test/FrontendC/2007-06-15-AnnotateAttribute.c

   1 // RUN: %llvmgcc -c -emit-llvm %s -o - | llvm-dis | grep llvm.global.annotations
   2 // RUN: %llvmgcc -c -emit-llvm %s -o - | llvm-dis | grep llvm.var.annotation | count 3
   3
   4 #include <stdio.h>
   5
   6 /* Global variable with attribute */
   7 int X __attribute__((annotate("GlobalValAnnotation")));
   8
   9 /* Function with attribute */
  10 int foo(int y) __attribute__((annotate("GlobalValAnnotation")))
  11                __attribute__((noinline));
  12
  13 int foo(int y __attribute__((annotate("LocalValAnnotation")))) {
  14   int x __attribute__((annotate("LocalValAnnotation")));
  15   x = 34;
  16   return y + x;
  17 }
  18
  19 int main() {
  20   static int a __attribute__((annotate("GlobalValAnnotation")));
  21   a = foo(2);
  22   printf("hello world%d\n", a);
  23   return 0;
  24 }