RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-01-23 20:34:58 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix the new load-unfolding code to update LiveVariable's dead flags,

Browse Source 
in addition to the kill flags.

llvm-svn: 106512
This commit is contained in:
Dan Gohman 2010-06-22 00:32:04 +00:00
parent 6a07aa9ae8
commit ac0b4b5352
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
lib/CodeGen/TwoAddressInstructionPass.cpp
View File

@ -961,8 +961,14 @@ TryInstructionTransform(MachineBasicBlock::iterator &mi,
if (LV) {
for (unsigned i = 0, e = mi->getNumOperands(); i != e; ++i) {
MachineOperand &MO = mi->getOperand(i);
if (MO.isReg() && MO.isUse() && MO.isKill())
LV->replaceKillInstruction(Reg, mi, NewMIs[0]);
if (MO.isReg() && MO.getReg() != 0 &&
TargetRegisterInfo::isVirtualRegister(MO.getReg())) {
if (MO.isUse()) {
if (MO.isKill())
LV->replaceKillInstruction(MO.getReg(), mi, NewMIs[0]);
} else if (LV->removeVirtualRegisterDead(MO.getReg(), mi))
LV->addVirtualRegisterDead(MO.getReg(), NewMIs[1]);
}
}
LV->addVirtualRegisterKilled(Reg, NewMIs[1]);
}