[all-commits] [llvm/llvm-project] 4fc068: [InstCombine] add tests for clamp patterns using m...

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  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4fc068eb82c8190308b3e09c2aecbd1a635317f8
      https://github.com/llvm/llvm-project/commit/4fc068eb82c8190308b3e09c2aecbd1a635317f8
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2021-04-27 (Tue, 27 Apr 2021)

  Changed paths:
    M llvm/test/Transforms/InstCombine/minmax-intrinsics.ll

  Log Message:
  -----------
  [InstCombine] add tests for clamp patterns using min/max intrinsics; NFC


  Commit: 025bb52903792de3dd29667d42c97fdf13a00f2b
      https://github.com/llvm/llvm-project/commit/025bb52903792de3dd29667d42c97fdf13a00f2b
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2021-04-27 (Tue, 27 Apr 2021)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
    M llvm/test/Transforms/InstCombine/minmax-intrinsics.ll

  Log Message:
  -----------
  [InstCombine] fold clamp to 2 values from min/max intrinsics

The "select" versions of these folds is also missing and can
cause infinite loops as shown in:
https://llvm.org/PR48900
...but it seems easier to match these as max/min as a first fix.

https://alive2.llvm.org/ce/z/wv-_dT


Compare: https://github.com/llvm/llvm-project/compare/0a82d885a4fc...025bb5290379