1 ; RUN: llc < %s -tailcallopt -march=x86-64 -post-RA-scheduler=true | FileCheck %s
3 ; Check that lowered arguments on the stack do not overwrite each other.
4 ; Add %in1 %p1 to a different temporary register (%eax).
5 ; CHECK: movl %edi, %eax
6 ; Move param %in1 to temp register (%r10d).
7 ; CHECK: movl 40(%rsp), %r10d
8 ; Move param %in2 to stack.
9 ; CHECK: movl %r10d, 32(%rsp)
10 ; Move result of addition to stack.
11 ; CHECK: movl %eax, 40(%rsp)
12 ; Eventually, do a TAILCALL
15 declare fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %a, i32 %b) nounwind
17 define fastcc i32 @tailcaller(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %in1, i32 %in2) nounwind {
19 %tmp = add i32 %in1, %p1
20 %retval = tail call fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6, i32 %in2,i32 %tmp)