clang/test/CodeGenObjC/forward-protocol-metadata-symbols.m

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-10.14 -emit-llvm -x objective-c %s -o - | FileCheck %s
   2
   3 @interface NSObject @end
   4
   5 @protocol P0 @end
   6
   7 @interface A : NSObject <P0>
   8 +(Class) getClass;
   9 @end
  10
  11 @implementation A
  12 +(Class) getClass { return self; }
  13 @end
  14
  15 int main(void) {
  16   Protocol *P0 = @protocol(P0);
  17   return 0;
  18 }
  19
  20 // CHECK: @"_OBJC_PROTOCOL_$_P0" = weak hidden global
  21 // CHECK: @"_OBJC_LABEL_PROTOCOL_$_P0" = weak hidden global
  22 // CHECK: @"_OBJC_CLASS_PROTOCOLS_$_A" = internal global
  23 // CHECK: @"_OBJC_PROTOCOL_REFERENCE_$_P0" = weak hidden global
  24
  25 // CHECK: llvm.used = appending global [3 x ptr]
  26 // CHECK-SAME: "_OBJC_PROTOCOL_$_P0"
  27 // CHECK-SAME: "_OBJC_LABEL_PROTOCOL_$_P0"
  28 // CHECK-SAME: "_OBJC_PROTOCOL_REFERENCE_$_P0"
  29
  30 // CHECK: llvm.compiler.used = appending global [7 x ptr]
  31 // CHECK-SAME: OBJC_CLASS_NAME_
  32 // CHECK-SAME: OBJC_METH_VAR_NAME_
  33 // CHECK-SAME: OBJC_METH_VAR_TYPE_
  34 // CHECK-SAME: "_OBJC_$_CLASS_METHODS_A"
  35 // CHECK-SAME: OBJC_CLASS_NAME_.1
  36 // CHECK-SAME: "_OBJC_CLASS_PROTOCOLS_$_A"
  37 // CHECK-SAME: "OBJC_LABEL_CLASS_$"
  38 // CHECK-SAME: section "llvm.metadata"