From b5019ffc8efd472d18eb9ed55a004af8d713583d Mon Sep 17 00:00:00 2001 From: Kai Nacke Date: Thu, 9 Jun 2022 12:54:40 -0400 Subject: [PATCH] [SystemZ/z/OS] Set DWARF version to 4 for z/OS. The DWARF version was raised to 5 for all platforms which do not opt out. Default to DWARF version to 4 for z/OS again. Reviewed By: abhina.sreeskantharajan, uweigand Differential Revision: https://reviews.llvm.org/D127498 --- clang/lib/Driver/ToolChains/ZOS.h | 2 ++ clang/test/Driver/zos-dwarfversion.c | 3 +++ 2 files changed, 5 insertions(+) create mode 100644 clang/test/Driver/zos-dwarfversion.c diff --git a/clang/lib/Driver/ToolChains/ZOS.h b/clang/lib/Driver/ToolChains/ZOS.h index 50bff09935613..53138306fd410 100644 --- a/clang/lib/Driver/ToolChains/ZOS.h +++ b/clang/lib/Driver/ToolChains/ZOS.h @@ -30,6 +30,8 @@ class LLVM_LIBRARY_VISIBILITY ZOS : public ToolChain { bool IsIntegratedAssemblerDefault() const override { return true; } + unsigned GetDefaultDwarfVersion() const override { return 4; } + void addClangTargetOptions( const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, Action::OffloadKind DeviceOffloadingKind) const override; diff --git a/clang/test/Driver/zos-dwarfversion.c b/clang/test/Driver/zos-dwarfversion.c new file mode 100644 index 0000000000000..53a727102f081 --- /dev/null +++ b/clang/test/Driver/zos-dwarfversion.c @@ -0,0 +1,3 @@ +// RUN: %clang -target s390x-none-zos -g -S -emit-llvm %s -o - | FileCheck %s + +// CHECK: !"Dwarf Version", i32 4