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// RUN: %clang_cc1 -std=c2x -emit-llvm %s -o - | FileCheck %s
void basic_types(void) {
auto nb = 4; // CHECK: alloca i32
auto dbl = 4.3; // CHECK: alloca double
auto lng = 4UL; // CHECK: alloca i{{32|64}}
auto bl = true; // CHECK: alloca i8
auto chr = 'A'; // CHECK: alloca i{{8|32}}
auto str = "Test"; // CHECK: alloca ptr
auto str2[] = "Test"; // CHECK: alloca [5 x i8]
auto nptr = nullptr; // CHECK: alloca ptr
}
void misc_declarations(void) {
// FIXME: this should end up being rejected when we implement underspecified
// declarations in N3006.
auto strct_ptr = (struct { int a; } *)0; // CHECK: alloca ptr
auto int_cl = (int){13}; // CHECK: alloca i32
auto double_cl = (double){2.5}; // CHECK: alloca double
auto se = ({ // CHECK: alloca i32
auto snb = 12; // CHECK: alloca i32
snb;
});
}
void loop(void) {
auto j = 4; // CHECK: alloca i32
for (auto i = j; i < 2 * j; i++); // CHECK: alloca i32
}
#define AUTO_MACRO(_NAME, ARG, ARG2, ARG3) auto _NAME = ARG + (ARG2 / ARG3);
#define AUTO_INT_MACRO(_NAME, ARG, ARG2, ARG3) auto _NAME = (ARG ^ ARG2) & ARG3;
int macros(int in_int) {
auto a = in_int + 1; // CHECK: alloca i32
AUTO_MACRO(b, 1.3, 2.5f, 3); // CHECK: alloca double
AUTO_INT_MACRO(c, 64, 23, 0xff); // CHECK: alloca i32
return (a + (int)b) - c; // CHECK: ret i32 %{{.*}}
}
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