diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/EarlyCSE.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/EarlyCSE.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp index 6d1362a6a28..1066dc33007 100644 --- a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp +++ b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp @@ -709,6 +709,12 @@ bool EarlyCSE::processNode(DomTreeNode *Node) { continue; } + // Skip sideeffect intrinsics, for the same reason as assume intrinsics. + if (match(Inst, m_Intrinsic<Intrinsic::sideeffect>())) { + DEBUG(dbgs() << "EarlyCSE skipping sideeffect: " << *Inst << '\n'); + continue; + } + // Skip invariant.start intrinsics since they only read memory, and we can // forward values across it. Also, we dont need to consume the last store // since the semantics of invariant.start allow us to perform DSE of the |
