[llvm] r210263 - [SystemZ] Do not install IfConverter pass at -O0

[Ulrich Weigand]

Author: uweigand
Date: Thu Jun  5 09:20:10 2014
New Revision: 210263

URL: http://llvm.org/viewvc/llvm-project?rev=210263&view=rev
Log:
[SystemZ] Do not install IfConverter pass at -O0

When not optimizing, do not run the IfConverter pass, this makes
debugging more difficult (and causes a testsuite failure in
DebugInfo/unconditional-branch.ll).


Modified:
    llvm/trunk/lib/Target/SystemZ/SystemZTargetMachine.cpp

Modified: llvm/trunk/lib/Target/SystemZ/SystemZTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZTargetMachine.cpp?rev=210263&r1=210262&r2=210263&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZTargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZTargetMachine.cpp Thu Jun  5 09:20:10 2014
@@ -65,7 +65,8 @@ bool SystemZPassConfig::addInstSelector(
 }
 
 bool SystemZPassConfig::addPreSched2() {
-  if (getSystemZTargetMachine().getSubtargetImpl()->hasLoadStoreOnCond())
+  if (getOptLevel() != CodeGenOpt::None &&
+      getSystemZTargetMachine().getSubtargetImpl()->hasLoadStoreOnCond())
     addPass(&IfConverterID);
   return true;
 }