42 lines · c
1// RUN: %clang_cc1 -std=c2x -emit-llvm %s -o - | FileCheck %s2 3void basic_types(void) {4 auto nb = 4; // CHECK: alloca i325 auto dbl = 4.3; // CHECK: alloca double6 auto lng = 4UL; // CHECK: alloca i{{32|64}}7 auto bl = true; // CHECK: alloca i88 auto chr = 'A'; // CHECK: alloca i{{8|32}}9 auto str = "Test"; // CHECK: alloca ptr10 auto str2[] = "Test"; // CHECK: alloca [5 x i8]11 auto nptr = nullptr; // CHECK: alloca ptr12}13 14void misc_declarations(void) {15 // FIXME: this should end up being rejected when we implement underspecified16 // declarations in N3006.17 auto strct_ptr = (struct { int a; } *)0; // CHECK: alloca ptr18 auto int_cl = (int){13}; // CHECK: alloca i3219 auto double_cl = (double){2.5}; // CHECK: alloca double20 21 auto se = ({ // CHECK: alloca i3222 auto snb = 12; // CHECK: alloca i3223 snb;24 });25}26 27void loop(void) {28 auto j = 4; // CHECK: alloca i3229 for (auto i = j; i < 2 * j; i++); // CHECK: alloca i3230}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 36int macros(int in_int) {37 auto a = in_int + 1; // CHECK: alloca i3238 AUTO_MACRO(b, 1.3, 2.5f, 3); // CHECK: alloca double39 AUTO_INT_MACRO(c, 64, 23, 0xff); // CHECK: alloca i3240 return (a + (int)b) - c; // CHECK: ret i32 %{{.*}}41}42