diff options
Diffstat (limited to 'contrib/llvm/lib/Transforms/Scalar/EarlyCSE.cpp')
| -rw-r--r-- | contrib/llvm/lib/Transforms/Scalar/EarlyCSE.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Transforms/Scalar/EarlyCSE.cpp b/contrib/llvm/lib/Transforms/Scalar/EarlyCSE.cpp index 394b0d3d..969b9a8 100644 --- a/contrib/llvm/lib/Transforms/Scalar/EarlyCSE.cpp +++ b/contrib/llvm/lib/Transforms/Scalar/EarlyCSE.cpp @@ -480,6 +480,9 @@ bool EarlyCSE::processNode(DomTreeNode *Node) { // Ignore volatile loads. if (!LI->isSimple()) { LastStore = nullptr; + // Don't CSE across synchronization boundaries. + if (Inst->mayWriteToMemory()) + ++CurrentGeneration; continue; } |
