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Revert "Debug info: Make DWARF4 the default for Darwin, too." 

I'm holding this change to give maintainers of Darwin buildbots more time
to update their toolchains.

This reverts commit r201375.

llvm-svn: 201520
This commit is contained in:
Adrian Prantl 2014-02-17 17:40:52 +00:00
parent f275d09a34
commit 549c514799
4 changed files with 25 additions and 6 deletions
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10
clang/lib/Driver/Tools.cpp
View File

@ -2660,6 +2660,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
// FIXME: we should support specifying dwarf version with
// -gline-tables-only.
CmdArgs.push_back("-gline-tables-only");
// Default is dwarf-2 for darwin.
if (getToolChain().getTriple().isOSDarwin())
CmdArgs.push_back("-gdwarf-2");
} else if (A->getOption().matches(options::OPT_gdwarf_2))
CmdArgs.push_back("-gdwarf-2");
else if (A->getOption().matches(options::OPT_gdwarf_3))
@ -2667,9 +2670,14 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
else if (A->getOption().matches(options::OPT_gdwarf_4))
CmdArgs.push_back("-gdwarf-4");
else if (!A->getOption().matches(options::OPT_g0) &&
!A->getOption().matches(options::OPT_ggdb0))
!A->getOption().matches(options::OPT_ggdb0)) {
// Default is dwarf-2 for darwin.
if (getToolChain().getTriple().isOSDarwin())
CmdArgs.push_back("-gdwarf-2");
else
CmdArgs.push_back("-g");
}
}
// We ignore flags -gstrict-dwarf and -grecord-gcc-switches for now.
Args.ClaimAllArgs(options::OPT_g_flags_Group);

2
clang/test/CodeGen/dwarf-version.c
View File

@ -11,4 +11,4 @@ int main (void) {
// VER3: metadata !{i32 2, metadata !"Dwarf Version", i32 3}
// VER4: metadata !{i32 2, metadata !"Dwarf Version", i32 4}
// LINUX: metadata !{i32 2, metadata !"Dwarf Version", i32 4}
// DARWIN: metadata !{i32 2, metadata !"Dwarf Version", i32 4}
// DARWIN: metadata !{i32 2, metadata !"Dwarf Version", i32 2}

2
clang/test/Driver/clang-g-opts.c
View File

@ -12,5 +12,5 @@
// CHECK-WITHOUT-G-NOT: "-g"
// CHECK-WITH-G: "-g"
// CHECK-WITH-G-DARWIN: "-g"
// CHECK-WITH-G-DARWIN: "-gdwarf-2"

15
clang/test/Driver/debug-options.c
View File

@ -36,11 +36,11 @@
// RUN: %clang -### -c -gline-tables-only %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY %s
// RUN: %clang -### -c -gline-tables-only %s -target x86_64-apple-darwin 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY %s
// RUN: | FileCheck -check-prefix=GLTO_ONLY_DARWIN %s
// RUN: %clang -### -c -gline-tables-only -g %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY %s
// RUN: %clang -### -c -gline-tables-only -g %s -target x86_64-apple-darwin 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY %s
// RUN: | FileCheck -check-prefix=G_ONLY_DARWIN %s
// RUN: %clang -### -c -gline-tables-only -g0 %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_NO %s
//
@ -76,11 +76,22 @@
// GLTO_ONLY: "-gline-tables-only"
// GLTO_ONLY-NOT: "-g"
//
// GLTO_ONLY_DARWIN: "-cc1"
// GLTO_ONLY_DARWIN-NOT: "-g"
// GLTO_ONLY_DARWIN: "-gline-tables-only"
// GLTO_ONLY_DARWIN: "-gdwarf-2"
// GLTO_ONLY_DARWIN-NOT: "-g"
//
// G_ONLY: "-cc1"
// G_ONLY-NOT: "-gline-tables-only"
// G_ONLY: "-g"
// G_ONLY-NOT: "-gline-tables-only"
//
// G_ONLY_DARWIN: "-cc1"
// G_ONLY_DARWIN-NOT: "-gline-tables-only"
// G_ONLY_DARWIN: "-gdwarf-2"
// G_ONLY_DARWIN-NOT: "-gline-tables-only"
//
// GLTO_NO: "-cc1"
// GLTO_NO-NOT: "-gline-tables-only"
//