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-rw-r--r--include/llvm/CodeGen/MachineInstr.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 07a14cf0c1..788d149c86 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -278,6 +278,9 @@ public:
bool isCopy() const {
return getOpcode() == TargetOpcode::COPY;
}
+ bool isFullCopy() const {
+ return isCopy() && !getOperand(0).getSubReg() && !getOperand(1).getSubReg();
+ }
/// isCopyLike - Return true if the instruction behaves like a copy.
/// This does not include native copy instructions.