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| author | Dan Gohman <gohman@apple.com> | 2010-01-19 22:21:27 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-01-19 22:21:27 +0000 |
| commit | f86d904b7d9bd99013271527ed3252d4e0d14214 (patch) | |
| tree | cb79dad2d42f094bbad8857e39c2c42e07ecacd3 /llvm/lib/Analysis/ScalarEvolution.cpp | |
| parent | eaef5e111d7f467afb65a7942698dd6404cd0448 (diff) | |
| download | bcm5719-llvm-f86d904b7d9bd99013271527ed3252d4e0d14214.tar.gz bcm5719-llvm-f86d904b7d9bd99013271527ed3252d4e0d14214.zip | |
Give ScalarEvolution access to the DominatorTree. It'll need this
to make more intellegent AddRec folding decisions.
llvm-svn: 93930
Diffstat (limited to 'llvm/lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolution.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp index 4d85ce43d20..a06321cecfd 100644 --- a/llvm/lib/Analysis/ScalarEvolution.cpp +++ b/llvm/lib/Analysis/ScalarEvolution.cpp @@ -5167,6 +5167,7 @@ ScalarEvolution::ScalarEvolution() bool ScalarEvolution::runOnFunction(Function &F) { this->F = &F; LI = &getAnalysis<LoopInfo>(); + DT = &getAnalysis<DominatorTree>(); TD = getAnalysisIfAvailable<TargetData>(); return false; } @@ -5183,6 +5184,7 @@ void ScalarEvolution::releaseMemory() { void ScalarEvolution::getAnalysisUsage(AnalysisUsage &AU) const { AU.setPreservesAll(); AU.addRequiredTransitive<LoopInfo>(); + AU.addRequiredTransitive<DominatorTree>(); } bool ScalarEvolution::hasLoopInvariantBackedgeTakenCount(const Loop *L) { |
