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

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152316 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 1420e895a1b47c3665d6da089873a1646aa73552..c9db799976262ccec1c75922df30ad0869bab8b3 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -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,

diff --git a/test/Driver/dwarf2-cfi-asm.c b/test/Driver/dwarf2-cfi-asm.c
new file mode 100644 (file)
index 0000000..a5c4878
--- /dev/null
+++ b/test/Driver/dwarf2-cfi-asm.c
@@ -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