mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-12 00:24:03 +00:00
281 lines
13 KiB
Rust
281 lines
13 KiB
Rust
// ignore-tidy-linelength
|
|
//@ revisions:aarch64 loongarch64 powerpc64 sparc64
|
|
//@ compile-flags: -O -C no-prepopulate-passes
|
|
|
|
//@[aarch64] compile-flags: --target aarch64-unknown-linux-gnu
|
|
//@[aarch64] needs-llvm-components: arm
|
|
//@[loongarch64] compile-flags: --target loongarch64-unknown-linux-gnu
|
|
//@[loongarch64] needs-llvm-components: loongarch
|
|
//@[powerpc64] compile-flags: --target powerpc64-unknown-linux-gnu
|
|
//@[powerpc64] needs-llvm-components: powerpc
|
|
//@[sparc64] compile-flags: --target sparc64-unknown-linux-gnu
|
|
//@[sparc64] needs-llvm-components: sparc
|
|
|
|
// Tests that arguments with `PassMode::Cast` are handled correctly.
|
|
|
|
#![feature(no_core, lang_items)]
|
|
#![crate_type = "lib"]
|
|
#![no_std]
|
|
#![no_core]
|
|
|
|
#[lang="sized"] trait Sized { }
|
|
#[lang="freeze"] trait Freeze { }
|
|
#[lang="copy"] trait Copy { }
|
|
|
|
// This struct will be passed as a single `i64` or `i32`.
|
|
// This may be (if `i64)) larger than the Rust layout, which is just `{ i16, i16 }`.
|
|
#[repr(C)]
|
|
pub struct TwoU16s {
|
|
a: u16,
|
|
b: u16,
|
|
}
|
|
|
|
// This struct will be passed as `[2 x i64]`.
|
|
// This is larger than the Rust layout.
|
|
#[repr(C)]
|
|
pub struct FiveU16s {
|
|
a: u16,
|
|
b: u16,
|
|
c: u16,
|
|
d: u16,
|
|
e: u16,
|
|
}
|
|
|
|
// This struct will be passed as `[2 x double]`.
|
|
// This is the same as the Rust layout.
|
|
#[repr(C)]
|
|
pub struct DoubleDouble {
|
|
f: f64,
|
|
g: f64,
|
|
}
|
|
|
|
// On loongarch, this struct will be passed as `{ double, float }`.
|
|
// This is smaller than the Rust layout, which has trailing padding (`{ f64, f32, <f32 padding> }`)
|
|
#[repr(C)]
|
|
pub struct DoubleFloat {
|
|
f: f64,
|
|
g: f32,
|
|
}
|
|
|
|
extern "C" {
|
|
fn receives_twou16s(x: TwoU16s);
|
|
fn returns_twou16s() -> TwoU16s;
|
|
|
|
fn receives_fiveu16s(x: FiveU16s);
|
|
fn returns_fiveu16s() -> FiveU16s;
|
|
|
|
fn receives_doubledouble(x: DoubleDouble);
|
|
fn returns_doubledouble() -> DoubleDouble;
|
|
|
|
// These functions cause an ICE in sparc64 ABI code (https://github.com/rust-lang/rust/issues/122620)
|
|
#[cfg(not(target_arch = "sparc64"))]
|
|
fn receives_doublefloat(x: DoubleFloat);
|
|
#[cfg(not(target_arch = "sparc64"))]
|
|
fn returns_doublefloat() -> DoubleFloat;
|
|
}
|
|
|
|
// CHECK-LABEL: @call_twou16s
|
|
#[no_mangle]
|
|
pub unsafe fn call_twou16s() {
|
|
// aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]]
|
|
// loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]]
|
|
// powerpc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i32]], align [[ABI_ALIGN:4]]
|
|
// sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]]
|
|
|
|
// CHECK: [[RUST_ALLOCA:%.+]] = alloca %TwoU16s, align [[RUST_ALIGN:2]]
|
|
|
|
// CHECK: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 4, i1 false)
|
|
// CHECK: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// CHECK: call void @receives_twou16s([[ABI_TYPE]] [[ABI_VALUE]])
|
|
let x = TwoU16s { a: 1, b: 2 };
|
|
receives_twou16s(x);
|
|
}
|
|
|
|
// CHECK-LABEL: @return_twou16s
|
|
#[no_mangle]
|
|
pub unsafe fn return_twou16s() -> TwoU16s {
|
|
// powerpc returns this struct via sret pointer, it doesn't use the cast ABI.
