CodeGen: tweak CFConstantStrings for COFF and ELF
Adjust the constant CFString emission to emit into more appropriate sections on
ELF and COFF targets. It would previously try to use MachO section names
irrespective of the file format.
llvm-svn: 271211
diff --git a/clang/test/CodeGen/CFStrings.c b/clang/test/CodeGen/CFStrings.c
new file mode 100644
index 0000000..7d89593
--- /dev/null
+++ b/clang/test/CodeGen/CFStrings.c
@@ -0,0 +1,49 @@
+// RUN: %clang_cc1 -triple thumbv7-windows -S -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK-COFF
+// RUN: %clang_cc1 -triple i686-windows -S -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK-COFF
+// RUN: %clang_cc1 -triple x86_64-windows -S -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK-COFF
+
+// RUN: %clang_cc1 -triple armv7-elf -S -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK-ELF -check-prefix CHECK-ELF32
+// RUN: %clang_cc1 -triple i686-elf -S -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK-ELF -check-prefix CHECK-ELF32
+// RUN: %clang_cc1 -triple x86_64-elf -S -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK-ELF -check-prefix CHECK-ELF64
+// RUN: %clang_cc1 -triple armv7-elf -S %s -o - | FileCheck %s -check-prefix CHECK-ELF-DATA-SECTION
+
+// RUN: %clang_cc1 -triple armv7-macho -S -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK-MACHO -check-prefix CHECK-MACHO32
+// RUN: %clang_cc1 -triple i386-apple-macosx -S -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK-MACHO -check-prefix CHECK-MACHO32
+// RUN: %clang_cc1 -triple x86_64-macho -S -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK-MACHO -check-prefix CHECK-MACHO64
+
+typedef struct __CFString *CFStringRef;
+const CFStringRef one = (CFStringRef)__builtin___CFStringMakeConstantString("one");
+const CFStringRef two = (CFStringRef)__builtin___CFStringMakeConstantString("\xef\xbf\xbd\x74\xef\xbf\xbd\x77\xef\xbf\xbd\x6f");
+
+// CHECK-COFF: @.str = private unnamed_addr constant [4 x i8] c"one\00", align 1
+// CHECK-ELF: @.str = private unnamed_addr constant [4 x i8] c"one\00", align 1
+// CHECK-MACHO: @.str = private unnamed_addr constant [4 x i8] c"one\00", section "__TEXT,__cstring,cstring_literals", align 1
+
+// CHECK-COFF: @_unnamed_cfstring_ = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 3 }, section ".rdata.cfstring", align {{[48]}}
+// CHECK-ELF32: @_unnamed_cfstring_ = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 3 }, section ".rodata.cfstring", align 4
+// CHECK-ELF64: @_unnamed_cfstring_ = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i64 3 }, section ".rodata.cfstring", align 8
+// CHECK-MACHO32: @_unnamed_cfstring_ = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 3 }, section "__DATA,__cfstring", align 4
+// CHECK-MACHO64: @_unnamed_cfstring_ = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 1992, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i64 3 }, section "__DATA,__cfstring", align 8
+
+// CHECK-COFF: @.str.1 = private unnamed_addr constant [7 x i16] [i16 -3, i16 116, i16 -3, i16 119, i16 -3, i16 111, i16 0], align 2
+// CHECK-ELF: @.str.1 = private unnamed_addr constant [7 x i16] [i16 -3, i16 116, i16 -3, i16 119, i16 -3, i16 111, i16 0], align 2
+// CHECK-MACHO: @.str.1 = private unnamed_addr constant [7 x i16] [i16 -3, i16 116, i16 -3, i16 119, i16 -3, i16 111, i16 0], section "__TEXT,__ustring", align 2
+
+// CHECK-COFF: @_unnamed_cfstring_.2 = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 2000, i8* bitcast ([7 x i16]* @.str.1 to i8*), i32 6 }, section ".rdata.cfstring", align {{[48]}}
+// CHECK-ELF32: @_unnamed_cfstring_.2 = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 2000, i8* bitcast ([7 x i16]* @.str.1 to i8*), i32 6 }, section ".rodata.cfstring", align 4
+// CHECK-ELF64: @_unnamed_cfstring_.2 = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 2000, i8* bitcast ([7 x i16]* @.str.1 to i8*), i64 6 }, section ".rodata.cfstring", align 8
+// CHECK-MACHO32: @_unnamed_cfstring_.2 = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 2000, i8* bitcast ([7 x i16]* @.str.1 to i8*), i32 6 }, section "__DATA,__cfstring", align 4
+// CHECK-MACHO64: @_unnamed_cfstring_.2 = private constant %struct.__NSConstantString_tag { i32* getelementptr inbounds ([0 x i32], [0 x i32]* @__CFConstantStringClassReference, i32 0, i32 0), i32 2000, i8* bitcast ([7 x i16]* @.str.1 to i8*), i64 6 }, section "__DATA,__cfstring", align 8
+
+// CHECK-ELF-DATA-SECTION: .section .rodata.str1.1
+// CHECK-ELF-DATA-SECTION: .asciz "one"
+
+// CHECK-ELF-DATA-SECTION: .section .rodata.str2.2
+// CHECK-ELF-DATA-SECTION: .short 65533
+// CHECK-ELF-DATA-SECTION: .short 116
+// CHECK-ELF-DATA-SECTION: .short 65533
+// CHECK-ELF-DATA-SECTION: .short 119
+// CHECK-ELF-DATA-SECTION: .short 65533
+// CHECK-ELF-DATA-SECTION: .short 111
+// CHECK-ELF-DATA-SECTION: .short 0
+