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| author | Yaxun Liu <Yaxun.Liu@amd.com> | 2018-01-23 16:04:53 +0000 |
|---|---|---|
| committer | Yaxun Liu <Yaxun.Liu@amd.com> | 2018-01-23 16:04:53 +0000 |
| commit | 8b7454a8dd9ff87bda73068db6d669a6a4903021 (patch) | |
| tree | c40e805e872cbc31b3983df5a4c5ae3f89b5476a /llvm/lib/CodeGen/MachineScheduler.cpp | |
| parent | c58c2b5c9b8767a92338301100d4502041bfa9fe (diff) | |
| download | bcm5719-llvm-8b7454a8dd9ff87bda73068db6d669a6a4903021.tar.gz bcm5719-llvm-8b7454a8dd9ff87bda73068db6d669a6a4903021.zip | |
CodeGen: Fix assertion in ScheduleDAGMILive::scheduleMI due to llvm.dbg.value
Fix a bug in ScheduleDAGMILive::scheduleMI which causes BotRPTracker not tracking CurrentBottom in some rare cases involving llvm.dbg.value.
This issues causes amdgcn target to assert when compiling some user codes with -g.
Differential Revision: https://reviews.llvm.org/D42394
llvm-svn: 323214
Diffstat (limited to 'llvm/lib/CodeGen/MachineScheduler.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineScheduler.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp index e15eb658a05..f37479ea964 100644 --- a/llvm/lib/CodeGen/MachineScheduler.cpp +++ b/llvm/lib/CodeGen/MachineScheduler.cpp @@ -1449,6 +1449,7 @@ void ScheduleDAGMILive::scheduleMI(SUnit *SU, bool IsTopNode) { } moveInstruction(MI, CurrentBottom); CurrentBottom = MI; + BotRPTracker.setPos(CurrentBottom); } if (ShouldTrackPressure) { RegisterOperands RegOpers; |
