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| author | Dan Gohman <gohman@apple.com> | 2011-01-24 17:54:18 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2011-01-24 17:54:18 +0000 |
| commit | a3bbf2411fa1e085fc371e2c9ef27970e2c89d3c (patch) | |
| tree | 178bba618f5da225af3a1abd7df8bba11153579a /lib/Analysis/ScalarEvolution.cpp | |
| parent | 640b9c8fe2134a4131394989e4ef0f97e9c44813 (diff) | |
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124126 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index e3fcb8428e..c10af50dd5 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -3126,6 +3126,7 @@ ScalarEvolution::getUnsignedRange(const SCEV *S) { /// ConstantRange ScalarEvolution::getSignedRange(const SCEV *S) { + // See if we've computed this range already. DenseMap<const SCEV *, ConstantRange>::iterator I = SignedRanges.find(S); if (I != SignedRanges.end()) return I->second; |