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| author | Duncan Sands <baldrick@free.fr> | 2009-05-06 06:49:50 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2009-05-06 06:49:50 +0000 |
| commit | 7af1c78b98d2df7d0ab9154461ca3d835706716e (patch) | |
| tree | 36e5d75294f6632cb5486c95675e0f2b6d13de86 /lib/Transforms/Scalar/LoopIndexSplit.cpp | |
| parent | e031e4bcb91ceafa2ddf0a7480a7135bdf5ebd57 (diff) | |
| download | external_llvm-7af1c78b98d2df7d0ab9154461ca3d835706716e.zip external_llvm-7af1c78b98d2df7d0ab9154461ca3d835706716e.tar.gz external_llvm-7af1c78b98d2df7d0ab9154461ca3d835706716e.tar.bz2 | |
Allow readonly functions to unwind exceptions. Teach
the optimizers about this. For example, a readonly
function with no uses cannot be removed unless it is
also marked nounwind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71071 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopIndexSplit.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopIndexSplit.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp index ffa1d90..40d2e4a 100644 --- a/lib/Transforms/Scalar/LoopIndexSplit.cpp +++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp @@ -1148,7 +1148,7 @@ bool LoopIndexSplit::cleanBlock(BasicBlock *BB) { || isa<DbgInfoIntrinsic>(I)) continue; - if (I->mayWriteToMemory()) + if (I->mayHaveSideEffects()) return false; // I is used only inside this block then it is OK. |