Cleaned up the code and added tests.

1 files changed, 85 insertions, 0 deletions

diff --git a/src/test/codegen/fastcall-inreg.rs b/src/test/codegen/fastcall-inreg.rs
new file mode 100644
index 00000000000..e1dda4d2be0
--- /dev/null
+++ b/src/test/codegen/fastcall-inreg.rs
@@ -0,0 +1,85 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Checks if the "fastcall" calling convention marks function arguments
+// as "inreg" like the C/C++ compilers for the platforms.
+// x86 only.
+
+// ignore-aarch64
+// ignore-aarch64_be
+// ignore-arm
+// ignore-armeb
+// ignore-avr
+// ignore-bpfel
+// ignore-bpfeb
+// ignore-hexagon
+// ignore-mips
+// ignore-mipsel
+// ignore-mips64
+// ignore-mips64el
+// ignore-msp430
+// ignore-powerpc64
+// ignore-powerpc64le
+// ignore-powerpc
+// ignore-r600
+// ignore-amdgcn
+// ignore-sparc
+// ignore-sparcv9
+// ignore-sparcel
+// ignore-s390x
+// ignore-tce
+// ignore-thumb
+// ignore-thumbeb
+// ignore-x86_64 no-ignore-x86
+// ignore-xcore
+// ignore-nvptx
+// ignore-nvptx64
+// ignore-le32
+// ignore-le64
+// ignore-amdil
+// ignore-amdil64
+// ignore-hsail
+// ignore-hsail64
+// ignore-spir
+// ignore-spir64
+// ignore-kalimba
+// ignore-shave
+// ignore-wasm32
+// ignore-wasm64
+
+// compile-flags: -C no-prepopulate-passes
+
+#![crate_type = "lib"]
+
+mod tests {
+    // CHECK: @f1(i32 inreg, i32 inreg, i32)
+    #[no_mangle]
+    extern "fastcall" fn f1(_: i32, _: i32, _: i32) {}
+
+    // CHECK: @f2(i32* inreg, i32* inreg, i32*)
+    #[no_mangle]
+    extern "fastcall" fn f2(_: *const i32, _: *const i32, _: *const i32) {}
+
+    // CHECK: @f3(float, i32 inreg, i32 inreg, i32)
+    #[no_mangle]
+    extern "fastcall" fn f3(_: f32, _: i32, _: i32, _: i32) {}
+
+    // CHECK: @f4(i32 inreg, float, i32 inreg, i32)
+    #[no_mangle]
+    extern "fastcall" fn f4(_: i32, _: f32, _: i32, _: i32) {}
+
+    // CHECK: @f5(i64, i32)
+    #[no_mangle]
+    extern "fastcall" fn f5(_: i64, _: i32) {}
+
+    // CHECK: @f6(i1 inreg zeroext, i32 inreg, i32)
+    #[no_mangle]
+    extern "fastcall" fn f6(_: bool, _: i32, _: i32) {}
+}