[PATCH] D105056: [OpenMP] Run the OpenMPOpt module pass at O1

[Joseph Huber via Phabricator via llvm-commits]

jhuber6 created this revision.
jhuber6 added a reviewer: jdoerfert.
Herald added subscribers: guansong, hiraditya, yaxunl.
jhuber6 requested review of this revision.
Herald added subscribers: llvm-commits, sstefan1.
Herald added a project: LLVM.

Now that the OpenMPOpt module pass include important optimizations for removing
globalization from offloading regions it should be run at a lower optimization
level.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D105056

Files:
  llvm/lib/Passes/PassBuilder.cpp


Index: llvm/lib/Passes/PassBuilder.cpp
===================================================================
--- llvm/lib/Passes/PassBuilder.cpp
+++ llvm/lib/Passes/PassBuilder.cpp
@@ -1116,7 +1116,7 @@
 
   // Try to perform OpenMP specific optimizations on the module. This is a
   // (quick!) no-op if there are no OpenMP runtime calls present in the module.
-  if (Level == OptimizationLevel::O2 || Level == OptimizationLevel::O3)
+  if (Level != OptimizationLevel::O0)
     MPM.addPass(OpenMPOptPass());
 
   if (AttributorRun & AttributorRunOption::MODULE)


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