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| author | Andrew Trick <atrick@apple.com> | 2013-04-13 06:07:45 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2013-04-13 06:07:45 +0000 |
| commit | 6a22dba4854a8b3d7427f8493f663c1b52df4477 (patch) | |
| tree | 1adc60785dab2b5e96518ec647f6b6202476d4fc /lib/CodeGen/TargetSchedule.cpp | |
| parent | f521997303553846685409630fca2b46758b6eac (diff) | |
| download | llvm-6a22dba4854a8b3d7427f8493f663c1b52df4477.tar.gz llvm-6a22dba4854a8b3d7427f8493f663c1b52df4477.tar.bz2 llvm-6a22dba4854a8b3d7427f8493f663c1b52df4477.tar.xz | |
MI-Sched cleanup. If an instruction has no valid sched class, do not attempt to check for a variant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179451 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TargetSchedule.cpp')
| -rw-r--r-- | lib/CodeGen/TargetSchedule.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/TargetSchedule.cpp b/lib/CodeGen/TargetSchedule.cpp index 783bfa1c1a..1bf14dbcef 100644 --- a/lib/CodeGen/TargetSchedule.cpp +++ b/lib/CodeGen/TargetSchedule.cpp @@ -128,6 +128,8 @@ resolveSchedClass(const MachineInstr *MI) const { // Get the definition's scheduling class descriptor from this machine model. unsigned SchedClass = MI->getDesc().getSchedClass(); const MCSchedClassDesc *SCDesc = SchedModel.getSchedClassDesc(SchedClass); + if (!SCDesc->isValid()) + return SCDesc; #ifndef NDEBUG unsigned NIter = 0; |