1 // RUN: %clang_cc1 -std=c2x -emit-llvm %s -o - | FileCheck %s
2
basic_types(void)3 void basic_types(void) {
4 auto nb = 4; // CHECK: alloca i32
5 auto dbl = 4.3; // CHECK: alloca double
6 auto lng = 4UL; // CHECK: alloca i{{32|64}}
7 auto bl = true; // CHECK: alloca i8
8 auto chr = 'A'; // CHECK: alloca i{{8|32}}
9 auto str = "Test"; // CHECK: alloca ptr
10 auto str2[] = "Test"; // CHECK: alloca [5 x i8]
11 auto nptr = nullptr; // CHECK: alloca ptr
12 }
13
misc_declarations(void)14 void misc_declarations(void) {
15 // FIXME: this should end up being rejected when we implement underspecified
16 // declarations in N3006.
17 auto strct_ptr = (struct { int a; } *)0; // CHECK: alloca ptr
18 auto int_cl = (int){13}; // CHECK: alloca i32
19 auto double_cl = (double){2.5}; // CHECK: alloca double
20
21 auto se = ({ // CHECK: alloca i32
22 auto snb = 12; // CHECK: alloca i32
23 snb;
24 });
25 }
26
loop(void)27 void loop(void) {
28 auto j = 4; // CHECK: alloca i32
29 for (auto i = j; i < 2 * j; i++); // CHECK: alloca i32
30 }
31
32 #define AUTO_MACRO(_NAME, ARG, ARG2, ARG3) auto _NAME = ARG + (ARG2 / ARG3);
33
34 #define AUTO_INT_MACRO(_NAME, ARG, ARG2, ARG3) auto _NAME = (ARG ^ ARG2) & ARG3;
35
macros(int in_int)36 int macros(int in_int) {
37 auto a = in_int + 1; // CHECK: alloca i32
38 AUTO_MACRO(b, 1.3, 2.5f, 3); // CHECK: alloca double
39 AUTO_INT_MACRO(c, 64, 23, 0xff); // CHECK: alloca i32
40 return (a + (int)b) - c; // CHECK: ret i32 %{{.*}}
41 }
42