[llvm] r347573 - AMDGPU: Don't optimize exec masks at -O0

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Mon Nov 26 09:02:02 2018
New Revision: 347573

URL: http://llvm.org/viewvc/llvm-project?rev=347573&view=rev
Log:
AMDGPU: Don't optimize exec masks at -O0

Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp?rev=347573&r1=347572&r2=347573&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp Mon Nov 26 09:02:02 2018
@@ -880,7 +880,8 @@ void GCNPassConfig::addOptimizedRegAlloc
 
 void GCNPassConfig::addPostRegAlloc() {
   addPass(&SIFixVGPRCopiesID);
-  addPass(&SIOptimizeExecMaskingID);
+  if (getOptLevel() > CodeGenOpt::None)
+    addPass(&SIOptimizeExecMaskingID);
   TargetPassConfig::addPostRegAlloc();
 }