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-rw-r--r--llvm/lib/Passes/PassBuilderPipelines.cpp8
-rw-r--r--llvm/lib/Passes/PassRegistry.def1
2 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/Passes/PassBuilderPipelines.cpp b/llvm/lib/Passes/PassBuilderPipelines.cpp
index 0762c535f7f5..eed29c25714b 100644
--- a/llvm/lib/Passes/PassBuilderPipelines.cpp
+++ b/llvm/lib/Passes/PassBuilderPipelines.cpp
@@ -1604,7 +1604,7 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
}
// Try to run OpenMP optimizations, quick no-op if no OpenMP metadata present.
- MPM.addPass(OpenMPOptPass());
+ MPM.addPass(OpenMPOptPass(ThinOrFullLTOPhase::FullLTOPostLink));
// Remove unused virtual tables to improve the quality of code generated by
// whole-program devirtualization and bitset lowering.
@@ -1712,6 +1712,9 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
// Optimize globals again after we ran the inliner.
MPM.addPass(GlobalOptPass());
+ // Run the OpenMPOpt pass again after global optimizations.
+ MPM.addPass(OpenMPOptPass(ThinOrFullLTOPhase::FullLTOPostLink));
+
// Garbage collect dead functions.
MPM.addPass(GlobalDCEPass());
@@ -1808,7 +1811,8 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
addVectorPasses(Level, MainFPM, /* IsFullLTO */ true);
// Run the OpenMPOpt CGSCC pass again late.
- MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(OpenMPOptCGSCCPass()));
+ MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(
+ OpenMPOptCGSCCPass(ThinOrFullLTOPhase::FullLTOPostLink)));
invokePeepholeEPCallbacks(MainFPM, Level);
MainFPM.addPass(JumpThreadingPass());
diff --git a/llvm/lib/Passes/PassRegistry.def b/llvm/lib/Passes/PassRegistry.def
index ad44d86ea1a7..10af4160c545 100644
--- a/llvm/lib/Passes/PassRegistry.def
+++ b/llvm/lib/Passes/PassRegistry.def
@@ -44,6 +44,7 @@ MODULE_PASS("always-inline", AlwaysInlinerPass())
MODULE_PASS("attributor", AttributorPass())
MODULE_PASS("annotation2metadata", Annotation2MetadataPass())
MODULE_PASS("openmp-opt", OpenMPOptPass())
+MODULE_PASS("openmp-opt-postlink", OpenMPOptPass(ThinOrFullLTOPhase::FullLTOPostLink))
MODULE_PASS("called-value-propagation", CalledValuePropagationPass())
MODULE_PASS("canonicalize-aliases", CanonicalizeAliasesPass())
MODULE_PASS("cg-profile", CGProfilePass())