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OpenCilk / opencilk-project

Monorepo for the OpenCilk compiler. Forked from llvm/llvm-project and based on Tapir/LLVM.
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Fix peephole optimization sinking instructions past a sync #142

Closed neboat closed 1 year ago

neboat commented 1 year ago

Fix a bug where the InstCombine pass would sink instructions past a sync. Although this transformation is legal, it's a pessimization.