.ps" ||
- F->getName() == "llvm.x86.sse2.loadu.dq" ||
- F->getName() == "llvm.x86.sse2.loadu.pd") {
- // Convert to a native, unaligned load.
- const Type *VecTy = CI->getType();
- const Type *IntTy = IntegerType::get(C, 128);
- IRBuilder<> Builder(C);
- Builder.SetInsertPoint(CI->getParent(), CI);
-
- Value *BC = Builder.CreateBitCast(CI->getArgOperand(0),
- PointerType::getUnqual(IntTy),
- "cast");
- LoadInst *LI = Builder.CreateLoad(BC, CI->getName());
- LI->setAlignment(1); // Unaligned load.
- BC = Builder.CreateBitCast(LI, VecTy, "new.cast");
-
- // Fix up all the uses with our new load.
- if (!CI->use_empty())
- CI->replaceAllUsesWith(BC);
-
- // Remove intrinsic.
- CI->eraseFromParent();
+
} else {
llvm_unreachable("Unknown function for CallInst upgrade.");
}