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Don't allow the restore point to be placed after terminators. With this change,

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MultiSource/Applications is clean with the prealloc splitter.  Some failures
remain in SPEC.

llvm-svn: 59267
This commit is contained in:
Owen Anderson 2008-11-13 21:53:14 +00:00
parent de9fdff884
commit aa9f1836d9
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/PreAllocSplitting.cpp
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@ -233,13 +233,13 @@ PreAllocSplitting::findRestorePoint(MachineBasicBlock *MBB, MachineInstr *MI,
unsigned &RestoreIndex) {
// FIXME: Allow spill to be inserted to the beginning of the mbb. Update mbb
// begin index accordingly.
MachineBasicBlock::iterator Pt = MBB->end();
MachineBasicBlock::iterator Pt = MBB->getFirstTerminator();
unsigned EndIdx = LIs->getMBBEndIdx(MBB);
// Go bottom up if RefsInMBB is empty and the end of the mbb isn't beyond
// the last index in the live range.
if (RefsInMBB.empty() && LastIdx >= EndIdx) {
MachineBasicBlock::iterator MII = MBB->end();
MachineBasicBlock::iterator MII = MBB->getFirstTerminator();
MachineBasicBlock::iterator EndPt = MI;
--MII;
do {