[clang] ffba47d - Revert "[AMDGPU][HIP] Switch default DWARF version to 5"

[Scott Linder via cfe-commits]

Author: Scott Linder
Date: 2020-12-21T21:43:51Z
New Revision: ffba47df76460905965df4b54cf6ba945d2eb1ce

URL: https://github.com/llvm/llvm-project/commit/ffba47df76460905965df4b54cf6ba945d2eb1ce
DIFF: https://github.com/llvm/llvm-project/commit/ffba47df76460905965df4b54cf6ba945d2eb1ce.diff

LOG: Revert "[AMDGPU][HIP] Switch default DWARF version to 5"

This reverts commit c4d10e7e9bb47b77fad43d8ddcfa328298f36c88.

Differential Revision: https://reviews.llvm.org/D93648

Added: 
    

Modified: 
    clang/lib/Driver/ToolChains/AMDGPU.h
    clang/lib/Driver/ToolChains/HIP.h
    clang/test/Driver/amdgpu-toolchain.c
    clang/test/Driver/hip-toolchain-dwarf.hip

Removed: 
    


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/AMDGPU.h b/clang/lib/Driver/ToolChains/AMDGPU.h
index f5448b76aee5..55ef6e01967e 100644
--- a/clang/lib/Driver/ToolChains/AMDGPU.h
+++ b/clang/lib/Driver/ToolChains/AMDGPU.h
@@ -60,7 +60,7 @@ class LLVM_LIBRARY_VISIBILITY AMDGPUToolChain : public Generic_ELF {
 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 4; }
   bool IsIntegratedAssemblerDefault() const override { return true; }
   bool IsMathErrnoDefault() const override { return false; }
 

diff  --git a/clang/lib/Driver/ToolChains/HIP.h b/clang/lib/Driver/ToolChains/HIP.h
index ff58c5451b0b..5e2be7138579 100644
--- a/clang/lib/Driver/ToolChains/HIP.h
+++ b/clang/lib/Driver/ToolChains/HIP.h
@@ -99,7 +99,7 @@ class LLVM_LIBRARY_VISIBILITY HIPToolChain final : public ROCMToolChain {
   computeMSVCVersion(const Driver *D,
                      const llvm::opt::ArgList &Args) const override;
 
-  unsigned GetDefaultDwarfVersion() const override { return 5; }
+  unsigned GetDefaultDwarfVersion() const override { return 4; }
 
   const ToolChain &HostTC;
 

diff  --git a/clang/test/Driver/amdgpu-toolchain.c b/clang/test/Driver/amdgpu-toolchain.c
index cb92744eee6a..ac558e0e26eb 100644
--- a/clang/test/Driver/amdgpu-toolchain.c
+++ b/clang/test/Driver/amdgpu-toolchain.c
@@ -8,7 +8,7 @@
 // AS_LINK: clang{{.*}} "-cc1as"
 // AS_LINK: ld.lld{{.*}} "-shared"
 
-// DWARF_VER: "-dwarf-version=5"
+// DWARF_VER: "-dwarf-version=4"
 
 // RUN: %clang -### -target amdgcn-amd-amdhsa -mcpu=gfx906 -nogpulib \
 // RUN:   -flto %s 2>&1 | FileCheck -check-prefix=LTO %s

diff  --git a/clang/test/Driver/hip-toolchain-dwarf.hip b/clang/test/Driver/hip-toolchain-dwarf.hip
index c853d5cf07cf..44d66fe52e04 100644
--- a/clang/test/Driver/hip-toolchain-dwarf.hip
+++ b/clang/test/Driver/hip-toolchain-dwarf.hip
@@ -6,4 +6,4 @@
 // RUN:   -x hip --cuda-gpu-arch=gfx803 %s \
 // RUN:   -Xarch_gfx803 -g 2>&1 | FileCheck %s -check-prefix=DWARF_VER
 
-// DWARF_VER: "-dwarf-version=5"
+// DWARF_VER: "-dwarf-version=4"