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-rw-r--r--llvm/lib/Passes/PassBuilderPipelines.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/Passes/PassBuilderPipelines.cpp b/llvm/lib/Passes/PassBuilderPipelines.cpp
index 2d68895..3f3939eaf 100644
--- a/llvm/lib/Passes/PassBuilderPipelines.cpp
+++ b/llvm/lib/Passes/PassBuilderPipelines.cpp
@@ -1658,6 +1658,16 @@ PassBuilder::buildPerModuleDefaultPipeline(OptimizationLevel Level,
ModulePassManager MPM;
+ // Currently this pipeline is only invoked in an LTO pre link pass or when we
+ // are not running LTO. If that changes the below checks may need updating.
+ assert(isLTOPreLink(Phase) || Phase == ThinOrFullLTOPhase::None);
+
+ // If we are invoking this in non-LTO mode, remove any MemProf related
+ // attributes and metadata, as we don't know whether we are linking with
+ // a library containing the necessary interfaces.
+ if (Phase == ThinOrFullLTOPhase::None)
+ MPM.addPass(MemProfRemoveInfo());
+
// Convert @llvm.global.annotations to !annotation metadata.
MPM.addPass(Annotation2MetadataPass());