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Add an explicit insert point argument to SplitBlockAndInsertIfThen.

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Currently SplitBlockAndInsertIfThen requires that branch condition is an
Instruction itself, which is very inconvenient, because it is sometimes an
Operator, or even a Constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197677 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evgeniy Stepanov
2013-12-19 13:29:56 +00:00
parent e493a9976c
commit a7eb2b83ba
6 changed files with 62 additions and 42 deletions
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12
lib/Transforms/Instrumentation/MemorySanitizer.cpp
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@@ -565,8 +565,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
Value *Cmp = IRB.CreateICmpNE(ConvertedShadow,
getCleanShadow(ConvertedShadow), "_mscmp");
Instruction *CheckTerm =
SplitBlockAndInsertIfThen(cast<Instruction>(Cmp), false,
MS.OriginStoreWeights);
SplitBlockAndInsertIfThen(Cmp, &I, false, MS.OriginStoreWeights);
IRBuilder<> IRBNew(CheckTerm);
IRBNew.CreateAlignedStore(getOrigin(Val), getOriginPtr(Addr, IRBNew),
Alignment);
@@ -588,10 +587,9 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
continue;
Value *Cmp = IRB.CreateICmpNE(ConvertedShadow,
getCleanShadow(ConvertedShadow), "_mscmp");
Instruction *CheckTerm =
SplitBlockAndInsertIfThen(cast<Instruction>(Cmp),
/* Unreachable */ !ClKeepGoing,
MS.ColdCallWeights);
Instruction *CheckTerm = SplitBlockAndInsertIfThen(
Cmp, OrigIns,
/* Unreachable */ !ClKeepGoing, MS.ColdCallWeights);
IRB.SetInsertPoint(CheckTerm);
if (MS.TrackOrigins) {
@@ -629,7 +627,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
IRB.CreatePHI(Fn0->getType(), 2, "msandr.indirect_target");
Instruction *CheckTerm = SplitBlockAndInsertIfThen(
cast<Instruction>(NotInThisModule),
NotInThisModule, NewFnPhi,
/* Unreachable */ false, MS.ColdCallWeights);
IRB.SetInsertPoint(CheckTerm);