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

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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59267 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2008-11-13 21:53:14 +00:00
parent 330169fa3e
commit 711fd3db2d

View File

@ -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 {