[all-commits] [llvm/llvm-project] 4eb4f8: [RISCV] Use sign extend for i32 arguments and retu...

[Craig Topper via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 4eb4f8963f1e4998748bca66a512c3298f6d2289
      https://github.com/llvm/llvm-project/commit/4eb4f8963f1e4998748bca66a512c3298f6d2289
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2021-01-25 (Mon, 25 Jan 2021)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVISelLowering.h
    M llvm/test/CodeGen/RISCV/rv64i-single-softfloat.ll

  Log Message:
  -----------
  [RISCV] Use sign extend for i32 arguments and returns in makeLibCall on RV64.

As far as I know 32 bits arguments and returns on RV64 are always
sign extended to i64. So I think we should be taking this into
account around libcalls.

Reviewed By: luismarques

Differential Revision: https://reviews.llvm.org/D95285