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Fix handling of -fno-function-sections, -fno-data-sections in clang driver. 

llvm-svn: 200685
This commit is contained in:
Evgeniy Stepanov 2014-02-03 11:11:37 +00:00
parent fe437f0a8f
commit 9e7cb33b17
2 changed files with 71 additions and 2 deletions
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11
clang/lib/Driver/Tools.cpp
View File

@ -2653,8 +2653,15 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-generate-type-units");
}
Args.AddAllArgs(CmdArgs, options::OPT_ffunction_sections);
Args.AddAllArgs(CmdArgs, options::OPT_fdata_sections);
if (Args.hasFlag(options::OPT_ffunction_sections,
options::OPT_fno_function_sections, false)) {
CmdArgs.push_back("-ffunction-sections");
}
if (Args.hasFlag(options::OPT_fdata_sections,
options::OPT_fno_data_sections, false)) {
CmdArgs.push_back("-fdata-sections");
}
Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions);

62
clang/test/Driver/function-sections.c Normal file
View File

@ -0,0 +1,62 @@
// Test handling of -f(no-)function-sections and -f(no-)data-sections
//
// CHECK-FS: -ffunction-sections
// CHECK-NOFS-NOT: -ffunction-sections
// CHECK-DS: -fdata-sections
// CHECK-NODS-NOT: -fdata-sections
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: | FileCheck --check-prefix=CHECK-NOFS --check-prefix=CHECK-NODS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -ffunction-sections \
// RUN: | FileCheck --check-prefix=CHECK-FS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -fno-function-sections \
// RUN: | FileCheck --check-prefix=CHECK-NOFS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -ffunction-sections -fno-function-sections \
// RUN: | FileCheck --check-prefix=CHECK-NOFS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -fno-function-sections -ffunction-sections \
// RUN: | FileCheck --check-prefix=CHECK-FS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -ffunction-sections -fno-function-sections -ffunction-sections \
// RUN: | FileCheck --check-prefix=CHECK-FS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -fdata-sections \
// RUN: | FileCheck --check-prefix=CHECK-DS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -fno-data-sections \
// RUN: | FileCheck --check-prefix=CHECK-NODS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -fdata-sections -fno-data-sections \
// RUN: | FileCheck --check-prefix=CHECK-NODS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -fno-data-sections -fdata-sections \
// RUN: | FileCheck --check-prefix=CHECK-DS %s
// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
// RUN: -target i386-unknown-linux \
// RUN: -fdata-sections -fno-data-sections -fdata-sections \
// RUN: | FileCheck --check-prefix=CHECK-DS %s