diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2007-12-03 09:58:48 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-12-03 09:58:48 +0000 |
| commit | 70306f8348f27c61cfed5a60e2fceac0f29746a2 (patch) | |
| tree | 05c66082934a8e22b59607c50ecaf8b35360fda5 /lib/CodeGen/LiveIntervalAnalysis.cpp | |
| parent | 96ea209b52c4f23c41d3202e5d345ad0187c1c18 (diff) | |
Update kill info for uses of split intervals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44531 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index eef117af30..01727c3887 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -923,7 +923,6 @@ rewriteInstructionsForSpills(const LiveInterval &li, bool TrySplit, unsigned NewVReg = 0; unsigned index = getBaseIndex(I->start); unsigned end = getBaseIndex(I->end-1) + InstrSlots::NUM; - bool TrySplitMI = TrySplit && vrm.getPreSplitReg(li.reg) == 0; for (; index != end; index += InstrSlots::NUM) { // skip deleted instructions while (index != end && !getInstructionFromIndex(index)) @@ -933,7 +932,7 @@ rewriteInstructionsForSpills(const LiveInterval &li, bool TrySplit, MachineInstr *MI = getInstructionFromIndex(index); MachineBasicBlock *MBB = MI->getParent(); NewVReg = 0; - if (TrySplitMI) { + if (TrySplit) { std::map<unsigned,unsigned>::const_iterator NVI = MBBVRegsMap.find(MBB->getNumber()); if (NVI != MBBVRegsMap.end()) { @@ -977,7 +976,7 @@ rewriteInstructionsForSpills(const LiveInterval &li, bool TrySplit, // Update weight of spill interval. LiveInterval &nI = getOrCreateInterval(NewVReg); - if (!TrySplitMI) { + if (!TrySplit) { // The spill weight is now infinity as it cannot be spilled again. nI.weight = HUGE_VALF; continue; |