; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s -check-prefix=LINUX
; Verify that the 5th and 6th parameters are coming from the correct location
; on the stack.
entry:
; CHECK: movl 48(%rsp), %eax
; CHECK: addl 40(%rsp), %eax
+; LINUX: addl %r9d, %r8d
+; LINUX: movl %r8d, %eax
+ %add = add nsw i32 %p6, %p5
+ ret i32 %add
+}
+
+define x86_64_win64cc i32 @f7(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6) nounwind readnone optsize {
+entry:
+; CHECK: movl 48(%rsp), %eax
+; CHECK: addl 40(%rsp), %eax
+; LINUX: movl 48(%rsp), %eax
+; LINUX: addl 40(%rsp), %eax
+ %add = add nsw i32 %p6, %p5
+ ret i32 %add
+}
+
+; Verify that even though we're compiling for Windows, parameters behave as
+; on other platforms here (note the x86_64_sysvcc calling convention).
+define x86_64_sysvcc i32 @f8(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6) nounwind readnone optsize {
+entry:
+; CHECK: addl %r9d, %r8d
+; CHECK: movl %r8d, %eax
+; LINUX: addl %r9d, %r8d
+; LINUX: movl %r8d, %eax
%add = add nsw i32 %p6, %p5
ret i32 %add
}