Target/X86: Tweak win64's tailcall.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124272 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/tailcallstack64.ll b/test/CodeGen/X86/tailcallstack64.ll
index 52b074d..0c732d5 100644
--- a/test/CodeGen/X86/tailcallstack64.ll
+++ b/test/CodeGen/X86/tailcallstack64.ll
@@ -1,16 +1,20 @@
-; RUN: llc < %s -tailcallopt -march=x86-64 -post-RA-scheduler=true | FileCheck %s
+; RUN: llc < %s -tailcallopt -mtriple=x86_64-linux -post-RA-scheduler=true | FileCheck %s
+; RUN: llc < %s -tailcallopt -mtriple=x86_64-win32 -post-RA-scheduler=true | FileCheck %s
+
+; FIXME: Redundant unused stack allocation could be eliminated.
+; CHECK: subq  ${{24|88}}, %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), %eax
 ; Move param %in1 to temp register (%r10d).
-; CHECK: movl  40(%rsp), %r10d
+; CHECK: movl  [[A2:40|152]](%rsp), %r10d
 ; Add %in1 %p1 to a different temporary register (%eax).
-; CHECK: addl %edi, %eax
+; CHECK: addl {{%edi|%ecx}}, %eax
 ; Move param %in2 to stack.
-; CHECK: movl  %r10d, 32(%rsp)
+; CHECK: movl  %r10d, [[A1]](%rsp)
 ; Move result of addition to stack.
-; CHECK: movl  %eax, 40(%rsp)
+; CHECK: movl  %eax, [[A2]](%rsp)
 ; Eventually, do a TAILCALL
 ; CHECK: TAILCALL