test/CodeGenObjC/metadata_symbols.m

// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -emit-llvm -fexceptions -o %t %s
// RUN: FileCheck -check-prefix=CHECK-X86_64 < %t %s
// RUN: grep '@"OBJC_EHTYPE_$_EH3"' %t | count 3

// CHECK-X86_64: @"OBJC_CLASS_$_A" = global {{.*}}, section "__DATA, __objc_data", align 8
// CHECK-X86_64: @"OBJC_METACLASS_$_A" = global {{.*}}, section "__DATA, __objc_data", align 8
// CHECK-X86_64: @"\01L_OBJC_CLASS_NAME_" = {{.*}}, section "__TEXT,__cstring,cstring_literals", align 1
// CHECK-X86_64: @"OBJC_EHTYPE_$_EH1" = weak global {{.*}}, section "__DATA,__datacoal_nt,coalesced", align 8
// CHECK-X86_64: @"OBJC_EHTYPE_$_EH2" = external global
// CHECK-X86_64: @"OBJC_EHTYPE_$_EH3" = global {{.*}}, section "__DATA,__objc_const", align 8
// CHECK-X86_64: @"\01L_OBJC_LABEL_CLASS_$" = internal global {{.*}}, section "__DATA, __objc_classlist, regular, no_dead_strip", align 8
// CHECK-X86_64: define internal void @"\01-[A im0]"
// CHECK-X86_64: define internal void @"\01-[A(Cat) im1]"

// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -fvisibility hidden -emit-llvm -o %t %s
// RUN: FileCheck -check-prefix=CHECK-X86_64-HIDDEN < %t %s

// CHECK-X86_64-HIDDEN: @"OBJC_CLASS_$_A" = hidden global {{.*}}, section "__DATA, __objc_data", align 8
// CHECK-X86_64-HIDDEN: @"OBJC_METACLASS_$_A" = hidden global {{.*}}, section "__DATA, __objc_data", align 8
// CHECK-X86_64-HIDDEN: @"OBJC_EHTYPE_$_EH1" = weak hidden global {{.*}}, section "__DATA,__datacoal_nt,coalesced"
// CHECK-X86_64-HIDDEN: @"OBJC_EHTYPE_$_EH2" = external global
// CHECK-X86_64-HIDDEN: @"OBJC_EHTYPE_$_EH3" = hidden global {{.*}}, section "__DATA,__objc_const", align 8
// CHECK-X86_64-HIDDEN: define internal void @"\01-[A im0]"
// CHECK-X86_64-HIDDEN: define internal void @"\01-[A(Cat) im1]"

// RUN: %clang_cc1 -triple armv6-apple-darwin10 -target-abi apcs-gnu -fobjc-nonfragile-abi -emit-llvm -o %t %s
// RUN: FileCheck -check-prefix=CHECK-ARMV6 < %t %s

// CHECK-ARMV6: @"OBJC_CLASS_$_A" = global {{.*}}, section "__DATA, __objc_data", align 4
// CHECK-ARMV6: @"OBJC_METACLASS_$_A" = global {{.*}}, section "__DATA, __objc_data", align 4
// CHECK-ARMV6: @"\01L_OBJC_CLASS_NAME_" = {{.*}}, section "__TEXT,__cstring,cstring_literals", align 1
// CHECK-ARMV6: @"OBJC_EHTYPE_$_EH1" = weak global {{.*}}, section "__DATA,__datacoal_nt,coalesced", align 4
// CHECK-ARMV6: @"OBJC_EHTYPE_$_EH2" = external global
// CHECK-ARMV6: @"OBJC_EHTYPE_$_EH3" = global {{.*}}, section "__DATA,__objc_const", align 4
// CHECK-ARMV6: @"\01L_OBJC_LABEL_CLASS_$" = internal global {{.*}}, section "__DATA, __objc_classlist, regular, no_dead_strip", align 4
// CHECK-ARMV6: define internal void @"\01-[A im0]"
// CHECK-ARMV6: define internal void @"\01-[A(Cat) im1]"

@interface A
@end

@implementation A
-(void) im0 {
}
@end

@implementation A (Cat)
-(void) im1 {
}
@end

@interface EH1
@end

__attribute__((__objc_exception__))
@interface EH2
@end

__attribute__((__objc_exception__))
@interface EH3
@end

void f1();

void f0(id x) {
  @try {
    f1();
  } @catch (EH1 *x) {
  } @catch (EH2 *x) {
  } @catch (EH3 *x) {
  }
}

@implementation EH3
@end