|
|
|
|
// powerpc64: [[RETVAL:%.+]] = alloca %TwoU16s, align 2
|
|
// powerpc64: call void @returns_twou16s(ptr {{.+}} [[RETVAL]])
|
|
|
|
|
|
// The other targets copy the cast ABI type to an alloca.
|
|
|
|
// aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]]
|
|
// loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]]
|
|
// sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]]
|
|
|
|
// aarch64: [[RUST_ALLOCA:%.+]] = alloca %TwoU16s, align [[RUST_ALIGN:2]]
|
|
// loongarch64: [[RUST_ALLOCA:%.+]] = alloca %TwoU16s, align [[RUST_ALIGN:2]]
|
|
// sparc64: [[RUST_ALLOCA:%.+]] = alloca %TwoU16s, align [[RUST_ALIGN:2]]
|
|
|
|
// aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_twou16s()
|
|
// loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_twou16s()
|
|
// sparc64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_twou16s()
|
|
|
|
// aarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// loongarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// sparc64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
|
|
// aarch64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 4, i1 false)
|
|
// loongarch64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 4, i1 false)
|
|
// sparc64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 4, i1 false)
|
|
returns_twou16s()
|
|
}
|
|
|
|
// CHECK-LABEL: @call_fiveu16s
|
|
#[no_mangle]
|
|
pub unsafe fn call_fiveu16s() {
|
|
// CHECK: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]]
|
|
|
|
// CHECK: [[RUST_ALLOCA:%.+]] = alloca %FiveU16s, align 2
|
|
|
|
// CHECK: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 10, i1 false)
|
|
// CHECK: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// CHECK: call void @receives_fiveu16s([[ABI_TYPE]] [[ABI_VALUE]])
|
|
let x = FiveU16s { a: 1, b: 2, c: 3, d: 4, e: 5 };
|
|
receives_fiveu16s(x);
|
|
}
|
|
|
|
// CHECK-LABEL: @return_fiveu16s
|
|
// CHECK-SAME: (ptr {{.+}} sret([10 x i8]) align [[RUST_ALIGN:2]] dereferenceable(10) [[RET_PTR:%.+]])
|
|
#[no_mangle]
|
|
pub unsafe fn return_fiveu16s() -> FiveU16s {
|
|
// powerpc returns this struct via sret pointer, it doesn't use the cast ABI.
|
|
|
|
// powerpc64: call void @returns_fiveu16s(ptr {{.+}} [[RET_PTR]])
|
|
|
|
|
|
// The other targets copy the cast ABI type to the sret pointer.
|
|
|
|
// aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]]
|
|
// loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]]
|
|
// sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]]
|
|
|
|
// aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_fiveu16s()
|
|
// loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_fiveu16s()
|
|
// sparc64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_fiveu16s()
|
|
|
|
// aarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// loongarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// sparc64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
|
|
// aarch64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RET_PTR]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 10, i1 false)
|
|
// loongarch64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RET_PTR]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 10, i1 false)
|
|
// sparc64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RET_PTR]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 10, i1 false)
|
|
returns_fiveu16s()
|
|
}
|
|
|
|
// CHECK-LABEL: @call_doubledouble
|
|
#[no_mangle]
|
|
pub unsafe fn call_doubledouble() {
|
|
// aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x double\]]], align [[ABI_ALIGN:8]]
|
|
// loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, double }]], align [[ABI_ALIGN:8]]
|
|
// powerpc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]]
|
|
// sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, double }]], align [[ABI_ALIGN:8]]
|
|
|
|
// CHECK: [[RUST_ALLOCA:%.+]] = alloca %DoubleDouble, align [[RUST_ALIGN:8]]
|
|
|
|
// CHECK: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 16, i1 false)
|
|
// CHECK: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// CHECK: call void @receives_doubledouble([[ABI_TYPE]] [[ABI_VALUE]])
|
|
let x = DoubleDouble { f: 1., g: 2. };
|
|
receives_doubledouble(x);
|
|
}
|
|
|
|
// CHECK-LABEL: @return_doubledouble
|
|
#[no_mangle]
|
|
pub unsafe fn return_doubledouble() -> DoubleDouble {
|
|
// powerpc returns this struct via sret pointer, it doesn't use the cast ABI.
