clang/test/CodeGen/pr3518.c

   1 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
   2 // RUN: %clang_cc1 %s -fexperimental-new-constant-interpreter -emit-llvm -o - | FileCheck %s
   3 // PR 3518
   4 // Some of the objects were coming out as uninitialized (external) before 3518
   5 // was fixed.  Internal names are different between llvm-gcc and clang so they
   6 // are not tested.
   7
   8 extern void abort (void);
   9
  10 // CHECK: @.compoundliteral = internal global %struct.A { i32 1, i32 2 }
  11 // CHECK: @.compoundliteral.1 = internal global %struct.A { i32 3, i32 4 }
  12 // CHECK: @.compoundliteral.2 = internal global %struct.B { ptr @.compoundliteral, ptr @.compoundliteral.1 }
  13 // CHECK: @.compoundliteral.3 = internal global %struct.A { i32 5, i32 6 }
  14
  15 struct A { int i; int j; };
  16 struct B { struct A *a; struct A *b; };
  17 struct C { struct B *c; struct A *d; };
  18 struct C e = { &(struct B) { &(struct A) { 1, 2 }, &(struct A) { 3, 4 } }, &(struct A) { 5, 6 } };
  19
  20 int
  21 main (void)
  22 {
  23   if (e.c->a->i != 1 || e.c->a->j != 2)
  24     abort ();
  25   if (e.c->b->i != 3 || e.c->b->j != 4)
  26     abort ();
  27   if (e.d->i != 5 || e.d->j != 6)
  28     abort ();
  29   return 0;
  30 }