Use KILL instead of IMPLICIT_DEF in LowerSubregs pass.
llvm-svn: 83007
diff --git a/llvm/lib/CodeGen/PostRASchedulerList.cpp b/llvm/lib/CodeGen/PostRASchedulerList.cpp
index 0f2d309..9d75b25 100644
--- a/llvm/lib/CodeGen/PostRASchedulerList.cpp
+++ b/llvm/lib/CodeGen/PostRASchedulerList.cpp
@@ -655,11 +655,11 @@
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