[all-commits] [llvm/llvm-project] 088aa8: Constant Fold logf128 calls

[Matthew Devereau via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 088aa81a545421933254f19cd3c8914a0373b493
      https://github.com/llvm/llvm-project/commit/088aa81a545421933254f19cd3c8914a0373b493
  Author: Matt Devereau <matthew.devereau at arm.com>
  Date:   2024-05-01 (Wed, 01 May 2024)

  Changed paths:
    M llvm/CMakeLists.txt
    M llvm/cmake/config-ix.cmake
    M llvm/include/llvm/ADT/APFloat.h
    M llvm/include/llvm/ADT/APInt.h
    M llvm/include/llvm/Config/llvm-config.h.cmake
    A llvm/include/llvm/Support/float128.h
    M llvm/lib/Analysis/CMakeLists.txt
    M llvm/lib/Analysis/ConstantFolding.cpp
    M llvm/lib/Support/APFloat.cpp
    M llvm/test/CMakeLists.txt
    M llvm/test/lit.cfg.py
    M llvm/test/lit.site.cfg.py.in
    M llvm/unittests/Analysis/CMakeLists.txt

  Log Message:
  -----------
  Constant Fold logf128 calls

This is a second attempt to land #84501 which failed on several targets.

This patch adds the HAS_IEE754_FLOAT128 define which makes the check for
typedef'ing float128 more precise by checking whether __uint128_t is available
and checking if the host does not use __ibm128 which is prevalent on power pc
targets and replaces IEEE754 float128s.



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