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SCEVExpander: Fix a regression I introduced by to eagerly adding RAII objects.

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PR17425.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191741 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2013-10-01 12:17:11 +00:00
parent ced450f0e6
commit 341562b9fb
2 changed files with 47 additions and 1 deletions
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5
lib/Analysis/ScalarEvolutionExpander.cpp
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@ -569,7 +569,7 @@ Value *SCEVExpander::expandAddToGEP(const SCEV *const *op_begin,
}
// Save the original insertion point so we can restore it when we're done.
BuilderType::InsertPointGuard Guard(Builder);
BuilderType::InsertPoint SaveInsertPt = Builder.saveIP();
// Move the insertion point out of as many loops as we can.
while (const Loop *L = SE.LI->getLoopFor(Builder.GetInsertBlock())) {
@ -604,6 +604,9 @@ Value *SCEVExpander::expandAddToGEP(const SCEV *const *op_begin,
Ops.push_back(SE.getUnknown(GEP));
rememberInstruction(GEP);
// Restore the original insert point.
Builder.restoreIP(SaveInsertPt);
return expand(SE.getAddExpr(Ops));
}