vendor/llvm/llvm-trunk-r366426

1 files changed, 5 insertions, 16 deletions

diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index c0976502f545..ec189c297860 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -1,9 +1,8 @@
 //===-- llvm-mc.cpp - Machine Code Hacking Driver ---------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -402,18 +401,8 @@ int main(int argc, char **argv) {
   }
   if (!MainFileName.empty())
     Ctx.setMainFileName(MainFileName);
-  if (GenDwarfForAssembly && DwarfVersion >= 5) {
-    // DWARF v5 needs the root file as well as the compilation directory.
-    // If we find a '.file 0' directive that will supersede these values.
-    MD5 Hash;
-    MD5::MD5Result *Cksum =
-        (MD5::MD5Result *)Ctx.allocate(sizeof(MD5::MD5Result), 1);
-    Hash.update(Buffer->getBuffer());
-    Hash.final(*Cksum);
-    Ctx.setMCLineTableRootFile(
-        /*CUID=*/0, Ctx.getCompilationDir(),
-        !MainFileName.empty() ? MainFileName : InputFilename, Cksum, None);
-  }
+  if (GenDwarfForAssembly)
+    Ctx.setGenDwarfRootFile(InputFilename, Buffer->getBuffer());
 
   // Package up features to be passed to target/subtarget
   std::string FeaturesStr;