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[DAGCombiner] Add basic support for `trunc nsw/nuw`#113808

Merged

dtcxzyw merged 8 commits intollvm:mainllvm/llvm-project:mainfrom

dtcxzyw:perf/trunc-nsw-nuw-codegendtcxzyw/llvm-project:perf/trunc-nsw-nuw-codegenCopy head branch name to clipboard

Nov 6, 2024

Conversation Commits8 (8)Checks Files changed

Merged

[DAGCombiner] Add basic support for `trunc nsw/nuw`#113808
dtcxzyw merged 8 commits intollvm:mainfrom
dtcxzyw:perf/trunc-nsw-nuw-codegen

Commits

Commits on Nov 6, 2024

[DAGCombiner] Add pre-commit tests. NFC.
dtcxzyw
committed
[DAGCombiner] Add basic support for `trunc nsw/nuw`
dtcxzyw
committed
[DAGCombiner] Propagate nsw/nuw flags
dtcxzyw
committed
[DAGCombiner] Add miscompilation reproducer. NFC.
dtcxzyw
committed
[TargetLowering] Drop nuw/nsw flags in `TargetLowering::SimplifyDemandedBits`
dtcxzyw
committed
[TargetLowering] Use `dropFlags` API. NFC.
dtcxzyw
committed
[SDAG] Remove else after return. NFC.
dtcxzyw
committed
[TargetLowering] Remove unused variable. NFC.
dtcxzyw
committed

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