[AMDGPU] Set default dwarf version to 2

Differential Revision: http://reviews.llvm.org/D20640

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@271347 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index 244c22a9646c43b2aeec02d4203dd1221c494438..030943dabbb5a41146597f11b25bc27c01368826 100644 (file)
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -943,6 +943,7 @@ protected:
 public:
   AMDGPUToolChain(const Driver &D, const llvm::Triple &Triple,
             const llvm::opt::ArgList &Args);
+  unsigned GetDefaultDwarfVersion() const override { return 2; }
   bool IsIntegratedAssemblerDefault() const override { return true; }
 };
 

diff --git a/test/Driver/amdgpu-toolchain.c b/test/Driver/amdgpu-toolchain.c
index 833b49df5d4255a0397ed53a0d94d3fa2694d66e..52a71975b7f9a740fb5c2245b24a3c9a1a6314d2 100644 (file)
--- a/test/Driver/amdgpu-toolchain.c
+++ b/test/Driver/amdgpu-toolchain.c
@@ -1,3 +1,6 @@
 // RUN: %clang -### -target amdgcn--amdhsa -x assembler -mcpu=kaveri %s 2>&1 | FileCheck -check-prefix=AS_LINK %s
 // AS_LINK: clang{{.*}} "-cc1as"
 // 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=2"