From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Mon, 26 Nov 2018 17:02:02 +0000 (+0000)
Subject: AMDGPU: Don't optimize exec masks at -O0
X-Git-Tag: llvmorg-8.0.0-rc1~3600
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=105fc1a5f3b98273acaf58a5738f590f7668af30;p=platform%2Fupstream%2Fllvm.git

AMDGPU: Don't optimize exec masks at -O0

llvm-svn: 347573
---

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
index cdd3017..2198ba8 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
@@ -880,7 +880,8 @@ void GCNPassConfig::addOptimizedRegAlloc(FunctionPass *RegAllocPass) {
 
 void GCNPassConfig::addPostRegAlloc() {
   addPass(&SIFixVGPRCopiesID);
-  addPass(&SIOptimizeExecMaskingID);
+  if (getOptLevel() > CodeGenOpt::None)
+    addPass(&SIOptimizeExecMaskingID);
   TargetPassConfig::addPostRegAlloc();
 }