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[ScalarizeMaskedMemIntrin] Limit the scope of some variables that are only used inside loops. 

llvm-svn: 345638
This commit is contained in:
Craig Topper 2018-10-30 20:33:58 +00:00
parent fa98390b3c
commit 4104c00658
1 changed files with 5 additions and 8 deletions
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13
llvm/lib/CodeGen/ScalarizeMaskedMemIntrin.cpp
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@ -138,8 +138,6 @@ static void scalarizeMaskedLoad(CallInst *CI) {
IRBuilder<> Builder(CI->getContext());
Instruction *InsertPt = CI;
BasicBlock *IfBlock = CI->getParent();
BasicBlock *CondBlock = nullptr;
BasicBlock *PrevIfBlock = CI->getParent();
Builder.SetInsertPoint(InsertPt);
Builder.SetCurrentDebugLocation(CI->getDebugLoc());
@ -195,7 +193,8 @@ static void scalarizeMaskedLoad(CallInst *CI) {
// %Elt = load i32* %EltAddr
// VResult = insertelement <16 x i32> VResult, i32 %Elt, i32 Idx
//
CondBlock = IfBlock->splitBasicBlock(InsertPt->getIterator(), "cond.load");
BasicBlock *CondBlock = IfBlock->splitBasicBlock(InsertPt->getIterator(),
"cond.load");
Builder.SetInsertPoint(InsertPt);
Value *Gep =
@ -211,7 +210,7 @@ static void scalarizeMaskedLoad(CallInst *CI) {
Instruction *OldBr = IfBlock->getTerminator();
BranchInst::Create(CondBlock, NewIfBlock, Predicate, OldBr);
OldBr->eraseFromParent();
PrevIfBlock = IfBlock;
BasicBlock *PrevIfBlock = IfBlock;
IfBlock = NewIfBlock;
// Create the phi to join the new and previous value.
@ -372,8 +371,6 @@ static void scalarizeMaskedGather(CallInst *CI) {
IRBuilder<> Builder(CI->getContext());
Instruction *InsertPt = CI;
BasicBlock *IfBlock = CI->getParent();
BasicBlock *CondBlock = nullptr;
BasicBlock *PrevIfBlock = CI->getParent();
Builder.SetInsertPoint(InsertPt);
unsigned AlignVal = cast<ConstantInt>(Alignment)->getZExtValue();
@ -416,7 +413,7 @@ static void scalarizeMaskedGather(CallInst *CI) {
// %Elt = load i32* %EltAddr
// VResult = insertelement <16 x i32> VResult, i32 %Elt, i32 Idx
//
CondBlock = IfBlock->splitBasicBlock(InsertPt, "cond.load");
BasicBlock *CondBlock = IfBlock->splitBasicBlock(InsertPt, "cond.load");
Builder.SetInsertPoint(InsertPt);
Value *Ptr = Builder.CreateExtractElement(Ptrs, Builder.getInt32(Idx),
@ -433,7 +430,7 @@ static void scalarizeMaskedGather(CallInst *CI) {
Instruction *OldBr = IfBlock->getTerminator();
BranchInst::Create(CondBlock, NewIfBlock, Predicate, OldBr);
OldBr->eraseFromParent();
PrevIfBlock = IfBlock;
BasicBlock *PrevIfBlock = IfBlock;
IfBlock = NewIfBlock;
PHINode *Phi = Builder.CreatePHI(VecType, 2, "res.phi.else");