[PATCH] D58881: [Transform] Improve fold of sadd.with.overflow

[Dan Robertson via Phabricator via llvm-commits]

dlrobertson created this revision.
dlrobertson added a reviewer: nikic.
Herald added subscribers: llvm-commits, jdoerfert, hiraditya.
Herald added a project: LLVM.

Fold `add nsw` + `sadd.with.overflow` with constants in some cases.

Fixes: https://bugs.llvm.org/show_bug.cgi?id=38146


Repository:
  rL LLVM

https://reviews.llvm.org/D58881

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/lib/Transforms/InstCombine/InstCombineInternal.h
  llvm/test/Transforms/InstCombine/call-add-with-overflow.ll

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