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| author | Owen Anderson <resistor@mac.com> | 2010-09-01 18:27:22 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2010-09-01 18:27:22 +0000 |
| commit | 73f988cafa3f640bb1d2f694afb878ded5fc8eab (patch) | |
| tree | 8102fd9649e4fd7d32fcea7a5c28896f63d6ce55 /llvm/lib/Transforms | |
| parent | 3ce9c4a65fbb0ed6456566e3b65deb4481073de7 (diff) | |
| download | bcm5719-llvm-73f988cafa3f640bb1d2f694afb878ded5fc8eab.tar.gz bcm5719-llvm-73f988cafa3f640bb1d2f694afb878ded5fc8eab.zip | |
JumpThreading keeps LazyValueInfo up to date, so we don't need to rerun it
if we schedule another LVI-using pass afterwards.
llvm-svn: 112722
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/JumpThreading.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/JumpThreading.cpp b/llvm/lib/Transforms/Scalar/JumpThreading.cpp index abf98866aec..6fd8ed10eff 100644 --- a/llvm/lib/Transforms/Scalar/JumpThreading.cpp +++ b/llvm/lib/Transforms/Scalar/JumpThreading.cpp @@ -100,8 +100,10 @@ namespace { bool runOnFunction(Function &F); virtual void getAnalysisUsage(AnalysisUsage &AU) const { - if (EnableLVI) + if (EnableLVI) { AU.addRequired<LazyValueInfo>(); + AU.addPreserved<LazyValueInfo>(); + } } void FindLoopHeaders(Function &F); |
