RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-01-04 01:51:31 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fixes the bug exposed by Anton's test case in PR 5495:

Browse Source 
Make sure when ProcessImplicitDefs removes a copy which kills its source reg that it
removes the copy from said reg's Kills list.

llvm-svn: 88881
This commit is contained in:
Lang Hames 2009-11-16 02:07:31 +00:00
parent ce9d705846
commit bd7b181f94
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/CodeGen/ProcessImplicitDefs.cpp
View File

@ -209,6 +209,10 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) {
unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
if (tii_->isMoveInstr(*RMI, SrcReg, DstReg, SrcSubReg, DstSubReg) &&
Reg == SrcReg) {
if (RMO.isKill()) {
LiveVariables::VarInfo& vi = lv_->getVarInfo(Reg);
vi.removeKill(RMI);
}
RMI->setDesc(tii_->get(TargetInstrInfo::IMPLICIT_DEF));
for (int j = RMI->getNumOperands() - 1, ee = 0; j > ee; --j)
RMI->RemoveOperand(j);