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A few places where we want to skip the landingpad instruction for insertion.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137712 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2011-08-16 04:52:55 +00:00
parent 614051a1c5
commit 05d0023a95
3 changed files with 8 additions and 2 deletions
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5
lib/Analysis/ScalarEvolutionExpander.cpp
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@ -1323,8 +1323,11 @@ Value *SCEVExpander::expand(const SCEV *S) {
// If the SCEV is computable at this level, insert it into the header
// after the PHIs (and after any other instructions that we've inserted
// there) so that it is guaranteed to dominate any user inside the loop.
if (L && SE.hasComputableLoopEvolution(S, L) && !PostIncLoops.count(L))
if (L && SE.hasComputableLoopEvolution(S, L) && !PostIncLoops.count(L)) {
InsertPt = L->getHeader()->getFirstNonPHI();
if (isa<LandingPadInst>(InsertPt))
InsertPt = llvm::next(BasicBlock::iterator(InsertPt));
}
while (isInsertedInstruction(InsertPt) || isa<DbgInfoIntrinsic>(InsertPt))
InsertPt = llvm::next(BasicBlock::iterator(InsertPt));
break;

1
lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
View File

@ -601,6 +601,7 @@ bool InstCombiner::SimplifyStoreAtEndOfBlock(StoreInst &SI) {
// Advance to a place where it is safe to insert the new store and
// insert it.
BBI = DestBB->getFirstNonPHI();
if (isa<LandingPadInst>(BBI)) ++BBI;
StoreInst *NewSI = new StoreInst(MergedVal, SI.getOperand(1),
SI.isVolatile(),
SI.getAlignment(),

4
lib/Transforms/Instrumentation/GCOVProfiling.cpp
View File

@ -505,7 +505,9 @@ bool GCOVProfiler::emitProfileArcs(DebugInfoFinder &DIF) {
}
for (int i = 0, e = ComplexEdgeSuccs.size(); i != e; ++i) {
// call runtime to perform increment
IRBuilder<> Builder(ComplexEdgeSuccs[i+1]->getFirstNonPHI());
BasicBlock::iterator InsertPt = ComplexEdgeSuccs[i+1]->getFirstNonPHI();
if (isa<LandingPadInst>(InsertPt)) ++InsertPt;
IRBuilder<> Builder(InsertPt);
Value *CounterPtrArray =
Builder.CreateConstInBoundsGEP2_64(EdgeTable, 0,
i * ComplexEdgePreds.size());