If MI is deleted then remove it from the set. If a new MI is created, it could
have the same address as the one we deleted, and we don't want that in the set
yet. Noticed by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141849 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PeepholeOptimizer.cpp b/lib/CodeGen/PeepholeOptimizer.cpp
index 8edc8b6..bbc7ce2 100644
--- a/lib/CodeGen/PeepholeOptimizer.cpp
+++ b/lib/CodeGen/PeepholeOptimizer.cpp
@@ -433,6 +433,7 @@
if (MCID.isBitcast()) {
if (OptimizeBitcastInstr(MI, MBB)) {
// MI is deleted.
+ LocalMIs.erase(MI);
Changed = true;
MII = First ? I->begin() : llvm::next(PMII);
continue;
@@ -440,6 +441,7 @@
} else if (MCID.isCompare()) {
if (OptimizeCmpInstr(MI, MBB)) {
// MI is deleted.
+ LocalMIs.erase(MI);
Changed = true;
MII = First ? I->begin() : llvm::next(PMII);
continue;