187 lines
4.4 KiB
Rust
187 lines
4.4 KiB
Rust
//@ compile-flags: --target riscv64gc-unknown-linux-gnu -O -C no-prepopulate-passes -C panic=abort
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//@ needs-llvm-components: riscv
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#![crate_type = "lib"]
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#![no_core]
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#![feature(no_core, lang_items)]
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#![allow(improper_ctypes)]
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#[lang = "sized"]
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trait Sized {}
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#[lang = "copy"]
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trait Copy {}
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impl Copy for bool {}
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impl Copy for i8 {}
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impl Copy for u8 {}
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impl Copy for i32 {}
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impl Copy for i64 {}
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impl Copy for u64 {}
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impl Copy for f32 {}
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impl Copy for f64 {}
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impl<T> Copy for *mut T {}
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// CHECK: define void @f_void()
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#[no_mangle]
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pub extern "C" fn f_void() {}
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// CHECK: define noundef zeroext i1 @f_scalar_0(i1 noundef zeroext %a)
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#[no_mangle]
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pub extern "C" fn f_scalar_0(a: bool) -> bool {
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a
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}
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// CHECK: define noundef signext i8 @f_scalar_1(i8 noundef signext %x)
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#[no_mangle]
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pub extern "C" fn f_scalar_1(x: i8) -> i8 {
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x
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}
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// CHECK: define noundef zeroext i8 @f_scalar_2(i8 noundef zeroext %x)
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#[no_mangle]
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pub extern "C" fn f_scalar_2(x: u8) -> u8 {
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x
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}
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// CHECK: define noundef signext i32 @f_scalar_3(i32 noundef signext %x)
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#[no_mangle]
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pub extern "C" fn f_scalar_3(x: i32) -> u32 {
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x as u32
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}
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// CHECK: define noundef i64 @f_scalar_4(i64 noundef %x)
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#[no_mangle]
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pub extern "C" fn f_scalar_4(x: i64) -> i64 {
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x
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}
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// CHECK: define float @f_fp_scalar_1(float %0)
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#[no_mangle]
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pub extern "C" fn f_fp_scalar_1(x: f32) -> f32 {
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x
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}
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// CHECK: define double @f_fp_scalar_2(double %0)
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#[no_mangle]
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pub extern "C" fn f_fp_scalar_2(x: f64) -> f64 {
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x
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}
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#[repr(C)]
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pub struct Empty {}
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// CHECK: define void @f_agg_empty_struct()
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#[no_mangle]
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pub extern "C" fn f_agg_empty_struct(e: Empty) -> Empty {
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e
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}
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#[repr(C)]
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pub struct Tiny {
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a: u16,
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b: u16,
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c: u16,
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d: u16,
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}
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// CHECK: define void @f_agg_tiny(i64 %0)
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#[no_mangle]
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pub extern "C" fn f_agg_tiny(mut e: Tiny) {}
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// CHECK: define i64 @f_agg_tiny_ret()
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#[no_mangle]
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pub extern "C" fn f_agg_tiny_ret() -> Tiny {
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Tiny { a: 1, b: 2, c: 3, d: 4 }
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}
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#[repr(C)]
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pub struct Small {
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a: i64,
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b: *mut i64,
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}
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// CHECK: define void @f_agg_small([2 x i64] %0)
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#[no_mangle]
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pub extern "C" fn f_agg_small(mut x: Small) {}
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// CHECK: define [2 x i64] @f_agg_small_ret()
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#[no_mangle]
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pub extern "C" fn f_agg_small_ret() -> Small {
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Small { a: 1, b: 0 as *mut _ }
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}
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#[repr(C)]
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pub struct SmallAligned {
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a: i128,
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}
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// CHECK: define void @f_agg_small_aligned(i128 %0)
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#[no_mangle]
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pub extern "C" fn f_agg_small_aligned(mut x: SmallAligned) {}
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#[repr(C)]
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pub struct Large {
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a: i64,
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b: i64,
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c: i64,
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d: i64,
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}
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// CHECK: define void @f_agg_large(ptr {{.*}}%x)
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#[no_mangle]
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pub extern "C" fn f_agg_large(mut x: Large) {}
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// CHECK: define void @f_agg_large_ret(ptr {{.*}}sret{{.*}}, i32 noundef signext %i, i8 noundef signext %j)
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#[no_mangle]
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pub extern "C" fn f_agg_large_ret(i: i32, j: i8) -> Large {
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Large { a: 1, b: 2, c: 3, d: 4 }
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}
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// CHECK: define void @f_scalar_stack_1(i64 %0, [2 x i64] %1, i128 %2, ptr {{.*}}%d, i8 noundef zeroext %e, i8 noundef signext %f, i8 noundef %g, i8 noundef %h)
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#[no_mangle]
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pub extern "C" fn f_scalar_stack_1(
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a: Tiny,
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b: Small,
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c: SmallAligned,
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d: Large,
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e: u8,
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f: i8,
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g: u8,
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h: i8,
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) {
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}
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// CHECK: define void @f_scalar_stack_2(ptr {{.*}}sret{{.*}} %_0, i64 noundef %a, i128 %0, i128 %1, i64 noundef %d, i8 noundef zeroext %e, i8 noundef %f, i8 noundef %g)
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#[no_mangle]
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pub extern "C" fn f_scalar_stack_2(
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a: u64,
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b: SmallAligned,
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c: SmallAligned,
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d: u64,
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e: u8,
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f: i8,
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g: u8,
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) -> Large {
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Large { a: a as i64, b: e as i64, c: f as i64, d: g as i64 }
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}
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extern "C" {
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fn f_va_callee(_: i32, ...) -> i32;
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}
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#[no_mangle]
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pub unsafe extern "C" fn f_va_caller() {
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// CHECK: call noundef signext i32 (i32, ...) @f_va_callee(i32 noundef signext 1, i32 noundef signext 2, i64 noundef 3, double {{.*}}, double {{.*}}, i64 {{.*}}, [2 x i64] {{.*}}, i128 {{.*}}, ptr {{.*}})
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f_va_callee(
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1,
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2i32,
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3i64,
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4.0f64,
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5.0f64,
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Tiny { a: 1, b: 2, c: 3, d: 4 },
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Small { a: 10, b: 0 as *mut _ },
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SmallAligned { a: 11 },
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Large { a: 12, b: 13, c: 14, d: 15 },
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);
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// CHECK: call noundef signext i32 (i32, ...) @f_va_callee(i32 noundef signext 1, i32 noundef signext 2, i32 noundef signext 3, i32 noundef signext 4, i128 {{.*}}, i32 noundef signext 6, i32 noundef signext 7, i32 noundef 8, i32 noundef 9)
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f_va_callee(1, 2i32, 3i32, 4i32, SmallAligned { a: 5 }, 6i32, 7i32, 8i32, 9i32);
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}
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