[all-commits] [llvm/llvm-project] f71e4e: [InstSimplify] Handle nsz when simplifying X * 0.0...

[Nadharm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f71e4e9bc2b6cd1444ab2a395a1ce20d486362de
      https://github.com/llvm/llvm-project/commit/f71e4e9bc2b6cd1444ab2a395a1ce20d486362de
  Author: Nadharm <ndhiantravan at nvidia.com>
  Date:   2025-05-31 (Sat, 31 May 2025)

  Changed paths:
    M llvm/lib/Analysis/InstructionSimplify.cpp
    M llvm/test/Transforms/InstSimplify/floating-point-arithmetic.ll

  Log Message:
  -----------
  [InstSimplify] Handle nsz when simplifying X * 0.0 (#142181)

If ValueTracking can guarantee non-NaN and non-INF and the `nsz`
fast-math flag is set, we can simplify X * 0.0 ==> 0.0.

https://alive2.llvm.org/ce/z/XacRQZ



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