[all-commits] [llvm/llvm-project] adacbf: [SystemZ] Add codegen support for llvm.roundeven

[Ulrich Weigand via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: adacbf68ebeaeaf9d07a5beaff163da9ca0534a9
      https://github.com/llvm/llvm-project/commit/adacbf68ebeaeaf9d07a5beaff163da9ca0534a9
  Author: Ulrich Weigand <ulrich.weigand at de.ibm.com>
  Date:   2025-02-14 (Fri, 14 Feb 2025)

  Changed paths:
    M clang/lib/CodeGen/CGBuiltin.cpp
    M clang/test/CodeGen/SystemZ/builtins-systemz-vector-constrained.c
    M clang/test/CodeGen/SystemZ/builtins-systemz-vector.c
    M clang/test/CodeGen/SystemZ/builtins-systemz-vector2-constrained.c
    M clang/test/CodeGen/SystemZ/builtins-systemz-vector2.c
    M clang/test/CodeGen/SystemZ/builtins-systemz-zvector-constrained.c
    M clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c
    M clang/test/CodeGen/SystemZ/builtins-systemz-zvector2-constrained.c
    M clang/test/CodeGen/SystemZ/builtins-systemz-zvector2.c
    M llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
    M llvm/lib/Target/SystemZ/SystemZInstrFP.td
    M llvm/lib/Target/SystemZ/SystemZInstrVector.td
    M llvm/test/CodeGen/SystemZ/fp-round-01.ll
    M llvm/test/CodeGen/SystemZ/fp-round-02.ll
    M llvm/test/CodeGen/SystemZ/fp-round-03.ll
    M llvm/test/CodeGen/SystemZ/fp-strict-round-01.ll
    M llvm/test/CodeGen/SystemZ/fp-strict-round-02.ll
    M llvm/test/CodeGen/SystemZ/fp-strict-round-03.ll
    M llvm/test/CodeGen/SystemZ/vec-round-01.ll
    M llvm/test/CodeGen/SystemZ/vec-round-02.ll
    M llvm/test/CodeGen/SystemZ/vec-strict-round-01.ll
    M llvm/test/CodeGen/SystemZ/vec-strict-round-02.ll
    M llvm/test/CodeGen/SystemZ/vector-constrained-fp-intrinsics.ll

  Log Message:
  -----------
  [SystemZ] Add codegen support for llvm.roundeven

This is straightforward as we already had all the necessary
instructions, they simply were not wired up.

Also allows implementing the vec_round intrinsic via the
standard llvm.roundeven IR instead of a platform intrinsic now.



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