-; RUN: llc < %s -tailcallopt -march=x86-64 -post-RA-scheduler=true | FileCheck %s
+; RUN: llc < %s -tailcallopt -mcpu=generic -mtriple=x86_64-linux -post-RA-scheduler=true | FileCheck %s
+; RUN: llc < %s -tailcallopt -mcpu=generic -mtriple=x86_64-win32 -post-RA-scheduler=true | FileCheck %s
+
+; FIXME: Redundant unused stack allocation could be eliminated.
+; CHECK: subq ${{24|72|80}}, %rsp
; Check that lowered arguments on the stack do not overwrite each other.
; Add %in1 %p1 to a different temporary register (%eax).
-; CHECK: movl 32(%rsp), %eax
+; CHECK: movl [[A1:32|144]](%rsp), [[R1:%e..]]
; Move param %in1 to temp register (%r10d).
-; CHECK: movl 40(%rsp), %r10d
+; CHECK: movl [[A2:40|152]](%rsp), [[R2:%[a-z0-9]+]]
; Add %in1 %p1 to a different temporary register (%eax).
-; CHECK: addl %edi, %eax
+; CHECK: addl {{%edi|%ecx}}, [[R1]]
; Move param %in2 to stack.
-; CHECK: movl %r10d, 32(%rsp)
+; CHECK-DAG: movl [[R2]], [[A1]](%rsp)
; Move result of addition to stack.
-; CHECK: movl %eax, 40(%rsp)
+; CHECK-DAG: movl [[R1]], [[A2]](%rsp)
; Eventually, do a TAILCALL
; CHECK: TAILCALL