diff options
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
-rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index ed7bef667e77..4a06704a8876 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -1,9 +1,8 @@ //===- llvm/CodeGen/VirtRegMap.cpp - Virtual Register Map -----------------===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -385,7 +384,7 @@ void VirtRegRewriter::handleIdentityCopy(MachineInstr &MI) const { // give us additional liveness information: The target (super-)register // must not be valid before this point. Replace the COPY with a KILL // instruction to maintain this information. - if (MI.getOperand(0).isUndef() || MI.getNumOperands() > 2) { + if (MI.getOperand(1).isUndef() || MI.getNumOperands() > 2) { MI.setDesc(TII->get(TargetOpcode::KILL)); LLVM_DEBUG(dbgs() << " replace by: " << MI); return; |