6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-21 18:29:45 +00:00
Code Issues Projects Releases Wiki Activity

Don't skip the CopyMI when removing kill markers.

Browse Source 
This should have no effect on generated code, but makes the intermediate state
of the coalescer more sane.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70238 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2009-04-27 19:55:47 +00:00
parent 9771b91c2b
commit 82fd3f3d3a
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/CodeGen/SimpleRegisterCoalescing.cpp
View File

@ -772,8 +772,6 @@ void SimpleRegisterCoalescing::RemoveUnnecessaryKills(unsigned Reg,
if (UseMO.isKill()) {
MachineInstr *UseMI = UseMO.getParent();
unsigned UseIdx = li_->getUseIndex(li_->getInstructionIndex(UseMI));
if (JoinedCopies.count(UseMI))
continue;
const LiveRange *UI = LI.getLiveRangeContaining(UseIdx);
if (!UI || !LI.isKill(UI->valno, UseIdx+1))
UseMO.setIsKill(false);