// compile-flags: --crate-type=lib -Zmerge-functions=disabled -O #![feature(core_intrinsics)] use std::intrinsics::is_val_statically_known; pub struct A(u32); pub enum B { Ye(u32), } #[inline] pub fn _u32(a: u32) -> i32 { if unsafe { is_val_statically_known(a) } { 1 } else { 0 } } // CHECK-LABEL: @_u32_true( #[no_mangle] pub fn _u32_true() -> i32 { // CHECK: ret i32 1 _u32(1) } // CHECK-LABEL: @_u32_false( #[no_mangle] pub fn _u32_false(a: u32) -> i32 { // CHECK: ret i32 0 _u32(a) } #[inline] pub fn _bool(b: bool) -> i32 { if unsafe { is_val_statically_known(b) } { 3 } else { 2 } } // CHECK-LABEL: @_bool_true( #[no_mangle] pub fn _bool_true() -> i32 { // CHECK: ret i32 3 _bool(true) } // CHECK-LABEL: @_bool_false( #[no_mangle] pub fn _bool_false(b: bool) -> i32 { // CHECK: ret i32 2 _bool(b) }