Detect and handle COPY in many places.
This code is transitional, it will soon be possible to eliminate
isExtractSubreg, isInsertSubreg, and isMoveInstr in most places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107547 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineCSE.cpp b/lib/CodeGen/MachineCSE.cpp
index 72474bc..f399c1e 100644
--- a/lib/CodeGen/MachineCSE.cpp
+++ b/lib/CodeGen/MachineCSE.cpp
@@ -241,8 +241,8 @@
static bool isCopy(const MachineInstr *MI, const TargetInstrInfo *TII) {
unsigned SrcReg, DstReg, SrcSubIdx, DstSubIdx;
- return TII->isMoveInstr(*MI, SrcReg, DstReg, SrcSubIdx, DstSubIdx) ||
- MI->isExtractSubreg() || MI->isInsertSubreg() || MI->isSubregToReg();
+ return MI->isCopyLike() ||
+ TII->isMoveInstr(*MI, SrcReg, DstReg, SrcSubIdx, DstSubIdx);
}
bool MachineCSE::isCSECandidate(MachineInstr *MI) {