From 3de0791144be11b7121478f78dda9e35dedb6d0b Mon Sep 17 00:00:00 2001 From: Matthias Braun Date: Mon, 26 Sep 2016 18:38:05 +0000 Subject: [PATCH] MachineInstr: Fix comment typo, further refine comment; NFC llvm-svn: 282424 --- llvm/include/llvm/CodeGen/MachineInstr.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/llvm/include/llvm/CodeGen/MachineInstr.h b/llvm/include/llvm/CodeGen/MachineInstr.h index c645c20..b99dbf0f 100644 --- a/llvm/include/llvm/CodeGen/MachineInstr.h +++ b/llvm/include/llvm/CodeGen/MachineInstr.h @@ -722,8 +722,10 @@ public: }; /// Return true if this instruction is identical to \p Other. - /// Identical meaning same opcode and all operands reported as - /// isIdenticalOp() (equal except for liveness flags). + /// Two instructions are identical if they have the same opcode and all their + /// operands are identical (with respect to MachineOperand::isIdenticalTo()). + /// Note that this means liveness related flags (dead, undef, kill) do not + /// affect the notion of identical. bool isIdenticalTo(const MachineInstr &Other, MICheckType Check = CheckDefs) const; -- 2.7.4