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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-09-28 20:32:46 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-09-28 20:32:46 +0000 |
| commit | 0bb5af345a6c511b3b6ecb425e46595ce0b7c6e1 (patch) | |
| tree | 06e843c05afde979e4e4a2764c467081398403ea /llvm/lib/CodeGen/PostRASchedulerList.cpp | |
| parent | dc9efe8078baeb01466bfd710d868bd2afd98e82 (diff) | |
| download | bcm5719-llvm-0bb5af345a6c511b3b6ecb425e46595ce0b7c6e1.tar.gz bcm5719-llvm-0bb5af345a6c511b3b6ecb425e46595ce0b7c6e1.zip | |
Use KILL instead of IMPLICIT_DEF in LowerSubregs pass.
llvm-svn: 83007
Diffstat (limited to 'llvm/lib/CodeGen/PostRASchedulerList.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/PostRASchedulerList.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/PostRASchedulerList.cpp b/llvm/lib/CodeGen/PostRASchedulerList.cpp index 0f2d3095ac0..9d75b25b82c 100644 --- a/llvm/lib/CodeGen/PostRASchedulerList.cpp +++ b/llvm/lib/CodeGen/PostRASchedulerList.cpp @@ -655,11 +655,11 @@ bool SchedulePostRATDList::BreakAntiDependencies() { I != E; --Count) { MachineInstr *MI = --I; - // After regalloc, IMPLICIT_DEF instructions aren't safe to treat as - // dependence-breaking. In the case of an INSERT_SUBREG, the IMPLICIT_DEF + // After regalloc, KILL instructions aren't safe to treat as + // dependence-breaking. In the case of an INSERT_SUBREG, the KILL // is left behind appearing to clobber the super-register, while the // subregister needs to remain live. So we just ignore them. - if (MI->getOpcode() == TargetInstrInfo::IMPLICIT_DEF) + if (MI->getOpcode() == TargetInstrInfo::KILL) continue; // Check if this instruction has a dependence on the critical path that |
