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LoopVectorize: Allow vectorization of loops with lifetime markers

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Patch by Marc Jessome!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187825 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Arnold Schwaighofer
2013-08-06 22:37:52 +00:00
parent 014096e4d5
commit 2d66d4cf42
3 changed files with 117 additions and 8 deletions
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26
lib/Transforms/Vectorize/LoopVectorize.cpp
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@ -1775,6 +1775,8 @@ getIntrinsicIDForCall(CallInst *CI, const TargetLibraryInfo *TLI) {
case Intrinsic::pow:
case Intrinsic::fma:
case Intrinsic::fmuladd:
case Intrinsic::lifetime_start:
case Intrinsic::lifetime_end:
return II->getIntrinsicID();
default:
return Intrinsic::not_intrinsic;
@ -2491,15 +2493,23 @@ InnerLoopVectorizer::vectorizeBlockInLoop(LoopVectorizationLegality *Legal,
CallInst *CI = cast<CallInst>(it);
Intrinsic::ID ID = getIntrinsicIDForCall(CI, TLI);
assert(ID && "Not an intrinsic call!");
for (unsigned Part = 0; Part < UF; ++Part) {
SmallVector<Value*, 4> Args;
for (unsigned i = 0, ie = CI->getNumArgOperands(); i != ie; ++i) {
VectorParts &Arg = getVectorValue(CI->getArgOperand(i));
Args.push_back(Arg[Part]);
switch (ID) {
case Intrinsic::lifetime_end:
case Intrinsic::lifetime_start:
scalarizeInstruction(it);
break;
default:
for (unsigned Part = 0; Part < UF; ++Part) {
SmallVector<Value *, 4> Args;
for (unsigned i = 0, ie = CI->getNumArgOperands(); i != ie; ++i) {
VectorParts &Arg = getVectorValue(CI->getArgOperand(i));
Args.push_back(Arg[Part]);
}
Type *Tys[] = { VectorType::get(CI->getType()->getScalarType(), VF) };
Function *F = Intrinsic::getDeclaration(M, ID, Tys);
Entry[Part] = Builder.CreateCall(F, Args);
}
Type *Tys[] = { VectorType::get(CI->getType()->getScalarType(), VF) };
Function *F = Intrinsic::getDeclaration(M, ID, Tys);
Entry[Part] = Builder.CreateCall(F, Args);
break;
}
break;
}