xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/2005-01-02-ConstantInits.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -emit-llvm -o -
2*f4a2713aSLionel Sambuc 
3*f4a2713aSLionel Sambuc // This tests all kinds of hard cases with initializers and
4*f4a2713aSLionel Sambuc // array subscripts.  This corresponds to PR487.
5*f4a2713aSLionel Sambuc 
6*f4a2713aSLionel Sambuc struct X { int a[2]; };
7*f4a2713aSLionel Sambuc 
test()8*f4a2713aSLionel Sambuc int test() {
9*f4a2713aSLionel Sambuc   static int i23 = (int) &(((struct X *)0)->a[1]);
10*f4a2713aSLionel Sambuc   return i23;
11*f4a2713aSLionel Sambuc }
12*f4a2713aSLionel Sambuc 
13*f4a2713aSLionel Sambuc int i = (int) &( ((struct X *)0) -> a[1]);
14*f4a2713aSLionel Sambuc 
15*f4a2713aSLionel Sambuc int Arr[100];
16*f4a2713aSLionel Sambuc 
foo(int i)17*f4a2713aSLionel Sambuc int foo(int i) { return bar(&Arr[49])+bar(&Arr[i]); }
foo2(int i)18*f4a2713aSLionel Sambuc int foo2(int i) {
19*f4a2713aSLionel Sambuc   static const int *X = &Arr[49];
20*f4a2713aSLionel Sambuc    static int i23 = (int) &( ((struct X *)0) -> a[0]);
21*f4a2713aSLionel Sambuc   int *P = Arr;
22*f4a2713aSLionel Sambuc   ++P;
23*f4a2713aSLionel Sambuc   return bar(Arr+i);
24*f4a2713aSLionel Sambuc }
25