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In places where it's using "getFirstNonPHI", skip the landingpad instruction if necessary.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137679 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2011-08-15 23:19:54 +00:00
parent 19cb7f491f
commit 5e38c473a4
1 changed files with 8 additions and 5 deletions
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13
lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -469,7 +469,7 @@ static bool OptimizeCmpExpression(CmpInst *CI) {
if (!InsertedCmp) {
BasicBlock::iterator InsertPt = UserBB->getFirstNonPHI();
if (isa<LandingPadInst>(InsertPt)) ++InsertPt; // Skip landingpad inst.
InsertedCmp =
CmpInst::Create(CI->getOpcode(),
CI->getPredicate(), CI->getOperand(0),
@ -561,10 +561,13 @@ bool CodeGenPrepare::OptimizeCallInst(CallInst *CI) {
(DVI->getParent() != VI->getParent() || DT->dominates(DVI, VI))) {
DEBUG(dbgs() << "Moving Debug Value before :\n" << *DVI << ' ' << *VI);
DVI->removeFromParent();
if (isa<PHINode>(VI))
DVI->insertBefore(VI->getParent()->getFirstNonPHI());
else
if (isa<PHINode>(VI)) {
BasicBlock::iterator InsertPt = VI->getParent()->getFirstNonPHI();
if (isa<LandingPadInst>(InsertPt)) ++InsertPt;
DVI->insertBefore(InsertPt);
} else {
DVI->insertAfter(VI);
}
return true;
}
@ -1061,7 +1064,7 @@ bool CodeGenPrepare::OptimizeExtUses(Instruction *I) {
if (!InsertedTrunc) {
BasicBlock::iterator InsertPt = UserBB->getFirstNonPHI();
if (isa<LandingPadInst>(InsertPt)) ++InsertPt;
InsertedTrunc = new TruncInst(I, Src->getType(), "", InsertPt);
}