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author | Matthias Braun <matze@braunis.de> | 2017-01-27 18:53:07 +0000 |
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committer | Matthias Braun <matze@braunis.de> | 2017-01-27 18:53:07 +0000 |
commit | 0c0aece0793bd08675757c4ce2a1501a83ec64d5 (patch) | |
tree | 412a66d3ee906d356764fac9a6b22cf79ad46899 /lib/CodeGen/ScheduleDAGInstrs.cpp | |
parent | b162af3d1445759b9b3ac49700beec930ad4f7bc (diff) |
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
Diffstat (limited to 'lib/CodeGen/ScheduleDAGInstrs.cpp')
-rw-r--r-- | lib/CodeGen/ScheduleDAGInstrs.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
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); |