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| author | Pete Cooper <peter_cooper@apple.com> | 2011-11-08 19:30:00 +0000 |
|---|---|---|
| committer | Pete Cooper <peter_cooper@apple.com> | 2011-11-08 19:30:00 +0000 |
| commit | 2d76a7846200fcbe518e6f73291a6cbda8864ea0 (patch) | |
| tree | 46b5600dc47195898de1d3dc12ff7beb87c50567 /lib | |
| parent | 67a917d495d38004e3a4a134eec81b312a71a164 (diff) | |
| download | llvm-2d76a7846200fcbe518e6f73291a6cbda8864ea0.tar.gz llvm-2d76a7846200fcbe518e6f73291a6cbda8864ea0.tar.bz2 llvm-2d76a7846200fcbe518e6f73291a6cbda8864ea0.tar.xz | |
LICM pass now understands invariant load metadata. Nothing generates this yet so it will currently never get used in real tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144107 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Transforms/Scalar/LICM.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp index b79bb1300f..8098b3608e 100644 --- a/lib/Transforms/Scalar/LICM.cpp +++ b/lib/Transforms/Scalar/LICM.cpp @@ -369,6 +369,8 @@ bool LICM::canSinkOrHoistInst(Instruction &I) { // in the same alias set as something that ends up being modified. if (AA->pointsToConstantMemory(LI->getOperand(0))) return true; + if (LI->getMetadata(LI->getContext().getMDKindID("invariant.load"))) + return true; // Don't hoist loads which have may-aliased stores in loop. uint64_t Size = 0; |