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Implement -fno-dwarf2-cfi-asm on linux too. 

llvm-svn: 152316
This commit is contained in:
Rafael Espindola 2012-03-08 14:39:55 +00:00
parent 48992554cc
commit c41db927f3
2 changed files with 42 additions and 10 deletions
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17
clang/lib/Driver/Tools.cpp
View File

@ -1117,20 +1117,17 @@ static void addExceptionArgs(const ArgList &Args, types::ID InputType,
static bool ShouldDisableCFI(const ArgList &Args,
const ToolChain &TC) {
bool Default = true;
if (TC.getTriple().isOSDarwin()) {
// The native darwin assembler doesn't support cfi directives, so
// we disable them if we think the .s file will be passed to it.
bool UseIntegratedAs = Args.hasFlag(options::OPT_integrated_as,
options::OPT_no_integrated_as,
TC.IsIntegratedAssemblerDefault());
bool UseCFI = Args.hasFlag(options::OPT_fdwarf2_cfi_asm,
options::OPT_fno_dwarf2_cfi_asm,
UseIntegratedAs);
return !UseCFI;
Default = Args.hasFlag(options::OPT_integrated_as,
options::OPT_no_integrated_as,
TC.IsIntegratedAssemblerDefault());
}
// For now we assume that every other assembler support CFI.
return false;
return !Args.hasFlag(options::OPT_fdwarf2_cfi_asm,
options::OPT_fno_dwarf2_cfi_asm,
Default);
}
static bool ShouldDisableDwarfDirectory(const ArgList &Args,

35
clang/test/Driver/dwarf2-cfi-asm.c Normal file
View File

@ -0,0 +1,35 @@
// RUN: %clang -target x86_64-apple-darwin -### -S -integrated-as %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-DARWIN-MC-DEFAULT %s
// RUN: %clang -target x86_64-apple-darwin -### -S -integrated-as -fdwarf2-cfi-asm %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-DARWIN-MC-CFI %s
// RUN: %clang -target x86_64-apple-darwin -### -S -integrated-as -fno-dwarf2-cfi-asm %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-DARWIN-MC-NOCFI %s
// RUN: %clang -target x86_64-apple-darwin -### -S -no-integrated-as %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-DARWIN-AS-DEFAULT %s
// RUN: %clang -target x86_64-apple-darwin -### -S -no-integrated-as -fdwarf2-cfi-asm %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-DARWIN-AS-CFI %s
// RUN: %clang -target x86_64-apple-darwin -### -S -no-integrated-as -fno-dwarf2-cfi-asm %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-DARWIN-AS-NOCFI %s
// RUN: %clang -target x86_64-pc-linux -### -S -integrated-as %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-LINUX-MC-DEFAULT %s
// RUN: %clang -target x86_64-pc-linux -### -S -integrated-as -fdwarf2-cfi-asm %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-LINUX-MC-CFI %s
// RUN: %clang -target x86_64-pc-linux -### -S -integrated-as -fno-dwarf2-cfi-asm %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-LINUX-MC-NOCFI %s
// RUN: %clang -target x86_64-pc-linux -### -S -no-integrated-as %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-LINUX-AS-DEFAULT %s
// RUN: %clang -target x86_64-pc-linux -### -S -no-integrated-as -fdwarf2-cfi-asm %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-LINUX-AS-CFI %s
// RUN: %clang -target x86_64-pc-linux -### -S -no-integrated-as -fno-dwarf2-cfi-asm %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-LINUX-AS-NOCFI %s
// CHECK-DARWIN-MC-DEFAULT-NOT: -fno-dwarf2-cfi-asm
// CHECK-DARWIN-MC-CFI-NOT: -fno-dwarf2-cfi-asm
// CHECK-DARWIN-MC-NOCFI: -fno-dwarf2-cfi-asm
// CHECK-DARWIN-AS-DEFAULT: -fno-dwarf2-cfi-asm
// CHECK-DARWIN-AS-CFI-NOT: -fno-dwarf2-cfi-asm
// CHECK-DARWIN-AS-NOCFI: -fno-dwarf2-cfi-asm
// CHECK-LINUX-MC-DEFAULT-NOT: -fno-dwarf2-cfi-asmx
// CHECK-LINUX-MC-CFI-NOT: -fno-dwarf2-cfi-asm
// CHECK-LINUX-MC-NOCFI: -fno-dwarf2-cfi-asm
// CHECK-LINUX-AS-DEFAULT-NOT: -fno-dwarf2-cfi-asm
// CHECK-LINUX-AS-CFI-NOT: -fno-dwarf2-cfi-asm
// CHECK-LINUX-AS-NOCFI: -fno-dwarf2-cfi-asm