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authorEvan Cheng <evan.cheng@apple.com>2008-02-13 09:18:16 +0000
committerEvan Cheng <evan.cheng@apple.com>2008-02-13 09:18:16 +0000
commitb1f6f913938362b5181bbb0383d6b85f4a81c511 (patch)
treea2dd635617e7310e2bc43c8a154eff214afbcc7b
parent9cec00e7f1dec7c3142d81c1256d198afa3718d3 (diff)
Simplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47059 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--include/llvm/CodeGen/LiveIntervalAnalysis.h16
1 files changed, 8 insertions, 8 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h
index 6bc02526a3..1667ee3a75 100644
--- a/include/llvm/CodeGen/LiveIntervalAnalysis.h
+++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h
@@ -217,14 +217,14 @@ namespace llvm {
/// maps used by register allocator.
void ReplaceMachineInstrInMaps(MachineInstr *MI, MachineInstr *NewMI) {
Mi2IndexMap::iterator mi2i = mi2iMap_.find(MI);
- if (mi2i != mi2iMap_.end()) {
- i2miMap_[mi2i->second/InstrSlots::NUM] = NewMI;
- Mi2IndexMap::const_iterator it = mi2iMap_.find(MI);
- assert(it != mi2iMap_.end() && "Invalid instruction!");
- unsigned Index = it->second;
- mi2iMap_.erase(MI);
- mi2iMap_[NewMI] = Index;
- }
+ if (mi2i == mi2iMap_.end())
+ return;
+ i2miMap_[mi2i->second/InstrSlots::NUM] = NewMI;
+ Mi2IndexMap::iterator it = mi2iMap_.find(MI);
+ assert(it != mi2iMap_.end() && "Invalid instruction!");
+ unsigned Index = it->second;
+ mi2iMap_.erase(it);
+ mi2iMap_[NewMI] = Index;
}
BumpPtrAllocator& getVNInfoAllocator() { return VNInfoAllocator; }