[all-commits] [llvm/llvm-project] 1cff71: [flang] Fold intrinsic functions SPACING() and RRS...

[Peter Klausler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1cff71b975bf4138604775dd32126bb564704ec7
      https://github.com/llvm/llvm-project/commit/1cff71b975bf4138604775dd32126bb564704ec7
  Author: Peter Klausler <pklausler at nvidia.com>
  Date:   2022-05-09 (Mon, 09 May 2022)

  Changed paths:
    M flang/include/flang/Evaluate/real.h
    M flang/lib/Evaluate/fold-real.cpp
    M flang/lib/Evaluate/real.cpp
    A flang/test/Evaluate/fold-spacing.f90

  Log Message:
  -----------
  [flang] Fold intrinsic functions SPACING() and RRSPACING()

The related real number system inquiry functions SPACING()
and RRSPACING() can be folded for constant arguments.
See 16.9.164 & 16.9.180 in Fortran 2018.

Differential Revision: https://reviews.llvm.org/D125100