2009-03-24 10:24:46 +08:00
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// RUN: clang-cc %s -emit-llvm -o -
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2008-01-03 05:54:09 +08:00
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// PR1895
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// sizeof function
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int zxcv(void);
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int x=sizeof(zxcv);
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int y=__alignof__(zxcv);
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2008-01-03 14:36:51 +08:00
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void *test(int *i) {
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short a = 1;
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i += a;
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i + a;
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a + i;
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}
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2008-01-30 15:01:17 +08:00
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_Bool test2b;
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2009-07-22 04:52:43 +08:00
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int test2() { if (test2b); return 0; }
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2008-01-30 15:01:17 +08:00
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2008-01-31 12:12:50 +08:00
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// PR1921
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int test3() {
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const unsigned char *bp;
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bp -= (short)1;
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}
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2008-02-21 13:45:29 +08:00
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// PR2080 - sizeof void
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int t1 = sizeof(void);
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int t2 = __alignof__(void);
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void test4() {
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t1 = sizeof(void);
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t2 = __alignof__(void);
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t1 = sizeof(test4());
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t2 = __alignof__(test4());
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}
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2008-06-28 06:48:56 +08:00
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// 'const float' promotes to double in varargs.
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int test5(const float x, float float_number) {
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return __builtin_isless(x, float_number);
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}
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2008-11-17 04:09:07 +08:00
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// this one shouldn't fold
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int ola() {
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int a=2;
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if ((0, (int)a) & 2) { return 1; }
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return 2;
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}
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2008-11-20 01:44:31 +08:00
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// this one shouldn't fold as well
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void eMaisUma() {
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double t[1];
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if (*t)
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return;
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}
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2009-02-11 15:21:43 +08:00
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// rdar://6520707
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void f0(void (*fp)(void), void (*fp2)(void)) {
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int x = fp - fp2;
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}
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2009-03-18 12:02:57 +08:00
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// noop casts as lvalues.
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struct X {
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int Y;
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};
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struct X foo();
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int bar() {
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return ((struct X)foo()).Y + 1;
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}
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2009-02-11 15:21:43 +08:00
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2009-03-18 12:25:13 +08:00
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// PR3809: INC/DEC of function pointers.
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void f2(void);
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unsigned f1(void) {
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void (*fp)(void) = f2;
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++fp;
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fp++;
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--fp;
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fp--;
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return (unsigned) fp;
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}
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2009-03-19 02:28:57 +08:00
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union f3_x {int x; float y;};
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int f3() {return ((union f3_x)2).x;}
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2009-03-19 02:30:44 +08:00
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union f4_y {int x; _Complex float y;};
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_Complex float f4() {return ((union f4_y)(_Complex float)2.0).y;}
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struct f5_a { int a; } f5_a;
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union f5_z {int x; struct f5_a y;};
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struct f5_a f5() {return ((union f5_z)f5_a).y;}
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2009-03-24 10:38:23 +08:00
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// ?: in "lvalue"
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struct s6 { int f0; };
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int f6(int a0, struct s6 a1, struct s6 a2) {
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return (a0 ? a1 : a2).f0;
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}
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2009-04-22 07:00:09 +08:00
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// PR4026
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void f7() {
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__func__;
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}
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2009-04-26 03:35:26 +08:00
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// PR4067
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int f8() {
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return ({ foo(); }).Y;
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}
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2009-05-13 05:28:12 +08:00
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// rdar://6880558
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struct S;
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struct C {
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int i;
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struct S *tab[];
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};
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struct S { struct C c; };
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void f9(struct S *x) {
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foo(((void)1, x->c).tab[0]);
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}
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