1; RUN: llc < %s -mtriple=i386-unknown-mingw32 | FileCheck %s
2
3; Check that a fastcall function gets correct mangling
4
5define x86_fastcallcc void @func(i64 %X, i8 %Y, i8 %G, i16 %Z) {
6; CHECK: @func@20:
7        ret void
8}
9
10define x86_fastcallcc i32 @"\01DoNotMangle"(i32 %a) {
11; CHECK: DoNotMangle:
12entry:
13  ret i32 %a
14}
15