1// RUN: %clang_cc1 -w -emit-llvm < %s | FileCheck %s
2
3// CHECK: @test1.x = internal constant [12 x i32] [i32 1
4// CHECK: @test2.x = private unnamed_addr constant [13 x i32] [i32 1,
5// CHECK: @test5w = global { i32, [4 x i8] } { i32 2, [4 x i8] undef }
6// CHECK: @test5y = global { double } { double 7.300000e+0{{[0]*}}1 }
7
8// CHECK: @test6.x = private unnamed_addr constant %struct.SelectDest { i8 1, i8 2, i32 3, i32 0 }
9
10// CHECK: @test7 = global [2 x %struct.test7s] [%struct.test7s { i32 1, i32 2 }, %struct.test7s { i32 4, i32 0 }]
11
12void test1() {
13  // This should codegen as a "@test1.x" global.
14  const int x[] = { 1, 2, 3, 4, 6, 8, 9, 10, 123, 231, 123,23 };
15  foo(x);
16
17// CHECK: @test1()
18// CHECK: {{call.*@foo.*@test1.x}}
19}
20
21
22// rdar://7346691
23void test2() {
24  // This should codegen as a "@test2.x" global + memcpy.
25  int x[] = { 1, 2, 3, 4, 6, 8, 9, 10, 123, 231, 123,23, 24 };
26  foo(x);
27
28  // CHECK: @test2()
29  // CHECK: %x = alloca [13 x i32]
30  // CHECK: call void @llvm.memcpy
31  // CHECK: call{{.*}}@foo{{.*}}i32* %
32}
33
34
35void test3() {
36  // This should codegen as a memset.
37  int x[100] = { 0 };
38  foo(x);
39
40  // CHECK: @test3()
41  // CHECK: %x = alloca [100 x i32]
42  // CHECK: call void @llvm.memset
43}
44
45void test4(void) {
46  char a[10] = "asdf";
47  char b[10] = { "asdf" };
48  // CHECK: @test4()
49  // CHECK: %a = alloca [10 x i8]
50  // CHECK: %b = alloca [10 x i8]
51  // CHECK: call void @llvm.memcpy
52  // CHECK: call void @llvm.memcpy
53}
54
55
56union test5u { int i; double d; };
57
58void test5() {
59  union test5u ola = (union test5u) 351;
60  union test5u olb = (union test5u) 1.0;
61}
62
63union test5u test5w = (union test5u)2;
64union test5u test5y = (union test5u)73.0;
65
66
67
68// PR6660 - sqlite miscompile
69struct SelectDest {
70  unsigned char eDest;
71  unsigned char affinity;
72  int iParm;
73  int iMem;
74};
75
76void test6() {
77  struct SelectDest x = {1, 2, 3};
78  test6f(&x);
79}
80
81// rdar://7657600
82struct test7s { int a; int b; } test7[] = {
83  {1, 2},
84  {4},
85};
86
87// rdar://7872531
88#pragma pack(push, 2)
89struct test8s { int f0; char f1; } test8g = {};
90
91
92// PR7519
93
94struct S {
95  void (*x) (struct S *);
96};
97
98extern struct S *global_dc;
99void cp_diagnostic_starter(struct S *);
100
101void init_error(void) {
102  global_dc->x = cp_diagnostic_starter;
103}
104
105
106
107// rdar://8147692 - ABI crash in recursive struct-through-function-pointer.
108typedef struct {
109  int x5a;
110} x5;
111
112typedef struct x2 *x0;
113typedef long (*x1)(x0 x0a, x5 x6);
114struct x2 {
115  x1 x4;
116};
117long x3(x0 x0a, x5 a) {
118  return x0a->x4(x0a, a);
119}
120