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| author | Dan Gohman <gohman@apple.com> | 2010-04-09 18:20:03 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-04-09 18:20:03 +0000 |
| commit | 53b73a283e0a0339f7a273775ee21ebcc220b089 (patch) | |
| tree | b91b7ef81f20245a028c0293334aacac1ae8e8d0 /lib/Analysis/ScalarEvolutionExpander.cpp | |
| parent | 666f8cb9b7486a45f59fd9ba3202e4b67dbad58c (diff) | |
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100874 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ScalarEvolutionExpander.cpp')
| -rw-r--r-- | lib/Analysis/ScalarEvolutionExpander.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp index dd8ab431f3..24825bf5e5 100644 --- a/lib/Analysis/ScalarEvolutionExpander.cpp +++ b/lib/Analysis/ScalarEvolutionExpander.cpp @@ -705,7 +705,8 @@ Value *SCEVExpander::visitAddExpr(const SCEVAddExpr *S) { Sum = expandAddToGEP(NewOps.begin(), NewOps.end(), PTy, Ty, Sum); } else if (const PointerType *PTy = dyn_cast<PointerType>(Op->getType())) { // The running sum is an integer, and there's a pointer at this level. - // Try to form a getelementptr. + // Try to form a getelementptr. Use a SCEVUnknown so that we don't + // re-analyze the instructions that we just emitted. SmallVector<const SCEV *, 4> NewOps; NewOps.push_back(SE.getUnknown(Sum)); for (++I; I != E && I->first == CurLoop; ++I) |