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| author | Andrew Trick <atrick@apple.com> | 2012-04-13 23:29:54 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-04-13 23:29:54 +0000 |
| commit | 007079201276368736fc893d4d5ec7aeeca00823 (patch) | |
| tree | a10f76b12b2b8554c51151d7f62d7b7781a61afc /lib/CodeGen/ScheduleDAGInstrs.cpp | |
| parent | 6335e41d38ff85c263451c5cd71b2588c5cc74cc (diff) | |
| download | llvm-007079201276368736fc893d4d5ec7aeeca00823.tar.gz llvm-007079201276368736fc893d4d5ec7aeeca00823.tar.bz2 llvm-007079201276368736fc893d4d5ec7aeeca00823.tar.xz | |
misched: Added CanHandleTerminators.
This is a special flag for targets that really want their block
terminators in the DAG. The default scheduler cannot handle this
correctly, so it becomes the specialized scheduler's responsibility to
schedule terminators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154712 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ScheduleDAGInstrs.cpp')
| -rw-r--r-- | lib/CodeGen/ScheduleDAGInstrs.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp index 6be1ab7f5b..d46eb896e5 100644 --- a/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -39,8 +39,8 @@ ScheduleDAGInstrs::ScheduleDAGInstrs(MachineFunction &mf, LiveIntervals *lis) : ScheduleDAG(mf), MLI(mli), MDT(mdt), MFI(mf.getFrameInfo()), InstrItins(mf.getTarget().getInstrItineraryData()), LIS(lis), - IsPostRA(IsPostRAFlag), UnitLatencies(false), LoopRegs(MLI, MDT), - FirstDbgValue(0) { + IsPostRA(IsPostRAFlag), UnitLatencies(false), CanHandleTerminators(false), + LoopRegs(MLI, MDT), FirstDbgValue(0) { assert((IsPostRA || LIS) && "PreRA scheduling requires LiveIntervals"); DbgValues.clear(); assert(!(IsPostRA && MRI.getNumVirtRegs()) && @@ -554,7 +554,7 @@ void ScheduleDAGInstrs::buildSchedGraph(AliasAnalysis *AA) { continue; } - assert(!MI->isTerminator() && !MI->isLabel() && + assert((!MI->isTerminator() || CanHandleTerminators) && !MI->isLabel() && "Cannot schedule terminators or labels!"); SUnit *SU = MISUnitMap[MI]; |