196 lines
2.6 KiB
C
196 lines
2.6 KiB
C
// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o -
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struct {
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int x;
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int y;
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} point;
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void fn1() {
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point.x = 42;
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}
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/* Nested member */
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struct {
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struct {
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int a;
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int b;
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} p1;
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} point2;
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void fn2() {
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point2.p1.a = 42;
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}
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/* Indirect reference */
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typedef struct __sf {
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unsigned char *c;
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short flags;
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} F;
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typedef struct __sf2 {
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F *ff;
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} F2;
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int fn3(F2 *c) {
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if (c->ff->c >= 0)
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return 1;
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else
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return 0;
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}
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/* Nested structs */
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typedef struct NA {
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int data;
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struct NA *next;
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} NA;
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void f1() { NA a; }
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typedef struct NB {
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int d1;
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struct _B2 {
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int d2;
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struct NB *n2;
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} B2;
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} NB;
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void f2() { NB b; }
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extern NB *f3();
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void f4() {
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f3()->d1 = 42;
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}
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void f5() {
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(f3())->d1 = 42;
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}
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/* Function calls */
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typedef struct {
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int location;
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int length;
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} range;
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extern range f6();
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void f7() {
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range r = f6();
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}
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/* Member expressions */
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typedef struct {
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range range1;
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range range2;
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} rangepair;
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void f8() {
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rangepair p;
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range r = p.range1;
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}
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void f9(range *p) {
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range r = *p;
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}
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void f10(range *p) {
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range r = p[0];
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}
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/* _Bool types */
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struct _w {
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short a,b;
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short c,d;
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short e,f;
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short g;
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unsigned int h,i;
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_Bool j,k;
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} ws;
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/* Implicit casts (due to typedefs) */
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typedef struct _a {
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int a;
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} a;
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void f11() {
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struct _a a1;
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a a2;
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a1 = a2;
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a2 = a1;
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}
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/* Implicit casts (due to const) */
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void f12() {
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struct _a a1;
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const struct _a a2;
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a1 = a2;
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}
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/* struct initialization */
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struct a13 {int b; int c;};
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struct a13 c13 = {5};
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typedef struct a13 a13;
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struct a14 { short a; int b; } x = {1, 1};
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/* flexible array members */
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struct a15 {char a; int b[];} c15;
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int a16(void) {c15.a = 1;}
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/* compound literals */
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void f13() {
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a13 x; x = (a13){1,2};
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}
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/* va_arg */
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int f14(int i, ...) {
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__builtin_va_list l;
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__builtin_va_start(l,i);
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a13 b = __builtin_va_arg(l, a13);
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int c = __builtin_va_arg(l, a13).c;
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return b.b;
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}
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/* Attribute packed */
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struct __attribute__((packed)) S2839 { double a[19]; signed char b; } s2839[5];
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struct __attribute__((packed)) SS { long double a; char b; } SS;
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/* As lvalue */
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int f15() {
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extern range f15_ext();
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return f15_ext().location;
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}
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range f16() {
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extern rangepair f16_ext();
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return f16_ext().range1;
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}
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int f17() {
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extern range f17_ext();
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range r;
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return (r = f17_ext()).location;
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}
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range f18() {
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extern rangepair f18_ext();
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rangepair rp;
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return (rp = f18_ext()).range1;
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}
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// Complex forward reference of struct.
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struct f19S;
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extern struct f19T {
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struct f19S (*p)(void);
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} t;
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struct f19S { int i; };
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void f19(void) {
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t.p();
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}
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