[all-commits] [llvm/llvm-project] 562779: MathExtras: avoid unnecessarily widening types (#9...

[Ramkumar Ramachandra via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 56277948d577245be845c89a7d7c3a5ccd9747ef
      https://github.com/llvm/llvm-project/commit/56277948d577245be845c89a7d7c3a5ccd9747ef
  Author: Ramkumar Ramachandra <ramkumar.ramachandra at codasip.com>
  Date:   2024-06-29 (Sat, 29 Jun 2024)

  Changed paths:
    M llvm/include/llvm/Support/MathExtras.h
    M llvm/unittests/Support/MathExtrasTest.cpp

  Log Message:
  -----------
  MathExtras: avoid unnecessarily widening types (#95426)

Several multi-argument functions unnecessarily widen types beyond the
argument types. Template'ize the functions, and use std::common_type_t
to avoid this, hence optimizing the functions. A requirement of this
patch is to change the overflow behavior of alignTo to only overflow
when the result isn't representable in the return type.



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