[all-commits] [llvm/llvm-project] 760eea: [libclc] Reduce bithacking in CLC frexp (#129871)

[Fraser Cormack via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 760eeac6a22e49a3100c530dd130a7202ae0a56b
      https://github.com/llvm/llvm-project/commit/760eeac6a22e49a3100c530dd130a7202ae0a56b
  Author: Fraser Cormack <fraser at codeplay.com>
  Date:   2025-03-05 (Wed, 05 Mar 2025)

  Changed paths:
    M libclc/clc/lib/generic/math/clc_frexp.cl
    M libclc/clc/lib/generic/math/clc_frexp.inc

  Log Message:
  -----------
  [libclc] Reduce bithacking in CLC frexp (#129871)

Also replace some magic constants with named ones.

Checking against FP zero and using isnan and isinf functions allows the
optimizer to create one unified @llvm.is.fpclass intrinsic. This results
in fewer more canonical IR instructions.



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