mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-17 05:29:24 +00:00
Do not add empty live intervals to handled_. They should never be undone for backtracking.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49544 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
f870fbc554
commit
f2b24ca2c7
@ -519,7 +519,6 @@ void RALinScan::assignRegOrStackSlotAtInterval(LiveInterval* cur)
|
||||
DOUT << tri_->getName(physReg) << '\n';
|
||||
// Note the register is not really in use.
|
||||
vrm_->assignVirt2Phys(cur->reg, physReg);
|
||||
handled_.push_back(cur);
|
||||
return;
|
||||
}
|
||||
|
||||
@ -539,7 +538,7 @@ void RALinScan::assignRegOrStackSlotAtInterval(LiveInterval* cur)
|
||||
if (vni->def && vni->def != ~1U && vni->def != ~0U) {
|
||||
MachineInstr *CopyMI = li_->getInstructionFromIndex(vni->def);
|
||||
unsigned SrcReg, DstReg;
|
||||
if (tii_->isMoveInstr(*CopyMI, SrcReg, DstReg)) {
|
||||
if (CopyMI && tii_->isMoveInstr(*CopyMI, SrcReg, DstReg)) {
|
||||
unsigned Reg = 0;
|
||||
if (TargetRegisterInfo::isPhysicalRegister(SrcReg))
|
||||
Reg = SrcReg;
|
||||
|
Loading…
Reference in New Issue
Block a user