mirror of https://github.com/rust-lang/rust
42 lines
1.4 KiB
Rust
42 lines
1.4 KiB
Rust
// Checks if the "fastcall" calling convention marks function arguments
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// as "inreg" like the C/C++ compilers for the platforms.
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// x86 only.
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//@ compile-flags: --target i686-unknown-linux-gnu -O -C no-prepopulate-passes
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//@ needs-llvm-components: x86
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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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#[lang = "sized"]
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trait Sized {}
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#[lang = "copy"]
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trait Copy {}
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pub mod tests {
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// CHECK: @f1(i32 inreg noundef %_1, i32 inreg noundef %_2, i32 noundef %_3)
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#[no_mangle]
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pub extern "fastcall" fn f1(_: i32, _: i32, _: i32) {}
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// CHECK: @f2(ptr inreg noundef %_1, ptr inreg noundef %_2, ptr noundef %_3)
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#[no_mangle]
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pub extern "fastcall" fn f2(_: *const i32, _: *const i32, _: *const i32) {}
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// CHECK: @f3(float noundef %_1, i32 inreg noundef %_2, i32 inreg noundef %_3, i32 noundef %_4)
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#[no_mangle]
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pub extern "fastcall" fn f3(_: f32, _: i32, _: i32, _: i32) {}
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// CHECK: @f4(i32 inreg noundef %_1, float noundef %_2, i32 inreg noundef %_3, i32 noundef %_4)
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#[no_mangle]
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pub extern "fastcall" fn f4(_: i32, _: f32, _: i32, _: i32) {}
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// CHECK: @f5(i64 noundef %_1, i32 noundef %_2)
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#[no_mangle]
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pub extern "fastcall" fn f5(_: i64, _: i32) {}
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// CHECK: @f6(i1 inreg noundef zeroext %_1, i32 inreg noundef %_2, i32 noundef %_3)
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#[no_mangle]
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pub extern "fastcall" fn f6(_: bool, _: i32, _: i32) {}
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}
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