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// Checks that only functions with the compatible instruction_set attributes are inlined.
//
// A function is "compatible" when the *callee* has the same attribute or no attribute.
//
//@ compile-flags: --target thumbv4t-none-eabi
//@ needs-llvm-components: arm
#![crate_type = "lib"]
#![feature(rustc_attrs)]
#![feature(no_core, lang_items)]
#![feature(isa_attribute)]
#![no_core]
#[rustc_builtin_macro]
#[macro_export]
macro_rules! asm {
("assembly template",
$(operands,)*
$(options($(option),*))?
) => {
/* compiler built-in */
};
}
#[lang = "sized"]
trait Sized {}
#[lang = "copy"]
trait Copy {}
#[instruction_set(arm::a32)]
#[inline]
fn instruction_set_a32() {}
#[instruction_set(arm::t32)]
#[inline]
fn instruction_set_t32() {}
#[inline]
fn instruction_set_default() {}
#[inline(always)]
fn inline_always_and_using_inline_asm() {
unsafe { asm!("/* do nothing */") };
}
// EMIT_MIR inline_instruction_set.t32.Inline.diff
#[instruction_set(arm::t32)]
pub fn t32() {
// CHECK-LABEL: fn t32(
// CHECK-NOT: (inlined instruction_set_a32)
instruction_set_a32();
// CHECK: (inlined instruction_set_t32)
instruction_set_t32();
// CHECK: (inlined instruction_set_default)
instruction_set_default();
// CHECK-NOT: (inlined inline_always_and_using_inline_asm)
inline_always_and_using_inline_asm();
}
// EMIT_MIR inline_instruction_set.default.Inline.diff
pub fn default() {
// CHECK-LABEL: fn default(
// CHECK-NOT: (inlined instruction_set_a32)
instruction_set_a32();
// CHECK-NOT: (inlined instruction_set_t32)
instruction_set_t32();
// CHECK: (inlined instruction_set_default)
instruction_set_default();
// CHECK: (inlined inline_always_and_using_inline_asm)
inline_always_and_using_inline_asm();
}
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