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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-04-02 18:26:45 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-04-02 18:26:45 +0000 |
| commit | 423d6744123e4886f9f79f6273fa345b9cce51a8 (patch) | |
| tree | 2ec927ae3d7c19664d409b9a27beab5aa1318816 /lib/CodeGen | |
| parent | 8396e130427999c57422e52af3913eb8182847e5 (diff) | |
Don't attempt MTM heuristics without a scheduling model present.
This should fix the PPC buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178558 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/EarlyIfConversion.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/EarlyIfConversion.cpp b/lib/CodeGen/EarlyIfConversion.cpp index 5447df09cb..fc767362be 100644 --- a/lib/CodeGen/EarlyIfConversion.cpp +++ b/lib/CodeGen/EarlyIfConversion.cpp @@ -677,6 +677,10 @@ bool EarlyIfConverter::shouldConvertIf() { if (Stress) return true; + // Without a scheduling model, we can't make decisions. + if (!SchedModel->hasInstrSchedModel()) + return false; + if (!MinInstr) MinInstr = Traces->getEnsemble(MachineTraceMetrics::TS_MinInstrCount); |