6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-25 13:24:46 +00:00
Code Issues Projects Releases Wiki Activity

Replace LiveInterval::killedAt with isKilledAtInstr.

Browse Source 
Return true for LRGs that end at EarlyClobber or Register slots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189642 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2013-08-30 04:31:01 +00:00
parent da6fc15f0f
commit 1362dcb589
3 changed files with 11 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/CodeGen/RegisterPressure.cpp
View File

@@ -496,7 +496,7 @@ bool RegPressureTracker::recede(PressureDiff *PDiff) {
// Adjust liveouts if LiveIntervals are available.
if (RequireIntervals) {
const LiveInterval *LI = getInterval(Reg);
if (LI && !LI->killedAt(SlotIdx))
if (LI && !LI->isKilledAtInstr(SlotIdx))
discoverLiveOut(Reg);
}
increaseRegPressure(Reg);
@@ -550,7 +550,7 @@ bool RegPressureTracker::advance() {
bool lastUse = false;
if (RequireIntervals) {
const LiveInterval *LI = getInterval(Reg);
lastUse = LI && LI->killedAt(SlotIdx);
lastUse = LI && LI->isKilledAtInstr(SlotIdx);
}
else {
// Allocatable physregs are always single-use before register rewriting.
@@ -886,7 +886,7 @@ void RegPressureTracker::bumpDownwardPressure(const MachineInstr *MI) {
// to be bottom-scheduled to avoid searching uses at each query.
SlotIndex CurrIdx = getCurrSlot();
const LiveInterval *LI = getInterval(Reg);
if (LI && LI->killedAt(SlotIdx)
if (LI && LI->isKilledAtInstr(SlotIdx)
&& !findUseBetween(Reg, CurrIdx, SlotIdx, MRI, LIS)) {
decreaseRegPressure(Reg);
}