From: Konstantin Zhuravlyov <kzhuravl_dev@outlook.com>
Date: Fri, 20 Jul 2018 20:46:25 +0000 (+0000)
Subject: AMDGPU: Switch default dwarf version to 2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3f8eb57cfceb2c8c7b0adee006d9826e3f4d2cbc;p=clang

AMDGPU: Switch default dwarf version to 2

There were some problems unearthed with version 5,
which I am going to look at.

Differential Revision: https://reviews.llvm.org/D49613



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@337612 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Driver/ToolChains/AMDGPU.h b/lib/Driver/ToolChains/AMDGPU.h
index 588c24032b..36114d0dab 100644
--- a/lib/Driver/ToolChains/AMDGPU.h
+++ b/lib/Driver/ToolChains/AMDGPU.h
@@ -56,7 +56,7 @@ protected:
 public:
   AMDGPUToolChain(const Driver &D, const llvm::Triple &Triple,
                   const llvm::opt::ArgList &Args);
-  unsigned GetDefaultDwarfVersion() const override { return 5; }
+  unsigned GetDefaultDwarfVersion() const override { return 2; }
   bool IsIntegratedAssemblerDefault() const override { return true; }
   llvm::opt::DerivedArgList *
   TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
diff --git a/test/Driver/amdgpu-toolchain.c b/test/Driver/amdgpu-toolchain.c
index bd6bf7e341..52a71975b7 100644
--- a/test/Driver/amdgpu-toolchain.c
+++ b/test/Driver/amdgpu-toolchain.c
@@ -3,4 +3,4 @@
 // AS_LINK: ld.lld{{.*}} "-shared"
 
 // RUN: %clang -### -g -target amdgcn--amdhsa -mcpu=kaveri %s 2>&1 | FileCheck -check-prefix=DWARF_VER %s
-// DWARF_VER: "-dwarf-version=5"
+// DWARF_VER: "-dwarf-version=2"