From 8fbfc59164b37f27854e3283c7c8812c8154f942 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Tue, 2 Apr 2013 18:26:45 +0000
Subject: Don't attempt MTM heuristics without a scheduling model present.

This should fix the PPC buildbots.

llvm-svn: 178558
---
 llvm/lib/CodeGen/EarlyIfConversion.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'llvm/lib/CodeGen/EarlyIfConversion.cpp')

diff --git a/llvm/lib/CodeGen/EarlyIfConversion.cpp b/llvm/lib/CodeGen/EarlyIfConversion.cpp
index 5447df09cbb..fc767362be7 100644
--- a/llvm/lib/CodeGen/EarlyIfConversion.cpp
+++ b/llvm/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);
 
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