[all-commits] [llvm/llvm-project] ec42c7: [sanitizer][msan] VarArgHelper for loongarch64

[Ami-zhang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ec42c78cc43ac1e8364e5a0941aa5fc91b813dd3
      https://github.com/llvm/llvm-project/commit/ec42c78cc43ac1e8364e5a0941aa5fc91b813dd3
  Author: zhanglimin <zhanglimin at loongson.cn>
  Date:   2023-09-12 (Tue, 12 Sep 2023)

  Changed paths:
    M compiler-rt/test/msan/signal_stress_test.cpp
    M llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
    A llvm/test/Instrumentation/MemorySanitizer/LoongArch/vararg-loongarch64.ll

  Log Message:
  -----------
  [sanitizer][msan] VarArgHelper for loongarch64

This patch adds support for variadic argument for loongarch64,
which is based on MIPS64. And `check-msan` all pass.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D158587