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-rw-r--r--contrib/llvm/lib/VMCore/AutoUpgrade.cpp60
1 files changed, 59 insertions, 1 deletions
diff --git a/contrib/llvm/lib/VMCore/AutoUpgrade.cpp b/contrib/llvm/lib/VMCore/AutoUpgrade.cpp
index 4541f38..f8f15ca 100644
--- a/contrib/llvm/lib/VMCore/AutoUpgrade.cpp
+++ b/contrib/llvm/lib/VMCore/AutoUpgrade.cpp
@@ -285,7 +285,33 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
}
break;
- case 'x':
+ case 'x':
+ // This fixes the poorly named crc32 intrinsics
+ if (Name.compare(5, 13, "x86.sse42.crc", 13) == 0) {
+ const char* NewFnName = NULL;
+ if (Name.compare(18, 2, "32", 2) == 0) {
+ if (Name.compare(20, 2, ".8") == 0 && Name.length() == 22) {
+ NewFnName = "llvm.x86.sse42.crc32.32.8";
+ } else if (Name.compare(20, 3, ".16") == 0 && Name.length() == 23) {
+ NewFnName = "llvm.x86.sse42.crc32.32.16";
+ } else if (Name.compare(20, 3, ".32") == 0 && Name.length() == 23) {
+ NewFnName = "llvm.x86.sse42.crc32.32.32";
+ }
+ }
+ else if (Name.compare(18, 2, "64", 2) == 0) {
+ if (Name.compare(20, 2, ".8") == 0 && Name.length() == 22) {
+ NewFnName = "llvm.x86.sse42.crc32.64.8";
+ } else if (Name.compare(20, 3, ".64") == 0 && Name.length() == 23) {
+ NewFnName = "llvm.x86.sse42.crc32.64.64";
+ }
+ }
+ if (NewFnName) {
+ F->setName(NewFnName);
+ NewFn = F;
+ return true;
+ }
+ }
+
// This fixes all MMX shift intrinsic instructions to take a
// x86_mmx instead of a v1i64, v2i32, v4i16, or v8i8.
if (Name.compare(5, 8, "x86.mmx.", 8) == 0) {
@@ -533,6 +559,13 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
// Calls to these instructions are transformed into unaligned loads.
NewFn = 0;
return true;
+ } else if (Name.compare(5, 16, "x86.sse.movnt.ps", 16) == 0 ||
+ Name.compare(5, 17, "x86.sse2.movnt.dq", 17) == 0 ||
+ Name.compare(5, 17, "x86.sse2.movnt.pd", 17) == 0 ||
+ Name.compare(5, 17, "x86.sse2.movnt.i", 16) == 0) {
+ // Calls to these instructions are transformed into nontemporal stores.
+ 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());
@@ -975,6 +1008,31 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
// Remove intrinsic.
CI->eraseFromParent();
+ } else if (F->getName() == "llvm.x86.sse.movnt.ps" ||
+ F->getName() == "llvm.x86.sse2.movnt.dq" ||
+ F->getName() == "llvm.x86.sse2.movnt.pd" ||
+ F->getName() == "llvm.x86.sse2.movnt.i") {
+ IRBuilder<> Builder(C);
+ Builder.SetInsertPoint(CI->getParent(), CI);
+
+ Module *M = F->getParent();
+ SmallVector<Value *, 1> Elts;
+ Elts.push_back(ConstantInt::get(Type::getInt32Ty(C), 1));
+ MDNode *Node = MDNode::get(C, Elts);
+
+ Value *Arg0 = CI->getArgOperand(0);
+ Value *Arg1 = CI->getArgOperand(1);
+
+ // Convert the type of the pointer to a pointer to the stored type.
+ Value *BC = Builder.CreateBitCast(Arg0,
+ PointerType::getUnqual(Arg1->getType()),
+ "cast");
+ StoreInst *SI = Builder.CreateStore(Arg1, BC);
+ SI->setMetadata(M->getMDKindID("nontemporal"), Node);
+ SI->setAlignment(16);
+
+ // Remove intrinsic.
+ CI->eraseFromParent();
} else {
llvm_unreachable("Unknown function for CallInst upgrade.");
}
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