From 0c0aece0793bd08675757c4ce2a1501a83ec64d5 Mon Sep 17 00:00:00 2001 From: Matthias Braun Date: Fri, 27 Jan 2017 18:53:07 +0000 Subject: [PATCH] ScheduleDAGInstrs: Do not try to toggle kill flags on debug uses Preparation for upcoming changes. No testcase as none of the public targets bundles early enough and has a post machine scheduler enabled at the same time. The error is also easily catched by asserts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293324 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/ScheduleDAGInstrs.cpp | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp index 520a6ff7563..b5c04497fbb 100644 --- a/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -1159,6 +1159,9 @@ static void toggleBundleKillFlag(MachineInstr *MI, unsigned Reg, } void ScheduleDAGInstrs::toggleKillFlag(MachineInstr &MI, MachineOperand &MO) { + if (MO.isDebug()) + return; + // Setting kill flag... if (!MO.isKill()) { MO.setIsKill(true);