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| author | Evan Cheng <evan.cheng@apple.com> | 2006-05-31 18:03:39 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-05-31 18:03:39 +0000 |
| commit | 4c6f2f9e92eae3e676ee09133e9666567782faa3 (patch) | |
| tree | 6c7727d834531ea915a6b3d596be6a8b9c3d003a | |
| parent | 8874aaef1dcab6a05e60de2d3fdf478bb0ea73df (diff) | |
| download | external_llvm-4c6f2f9e92eae3e676ee09133e9666567782faa3.zip external_llvm-4c6f2f9e92eae3e676ee09133e9666567782faa3.tar.gz external_llvm-4c6f2f9e92eae3e676ee09133e9666567782faa3.tar.bz2 | |
commuteInstruction() does not always create a new MI!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28592 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAG.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp index d2820d9..1d15401 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp @@ -402,8 +402,10 @@ void ScheduleDAG::EmitNode(SDNode *Node, DEBUG(std::cerr << "Sched: COMMUTING FAILED!\n"); else { DEBUG(std::cerr << "Sched: COMMUTED TO: " << *NewMI); - delete MI; - MI = NewMI; + if (MI != NewMI) { + delete MI; + MI = NewMI; + } } } |