forked from OSchip/llvm-project
133 lines
2.4 KiB
C
133 lines
2.4 KiB
C
// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s
|
|
|
|
void f1() {
|
|
// Scalars in braces.
|
|
int a = { 1 };
|
|
}
|
|
|
|
void f2() {
|
|
int a[2][2] = { { 1, 2 }, { 3, 4 } };
|
|
int b[3][3] = { { 1, 2 }, { 3, 4 } };
|
|
int *c[2] = { &a[1][1], &b[2][2] };
|
|
int *d[2][2] = { {&a[1][1], &b[2][2]}, {&a[0][0], &b[1][1]} };
|
|
int *e[3][3] = { {&a[1][1], &b[2][2]}, {&a[0][0], &b[1][1]} };
|
|
char ext[3][3] = {".Y",".U",".V"};
|
|
}
|
|
|
|
typedef void (* F)(void);
|
|
extern void foo(void);
|
|
struct S { F f; };
|
|
void f3() {
|
|
struct S a[1] = { { foo } };
|
|
}
|
|
|
|
// Constants
|
|
// CHECK: @g3 = constant i32 10
|
|
// CHECK: @f4.g4 = internal constant i32 12
|
|
const int g3 = 10;
|
|
int f4() {
|
|
static const int g4 = 12;
|
|
return g4;
|
|
}
|
|
|
|
// PR6537
|
|
typedef union vec3 {
|
|
struct { double x, y, z; };
|
|
double component[3];
|
|
} vec3;
|
|
vec3 f5(vec3 value) {
|
|
return (vec3) {{
|
|
.x = value.x
|
|
}};
|
|
}
|
|
|
|
// rdar://problem/8154689
|
|
void f6() {
|
|
int x;
|
|
long ids[] = { (long) &x };
|
|
}
|
|
|
|
|
|
|
|
|
|
// CHECK: @test7 = global{{.*}}{ i32 0, [4 x i8] c"bar\00" }
|
|
// PR8217
|
|
struct a7 {
|
|
int b;
|
|
char v[];
|
|
};
|
|
|
|
struct a7 test7 = { .b = 0, .v = "bar" };
|
|
|
|
|
|
// PR279 comment #3
|
|
char test8(int X) {
|
|
char str[100000] = "abc"; // tail should be memset.
|
|
return str[X];
|
|
// CHECK: @test8(
|
|
// CHECK: call void @llvm.memset
|
|
// CHECK: store i8 97
|
|
// CHECK: store i8 98
|
|
// CHECK: store i8 99
|
|
}
|
|
|
|
void bar(void*);
|
|
|
|
// PR279
|
|
int test9(int X) {
|
|
int Arr[100] = { X }; // Should use memset
|
|
bar(Arr);
|
|
// CHECK: @test9
|
|
// CHECK: call void @llvm.memset
|
|
// CHECK-NOT: store i32 0
|
|
// CHECK: call void @bar
|
|
}
|
|
|
|
struct a {
|
|
int a, b, c, d, e, f, g, h, i, j, k, *p;
|
|
};
|
|
|
|
struct b {
|
|
struct a a,b,c,d,e,f,g;
|
|
};
|
|
|
|
int test10(int X) {
|
|
struct b S = { .a.a = X, .d.e = X, .f.e = 0, .f.f = 0, .f.p = 0 };
|
|
bar(&S);
|
|
|
|
// CHECK: @test10
|
|
// CHECK: call void @llvm.memset
|
|
// CHECK-NOT: store i32 0
|
|
// CHECK: call void @bar
|
|
}
|
|
|
|
|
|
// PR9257
|
|
struct test11S {
|
|
int A[10];
|
|
};
|
|
void test11(struct test11S *P) {
|
|
*P = (struct test11S) { .A = { [0 ... 3] = 4 } };
|
|
// CHECK: @test11
|
|
// CHECK: store i32 4
|
|
// CHECK: store i32 4
|
|
// CHECK: store i32 4
|
|
// CHECK: store i32 4
|
|
// CHECK: ret void
|
|
}
|
|
|
|
|
|
// Verify that we can convert a recursive struct with a memory that returns
|
|
// an instance of the struct we're converting.
|
|
struct test12 {
|
|
struct test12 (*p)(void);
|
|
} test12g;
|
|
|
|
|
|
void test13(int x) {
|
|
struct X { int a; int b : 10; int c; };
|
|
struct X y = {.c = x};
|
|
// CHECK: @test13
|
|
// CHECK: and i32 {{.*}}, -1024
|
|
}
|