diff options
| -rw-r--r-- | lib/CodeGen/EarlyIfConversion.cpp | 4 | ||||
| -rw-r--r-- | test/CodeGen/X86/early-ifcvt-crash.ll | 2 |
2 files changed, 6 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); diff --git a/test/CodeGen/X86/early-ifcvt-crash.ll b/test/CodeGen/X86/early-ifcvt-crash.ll index c828026968..d9580503e9 100644 --- a/test/CodeGen/X86/early-ifcvt-crash.ll +++ b/test/CodeGen/X86/early-ifcvt-crash.ll @@ -1,5 +1,7 @@ ; RUN: llc < %s -x86-early-ifcvt -verify-machineinstrs ; RUN: llc < %s -x86-early-ifcvt -stress-early-ifcvt -verify-machineinstrs +; CPU without a scheduling model: +; RUN: llc < %s -x86-early-ifcvt -mcpu=pentium3 -verify-machineinstrs ; ; Run these tests with and without -stress-early-ifcvt to exercise heuristics. ; |