[all-commits] [llvm/llvm-project] 688119: [flang] Respect math flags during conversions (#21...

[jon-gibney via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 688119653fd40fa46244e1c300e728677a4f001a
      https://github.com/llvm/llvm-project/commit/688119653fd40fa46244e1c300e728677a4f001a
  Author: jon-gibney <jonathon.gibney at hpe.com>
  Date:   2026-09-14 (Mon, 14 Sep 2026)

  Changed paths:
    M flang/include/flang/Optimizer/CodeGen/CGPasses.td
    M flang/include/flang/Optimizer/CodeGen/CodeGen.h
    M flang/lib/Optimizer/CodeGen/CodeGen.cpp
    M flang/lib/Optimizer/Passes/Pipelines.cpp
    A flang/test/Fir/convert-to-llvm-unsafe-fp-conversion.fir

  Log Message:
  -----------
  [flang] Respect math flags during conversions (#214311)

We normally use saturating intrinsics when converting from fp to
integers, but when running with -ffast-math we can just use
fptosi/fptoui, which avoids generating expensive overflow/NAN checks.

Assisted-by: Claude Opus



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