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Convert manual insert point restores to the new RAII object.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191675 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2013-09-30 15:40:17 +00:00
parent 6dc5c6b879
commit d427882166
5 changed files with 18 additions and 62 deletions
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8
lib/Transforms/Vectorize/LoopVectorize.cpp
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@ -1027,25 +1027,19 @@ LoopVectorizationLegality::RuntimePointerCheck::insert(ScalarEvolution *SE,
}
Value *InnerLoopVectorizer::getBroadcastInstrs(Value *V) {
// Save the current insertion location.
Instruction *Loc = Builder.GetInsertPoint();
// We need to place the broadcast of invariant variables outside the loop.
Instruction *Instr = dyn_cast<Instruction>(V);
bool NewInstr = (Instr && Instr->getParent() == LoopVectorBody);
bool Invariant = OrigLoop->isLoopInvariant(V) && !NewInstr;
// Place the code for broadcasting invariant variables in the new preheader.
IRBuilder<>::InsertPointGuard Guard(Builder);
if (Invariant)
Builder.SetInsertPoint(LoopVectorPreHeader->getTerminator());
// Broadcast the scalar into all locations in the vector.
Value *Shuf = Builder.CreateVectorSplat(VF, V, "broadcast");
// Restore the builder insertion point.
if (Invariant)
Builder.SetInsertPoint(Loc);
return Shuf;
}