test/FrontendC/2010-05-14-Optimized-VarType.c

   1 // RUN: %llvmgcc %s -Os -S -g -o - | grep DW_TAG_structure_type | count 1
   2 // Variable 'a' is optimized but the debug info should preserve its type info.
   3 #include <stdlib.h>
   4
   5 struct foo {
   6         int Attribute;
   7 };
   8
   9 void *getfoo(void) __attribute__((noinline));
  10
  11 void *getfoo(void)
  12 {
  13         int *x = malloc(sizeof(int));
  14         *x = 42;
  15         return (void *)x;
  16 }
  17
  18 int main(int argc, char *argv[]) {
  19         struct foo *a = (struct foo *)getfoo();
  20
  21         return a->Attribute;
  22 }
  23