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
test1()12 void 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
test2()23 void 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
test3()35 void 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
test4(void)45 void 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
56 union test5u { int i; double d; };
57
test5()58 void test5() {
59 union test5u ola = (union test5u) 351;
60 union test5u olb = (union test5u) 1.0;
61 }
62
63 union test5u test5w = (union test5u)2;
64 union test5u test5y = (union test5u)73.0;
65
66
67
68 // PR6660 - sqlite miscompile
69 struct SelectDest {
70 unsigned char eDest;
71 unsigned char affinity;
72 int iParm;
73 int iMem;
74 };
75
test6()76 void test6() {
77 struct SelectDest x = {1, 2, 3};
78 test6f(&x);
79 }
80
81 // rdar://7657600
82 struct test7s { int a; int b; } test7[] = {
83 {1, 2},
84 {4},
85 };
86
87 // rdar://7872531
88 #pragma pack(push, 2)
89 struct test8s { int f0; char f1; } test8g = {};
90
91
92 // PR7519
93
94 struct S {
95 void (*x) (struct S *);
96 };
97
98 extern struct S *global_dc;
99 void cp_diagnostic_starter(struct S *);
100
init_error(void)101 void 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.
108 typedef struct {
109 int x5a;
110 } x5;
111
112 typedef struct x2 *x0;
113 typedef long (*x1)(x0 x0a, x5 x6);
114 struct x2 {
115 x1 x4;
116 };
x3(x0 x0a,x5 a)117 long x3(x0 x0a, x5 a) {
118 return x0a->x4(x0a, a);
119 }
120