commit 9ab1c0ddd074d314c42f7c23cfa4396573f24c85
author Steven Perron <stevenperron@google.com> Mon Jan 28 11:50:50 2019 -0500
committer GitHub <noreply@github.com> Mon Jan 28 11:50:50 2019 -0500
tree fd485555365d53068e7a7701eff5893bdef130fe
parent 98c67d3850d81ff9181952e26f6c5d499517d49b

Remove code sinking for -O. (#2340)

Community feedback says it is not generaly benificial, so we will remove
it from the standard optimization set.

source/opt/optimizer.cpp

diff --git a/source/opt/optimizer.cpp b/source/opt/optimizer.cpp
index 30e80d7..4eb0c40 100644
--- a/source/opt/optimizer.cpp
+++ b/source/opt/optimizer.cpp
@@ -182,8 +182,7 @@
       .RegisterPass(CreateRedundancyEliminationPass())
       .RegisterPass(CreateDeadBranchElimPass())
       .RegisterPass(CreateBlockMergePass())
-      .RegisterPass(CreateSimplificationPass())
-      .RegisterPass(CreateCodeSinkingPass());
+      .RegisterPass(CreateSimplificationPass());
   // Currently exposing driver bugs resulting in crashes (#946)
   // .RegisterPass(CreateCommonUniformElimPass())
 }