clang/test/CodeGen/2007-06-15-AnnotateAttribute.c

   1 // RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
   2
   3 // CHECK: @.str.3 = private unnamed_addr constant [28 x i8] c"GlobalValAnnotationWithArgs\00", section "llvm.metadata"
   4 // CHECK-NEXT: @.args = private unnamed_addr constant { i32, %struct.TestStruct } { i32 42, %struct.TestStruct { i32 1, i32 2 } }, section "llvm.metadata"
   5
   6 // CHECK: llvm.global.annotations
   7
   8 // CHECK: llvm.var.annotation
   9 // CHECK: llvm.var.annotation
  10 // CHECK: llvm.var.annotation
  11
  12 /* Global variable with attribute */
  13 int X __attribute__((annotate("GlobalValAnnotation")));
  14
  15 /* Function with attribute */
  16 int foo(int y) __attribute__((annotate("GlobalValAnnotation")))
  17                __attribute__((noinline));
  18
  19 int foo(int y __attribute__((annotate("LocalValAnnotation")))) {
  20   int x __attribute__((annotate("LocalValAnnotation")));
  21   x = 34;
  22   return y + x;
  23 }
  24
  25 /* Attribute with struct argument. */
  26 struct TestStruct {
  27   int a;
  28   int b;
  29 };
  30 int Y __attribute__((annotate(
  31   "GlobalValAnnotationWithArgs",
  32   42,
  33   (struct TestStruct) { .a = 1, .b = 2 }
  34 )));
  35
  36
  37 int main(void) {
  38   static int a __attribute__((annotate("GlobalValAnnotation")));
  39   a = foo(2);
  40   return 0;
  41 }