[PATCH] D151794: [LoongArch] Add sign extension for i32 parameters and returns.

[Limin Zhang via Phabricator via llvm-commits]

Ami-zhang created this revision.
Ami-zhang added reviewers: SixWeining, wangleiat, MaskRay, xen0n.
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In LoongArch ABI spec, we can see that in the LP64D ABI, unsigned 32-bit
types, such as unsigned int, are stored in general-purpose registers as
proper sign extensions of their 32-bit values.

Reference:
https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html#_abi_lp64d


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D151794

Files:
  llvm/include/llvm/Analysis/TargetLibraryInfo.h
  llvm/test/Instrumentation/AddressSanitizer/experiment.ll
  llvm/test/Instrumentation/AddressSanitizer/mem-intrinsics.ll
  llvm/test/Instrumentation/ThreadSanitizer/atomic.ll

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