[all-commits] [llvm/llvm-project] 35d00f: [msan] Reset shadow of byval before call

[Vitaly Buka via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 35d00fdc109f407af42746b141d1a1a182a5f686
      https://github.com/llvm/llvm-project/commit/35d00fdc109f407af42746b141d1a1a182a5f686
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2022-01-14 (Fri, 14 Jan 2022)

  Changed paths:
    M llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
    M llvm/test/Instrumentation/MemorySanitizer/byval.ll

  Log Message:
  -----------
  [msan] Reset shadow of byval before call

If function is not sanitized we must reset shadow, not copy.

Depends on D117285

Reviewed By: kda, eugenis

Differential Revision: https://reviews.llvm.org/D117286