[CodeGen] Fix AtomicExpand invalidation issue caused by r247429.
llvm-svn: 247514
diff --git a/llvm/lib/CodeGen/AtomicExpandPass.cpp b/llvm/lib/CodeGen/AtomicExpandPass.cpp
index 2c2a08fb..73102cc 100644
--- a/llvm/lib/CodeGen/AtomicExpandPass.cpp
+++ b/llvm/lib/CodeGen/AtomicExpandPass.cpp
@@ -505,8 +505,10 @@
}
bool AtomicExpand::simplifyIdempotentRMW(AtomicRMWInst* RMWI) {
- if (auto ResultingLoad = TLI->lowerIdempotentRMWIntoFencedLoad(RMWI))
- return tryExpandAtomicLoad(ResultingLoad);
+ if (auto ResultingLoad = TLI->lowerIdempotentRMWIntoFencedLoad(RMWI)) {
+ tryExpandAtomicLoad(ResultingLoad);
+ return true;
+ }
return false;
}