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[AutoUpgrade] Simplify code

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No need to set the name on an instruction that's going away, just move
it from the old instruction to the new one.
This commit is contained in:
Benjamin Kramer 2020-08-11 13:20:39 +02:00
parent 76e22108d4
commit 5279174413
1 changed files with 4 additions and 16 deletions
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20
lib/IR/AutoUpgrade.cpp
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@ -3720,11 +3720,7 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
// Replace the original call result with the first result of the new call.
Value *TSC = Builder.CreateExtractValue(NewCall, 0);
std::string Name = std::string(CI->getName());
if (!Name.empty()) {
CI->setName(Name + ".old");
NewCall->setName(Name);
}
NewCall->takeName(CI);
CI->replaceAllUsesWith(TSC);
CI->eraseFromParent();
return;
@ -3761,11 +3757,7 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
NewCall = Builder.CreateCall(NewFn, Args);
Value *Res = ApplyX86MaskOn1BitsVec(Builder, NewCall, nullptr);
std::string Name(CI->getName());
if (!Name.empty()) {
CI->setName(Name + ".old");
NewCall->setName(Name);
}
NewCall->takeName(CI);
CI->replaceAllUsesWith(Res);
CI->eraseFromParent();
return;
@ -3819,11 +3811,7 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
}
assert(NewCall && "Should have either set this variable or returned through "
"the default case");
std::string Name = std::string(CI->getName());
if (!Name.empty()) {
CI->setName(Name + ".old");
NewCall->setName(Name);
}
NewCall->takeName(CI);
CI->replaceAllUsesWith(NewCall);
CI->eraseFromParent();
}
@ -4016,7 +4004,7 @@ void llvm::UpgradeARCRuntime(Module &M) {
// Create a call instruction that calls the new function.
CallInst *NewCall = Builder.CreateCall(NewFuncTy, NewFn, Args);
NewCall->setTailCallKind(cast<CallInst>(CI)->getTailCallKind());
NewCall->setName(CI->getName());
NewCall->takeName(CI);
// Bitcast the return value back to the type of the old call.
Value *NewRetVal = Builder.CreateBitCast(NewCall, CI->getType());