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[IRCE] Use getTerminator instead of rbegin; NFC

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llvm-svn: 273586
This commit is contained in:
Sanjoy Das 2016-06-23 18:03:26 +00:00
parent de9507c813
commit dbb47d790b
1 changed files with 5 additions and 5 deletions
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10
lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
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@ -637,7 +637,7 @@ LoopStructure::parseLoopStructure(ScalarEvolution &SE, BranchProbabilityInfo &BP
return None;
}
BranchInst *LatchBr = dyn_cast<BranchInst>(&*Latch->rbegin());
BranchInst *LatchBr = dyn_cast<BranchInst>(Latch->getTerminator());
if (!LatchBr || LatchBr->isUnconditional()) {
FailureReason = "latch terminator not conditional branch";
return None;
@ -763,7 +763,7 @@ LoopStructure::parseLoopStructure(ScalarEvolution &SE, BranchProbabilityInfo &BP
return None;
}
IRBuilder<> B(&*Preheader->rbegin());
IRBuilder<> B(Preheader->getTerminator());
RightValue = B.CreateAdd(RightValue, One);
}
@ -785,7 +785,7 @@ LoopStructure::parseLoopStructure(ScalarEvolution &SE, BranchProbabilityInfo &BP
return None;
}
IRBuilder<> B(&*Preheader->rbegin());
IRBuilder<> B(Preheader->getTerminator());
RightValue = B.CreateSub(RightValue, One);
}
}
@ -804,7 +804,7 @@ LoopStructure::parseLoopStructure(ScalarEvolution &SE, BranchProbabilityInfo &BP
const DataLayout &DL = Preheader->getModule()->getDataLayout();
Value *IndVarStartV =
SCEVExpander(SE, DL, "irce")
.expandCodeFor(IndVarStart, IndVarTy, &*Preheader->rbegin());
.expandCodeFor(IndVarStart, IndVarTy, Preheader->getTerminator());
IndVarStartV->setName("indvar.start");
LoopStructure Result;
@ -1026,7 +1026,7 @@ LoopConstrainer::RewrittenRangeInfo LoopConstrainer::changeIterationSpaceEnd(
RRI.PseudoExit = BasicBlock::Create(Ctx, Twine(LS.Tag) + ".pseudo.exit", &F,
&*BBInsertLocation);
BranchInst *PreheaderJump = cast<BranchInst>(&*Preheader->rbegin());
BranchInst *PreheaderJump = cast<BranchInst>(Preheader->getTerminator());
bool Increasing = LS.IndVarIncreasing;
IRBuilder<> B(PreheaderJump);