From: Nick Lewycky <nicholas@mxc.ca>
Date: Thu, 13 Oct 2011 02:16:18 +0000 (+0000)
Subject: If MI is deleted then remove it from the set. If a new MI is created, it could
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=dec1b10161a3bc1b49ab8d35e1bd6488486dfd4a

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 8edc8b6fe09..bbc7ce2d0a4 100644
--- a/lib/CodeGen/PeepholeOptimizer.cpp
+++ b/lib/CodeGen/PeepholeOptimizer.cpp
@@ -433,6 +433,7 @@ bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &MF) {
       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 @@ bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &MF) {
       } else if (MCID.isCompare()) {
         if (OptimizeCmpInstr(MI, MBB)) {
           // MI is deleted.
+          LocalMIs.erase(MI);
           Changed = true;
           MII = First ? I->begin() : llvm::next(PMII);
           continue;