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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151167 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2012-02-22 16:50:46 +00:00
parent dfb4fe2862
commit 91ba63d230
1 changed files with 5 additions and 3 deletions
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8
lib/CodeGen/RegAllocFast.cpp
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@ -232,7 +232,8 @@ void RAFast::addKillFlag(const LiveReg &LR) {
/// killVirtReg - Mark virtreg as no longer available.
void RAFast::killVirtReg(LiveRegMap::iterator LRI) {
addKillFlag(*LRI);
assert(PhysRegState[LRI->PhysReg] == LRI->VirtReg && "Broken RegState mapping");
assert(PhysRegState[LRI->PhysReg] == LRI->VirtReg &&
"Broken RegState mapping");
PhysRegState[LRI->PhysReg] = regFree;
// Erase from LiveVirtRegs unless we're spilling in bulk.
if (!isBulkSpilling)
@ -304,8 +305,9 @@ void RAFast::spillVirtReg(MachineBasicBlock::iterator MI,
DEBUG(dbgs() << "Inserting debug info due to spill:" << "\n" << *NewDV);
}
}
// Now this register is spilled there is should not be any DBG_VALUE pointing
// to this register because they are all pointing to spilled value now.
// Now this register is spilled there is should not be any DBG_VALUE
// pointing to this register because they are all pointing to spilled value
// now.
LRIDbgValues.clear();
if (SpillKill)
LR.LastUse = 0; // Don't kill register again