[AArch64] Redundant masks in downcast long multiply
Adds patterns to catch masks preceeding a long multiply,
and generating a single umull/smull instruction instead.
Differential revision: https://reviews.llvm.org/D89956
Description
Description
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Details
- Committed
NickGuy Nov 3 2020, 2:12 AM - Differential Revision
- D89956: [AArch64] Redundant masks in downcast long multiply
- Parents
- rGcfc32267e27f: Provide a hook to customize missing library error handling
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