[PATCH] D143646: [RISCV] Return false from shouldFormOverflowOp

[Liao Chunyu via Phabricator via llvm-commits]

liaolucy updated this revision to Diff 499713.
liaolucy added a comment.

A+B u< A is the same result as A+B u< B.
There is no regression now, and there should be no logical problem.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D143646/new/

https://reviews.llvm.org/D143646

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.h
  llvm/test/CodeGen/RISCV/overflow-intrinsics.ll

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