const-init.c revision 8dca3b3d09ff48b3ec528cd603f835f120c4d9ee
1// RUN: clang-cc -triple i386-pc-linux-gnu -verify -emit-llvm -o %t %s && 2 3#include <stdint.h> 4 5// Brace-enclosed string array initializers 6char a[] = { "asdf" }; 7 8// Double-implicit-conversions of array/functions (not legal C, but 9// clang accepts it for gcc compat). 10intptr_t b = a; // expected-warning {{incompatible pointer to integer conversion}} 11int c(); 12void *d = c; 13intptr_t e = c; // expected-warning {{incompatible pointer to integer conversion}} 14 15int f, *g = __extension__ &f, *h = (1 != 1) ? &f : &f; 16 17union s2 { 18 struct { 19 struct { } *f0; 20 } f0; 21}; 22 23int g0 = (int)(&(((union s2 *) 0)->f0.f0) - 0); 24 25// RUN: grep '@g1x = global %. { double 1.000000e+00, double 0.000000e+00 }' %t && 26_Complex double g1x = 1.0f; 27// RUN: grep '@g1y = global %. { double 0.000000e+00, double 1.000000e+00 }' %t && 28_Complex double g1y = 1.0fi; 29// RUN: grep '@g1 = global %. { i8 1, i8 10 }' %t && 30_Complex char g1 = (char) 1 + (char) 10 * 1i; 31// RUN: grep '@g2 = global %2 { i32 1, i32 10 }' %t && 32_Complex int g2 = 1 + 10i; 33// RUN: grep '@g3 = global %. { float 1.000000e+00, float 1.000000e+01 }' %t && 34_Complex float g3 = 1.0 + 10.0i; 35// RUN: grep '@g4 = global %. { double 1.000000e+00, double 1.000000e+01 }' %t && 36_Complex double g4 = 1.0 + 10.0i; 37// RUN: grep '@g5 = global %2 zeroinitializer' %t && 38_Complex int g5 = (2 + 3i) == (5 + 7i); 39// RUN: grep '@g6 = global %. { double -1.100000e+01, double 2.900000e+01 }' %t && 40_Complex double g6 = (2.0 + 3.0i) * (5.0 + 7.0i); 41// RUN: grep '@g7 = global i32 1' %t && 42int g7 = (2 + 3i) * (5 + 7i) == (-11 + 29i); 43// RUN: grep '@g8 = global i32 1' %t && 44int g8 = (2.0 + 3.0i) * (5.0 + 7.0i) == (-11.0 + 29.0i); 45// RUN: grep '@g9 = global i32 0' %t && 46int g9 = (2 + 3i) * (5 + 7i) != (-11 + 29i); 47// RUN: grep '@g10 = global i32 0' %t && 48int g10 = (2.0 + 3.0i) * (5.0 + 7.0i) != (-11.0 + 29.0i); 49 50 51// Global references 52// RUN: grep '@g11.l0 = internal global i32 ptrtoint (i32 ()\* @g11 to i32)' %t && 53long g11() { 54 static long l0 = (long) g11; 55 return l0; 56} 57 58// RUN: grep '@g12 = global i32 ptrtoint (i8\* @g12_tmp to i32)' %t && 59static char g12_tmp; 60long g12 = (long) &g12_tmp; 61 62// RUN: grep '@g13 = global %. <{ %. { i32 ptrtoint (i8\* @g12_tmp to i32) } }>' %t && 63struct g13_s0 { 64 long a; 65}; 66struct g13_s0 g13[] = { 67 { (long) &g12_tmp } 68}; 69 70// RUN: grep '@g14 = global i8\* inttoptr (i64 100 to i8\*)' %t && 71void *g14 = (void*) 100; 72 73// RUN: grep '@g15 = global i32 -1' %t && 74int g15 = (int) (char) ((void*) 0 + 255); 75 76// RUN: grep '@g16 = global i64 4294967295' %t && 77long long g16 = (long long) ((void*) 0xFFFFFFFF); 78 79// RUN: grep '@g17 = global i32\* @g15' %t && 80int *g17 = (int *) ((long) &g15); 81 82// RUN: grep '@g18.p = internal global \[1 x i32\*\] \[i32\* @g19\]' %t && 83void g18(void) { 84 extern int g19; 85 static int *p[] = { &g19 }; 86} 87 88// RUN: grep '@g20.l0 = internal global %. { .struct.g20_s0\* null, .struct.g20_s0\*\* getelementptr (.struct.g20_s1\* bitcast (%.\* @g20.l0 to .struct.g20_s1\*), i32 0, i32 0) }' %t && 89 90struct g20_s0; 91struct g20_s1 { 92 struct g20_s0 *f0, **f1; 93}; 94void *g20(void) { 95 static struct g20_s1 l0 = { ((void*) 0), &l0.f0 }; 96 return l0.f1; 97} 98 99// PR4108 100struct g21 {int g21;}; 101const struct g21 g21 = (struct g21){1}; 102 103// RUN: true 104 105