r337612 - AMDGPU: Switch default dwarf version to 2

[Konstantin Zhuravlyov via cfe-commits]

Author: kzhuravl
Date: Fri Jul 20 13:46:25 2018
New Revision: 337612

URL: http://llvm.org/viewvc/llvm-project?rev=337612&view=rev
Log:
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


Modified:
    cfe/trunk/lib/Driver/ToolChains/AMDGPU.h
    cfe/trunk/test/Driver/amdgpu-toolchain.c

Modified: cfe/trunk/lib/Driver/ToolChains/AMDGPU.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/AMDGPU.h?rev=337612&r1=337611&r2=337612&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/AMDGPU.h (original)
+++ cfe/trunk/lib/Driver/ToolChains/AMDGPU.h Fri Jul 20 13:46:25 2018
@@ -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,

Modified: cfe/trunk/test/Driver/amdgpu-toolchain.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/amdgpu-toolchain.c?rev=337612&r1=337611&r2=337612&view=diff
==============================================================================
--- cfe/trunk/test/Driver/amdgpu-toolchain.c (original)
+++ cfe/trunk/test/Driver/amdgpu-toolchain.c Fri Jul 20 13:46:25 2018
@@ -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"