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This reverts commit r234104, bringing back 233393 now that ARM is fixed. 

Original message:

Don't use unique section names by default if using the integrated as.

This saves some IO and ccache space by not creating long section names. It
should work with every ELF linker.

llvm-svn: 234143
This commit is contained in:
Rafael Espindola 2015-04-06 04:36:45 +00:00
parent 61e8ce36be
commit 298059a4ac
2 changed files with 16 additions and 3 deletions
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9
clang/lib/Driver/Tools.cpp
View File

@ -3104,8 +3104,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.hasArg(options::OPT_dA)) Args.hasArg(options::OPT_dA))
CmdArgs.push_back("-masm-verbose"); CmdArgs.push_back("-masm-verbose");
if (!Args.hasFlag(options::OPT_fintegrated_as, options::OPT_fno_integrated_as, bool UsingIntegratedAssembler =
IsIntegratedAssemblerDefault)) Args.hasFlag(options::OPT_fintegrated_as, options::OPT_fno_integrated_as,
IsIntegratedAssemblerDefault);
if (!UsingIntegratedAssembler)
CmdArgs.push_back("-no-integrated-as"); CmdArgs.push_back("-no-integrated-as");
if (Args.hasArg(options::OPT_fdebug_pass_structure)) { if (Args.hasArg(options::OPT_fdebug_pass_structure)) {
@ -3349,7 +3351,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
} }
if (!Args.hasFlag(options::OPT_funique_section_names, if (!Args.hasFlag(options::OPT_funique_section_names,
options::OPT_fno_unique_section_names, true)) options::OPT_fno_unique_section_names,
!UsingIntegratedAssembler))
CmdArgs.push_back("-fno-unique-section-names"); CmdArgs.push_back("-fno-unique-section-names");
Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions); Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions);

10
clang/test/Driver/function-sections.c
View File

@ -72,3 +72,13 @@
// RUN: -target i386-unknown-linux \ // RUN: -target i386-unknown-linux \
// RUN: -fno-unique-section-names \ // RUN: -fno-unique-section-names \
// RUN: | FileCheck --check-prefix=CHECK-NOUS %s // RUN: | FileCheck --check-prefix=CHECK-NOUS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -fno-integrated-as \
// RUN: | FileCheck --check-prefix=CHECK-US %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -fintegrated-as \
// RUN: | FileCheck --check-prefix=CHECK-NOUS %s