From 212f3b91ee170d7ab3efb0a2dc23e763fd6aab66 Mon Sep 17 00:00:00 2001
From: Paul Robinson <paul.robinson@sony.com>
Date: Fri, 12 Jan 2018 22:19:03 +0000
Subject: [PATCH] [DWARFv5] Have -gdwarf-5 generate MD5 checksums

Differential Revision: https://reviews.llvm.org/D42011

llvm-svn: 322413
---
 clang/lib/CodeGen/CGDebugInfo.cpp             | 3 ++-
 clang/test/CodeGen/debug-info-file-checksum.c | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index cb15c76122c1..d29e0791fbb4 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -365,7 +365,8 @@ llvm::DIFile::ChecksumKind
 CGDebugInfo::computeChecksum(FileID FID, SmallString<32> &Checksum) const {
   Checksum.clear();
 
-  if (!CGM.getCodeGenOpts().EmitCodeView)
+  if (!CGM.getCodeGenOpts().EmitCodeView &&
+      CGM.getCodeGenOpts().DwarfVersion < 5)
     return llvm::DIFile::CSK_None;
 
   SourceManager &SM = CGM.getContext().getSourceManager();
diff --git a/clang/test/CodeGen/debug-info-file-checksum.c b/clang/test/CodeGen/debug-info-file-checksum.c
index 2750800d41ea..d644aac0614f 100644
--- a/clang/test/CodeGen/debug-info-file-checksum.c
+++ b/clang/test/CodeGen/debug-info-file-checksum.c
@@ -1,4 +1,5 @@
 // RUN: %clang -emit-llvm -S -g -gcodeview -x c %S/Inputs/debug-info-file-checksum.c -o - | FileCheck %s
+// RUN: %clang -emit-llvm -S -gdwarf-5 -x c %S/Inputs/debug-info-file-checksum.c -o - | FileCheck %s
 
 // Check that "checksum" is created correctly for the compiled file.