|
|
|
|
// powerpc64: [[RETVAL:%.+]] = alloca %DoubleDouble, align 8
|
|
// powerpc64: call void @returns_doubledouble(ptr {{.+}} [[RETVAL]])
|
|
|
|
|
|
// The other targets copy the cast ABI type to an alloca.
|
|
|
|
// aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x double\]]], align [[ABI_ALIGN:8]]
|
|
// loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, double }]], align [[ABI_ALIGN:8]]
|
|
// sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, double }]], align [[ABI_ALIGN:8]]
|
|
|
|
// aarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleDouble, align [[RUST_ALIGN:8]]
|
|
// loongarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleDouble, align [[RUST_ALIGN:8]]
|
|
// sparc64: [[RUST_ALLOCA:%.+]] = alloca %DoubleDouble, align [[RUST_ALIGN:8]]
|
|
|
|
// aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doubledouble()
|
|
// loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doubledouble()
|
|
// sparc64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doubledouble()
|
|
|
|
// aarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// loongarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// sparc64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
|
|
// aarch64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 16, i1 false)
|
|
// loongarch64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 16, i1 false)
|
|
// sparc64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 16, i1 false)
|
|
returns_doubledouble()
|
|
}
|
|
|
|
// This test causes an ICE in sparc64 ABI code (https://github.com/rust-lang/rust/issues/122620)
|
|
#[cfg(not(target_arch = "sparc64"))]
|
|
// aarch64-LABEL: @call_doublefloat
|
|
// loongarch64-LABEL: @call_doublefloat
|
|
// powerpc64-LABEL: @call_doublefloat
|
|
#[no_mangle]
|
|
pub unsafe fn call_doublefloat() {
|
|
// aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]]
|
|
// loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, float }]], align [[ABI_ALIGN:8]]
|
|
// powerpc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]]
|
|
|
|
// aarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]]
|
|
// loongarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]]
|
|
// powerpc64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]]
|
|
|
|
// aarch64: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 16, i1 false)
|
|
// loongarch64: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 12, i1 false)
|
|
// powerpc64: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 16, i1 false)
|
|
|
|
// aarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// loongarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// powerpc64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
|
|
// aarch64: call void @receives_doublefloat([[ABI_TYPE]] {{(inreg )?}}[[ABI_VALUE]])
|
|
// loongarch64: call void @receives_doublefloat([[ABI_TYPE]] {{(inreg )?}}[[ABI_VALUE]])
|
|
// powerpc64: call void @receives_doublefloat([[ABI_TYPE]] {{(inreg )?}}[[ABI_VALUE]])
|
|
let x = DoubleFloat { f: 1., g: 2. };
|
|
receives_doublefloat(x);
|
|
}
|
|
|
|
// This test causes an ICE in sparc64 ABI code (https://github.com/rust-lang/rust/issues/122620)
|
|
#[cfg(not(target_arch = "sparc64"))]
|
|
// aarch64-LABEL: @return_doublefloat
|
|
// loongarch64-LABEL: @return_doublefloat
|
|
// powerpc64-LABEL: @return_doublefloat
|
|
#[no_mangle]
|
|
pub unsafe fn return_doublefloat() -> DoubleFloat {
|
|
// powerpc returns this struct via sret pointer, it doesn't use the cast ABI.
|
|
|
|
// powerpc64: [[RETVAL:%.+]] = alloca %DoubleFloat, align 8
|
|
// powerpc64: call void @returns_doublefloat(ptr {{.+}} [[RETVAL]])
|
|
|
|
|
|
// The other targets copy the cast ABI type to an alloca.
|
|
|
|
// aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]]
|
|
// loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, float }]], align [[ABI_ALIGN:8]]
|
|
|
|
// aarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]]
|
|
// loongarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]]
|
|
|
|
// aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doublefloat()
|
|
// loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doublefloat()
|
|
|
|
// aarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
// loongarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]]
|
|
|
|
// aarch64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 16, i1 false)
|
|
// loongarch64: call void @llvm.memcpy.{{.+}}(ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], i64 12, i1 false)
|
|
returns_doublefloat()
|
|
}
|