[all-commits] [llvm/llvm-project] 3e7eab: [RISCV] RISCVELFTargetObjectFile: use 2-byte align...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3e7eab099766cc92e5930a7883a014d0de8710d9
      https://github.com/llvm/llvm-project/commit/3e7eab099766cc92e5930a7883a014d0de8710d9
  Author: Fangrui Song <i at maskray.me>
  Date:   2023-05-11 (Thu, 11 May 2023)

  Changed paths:
    M llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCObjectFileInfo.cpp
    M llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCObjectFileInfo.h
    M llvm/lib/Target/RISCV/RISCVTargetObjectFile.cpp
    M llvm/lib/Target/RISCV/RISCVTargetObjectFile.h
    M llvm/test/CodeGen/RISCV/align.ll

  Log Message:
  -----------
  [RISCV] RISCVELFTargetObjectFile: use 2-byte alignment for .text if RVC

For the "C" Standard Extension/Zca, D45560 enabled 2-byte alignment for
assembly output (e.g. `clang -S a.c`) and D102052 enabled 2-byte alignment for
assembly input and object file output (e.g. `clang -c a.s`).

This patch ports the behavior for code generation and object file output by
adding RISCVELFTargetObjectFile::getTextSectionAlignment (e.g. `clang -c a.c`).

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D150240