1; RUN: llc < %s  -mtriple=i686-unknown-linux  -tailcallopt | FileCheck %s
2; Linux has 8 byte alignment so the params cause stack size 20 when tailcallopt
3; is enabled, ensure that a normal fastcc call has matching stack size
4
5
6define fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) {
7       ret i32 %a3
8}
9
10define fastcc i32 @tailcaller(i32 %in1, i32 %in2, i32 %in3, i32 %in4) {
11       %tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2,
12                                                 i32 %in1, i32 %in2)
13       ret i32 %tmp11
14}
15
16define i32 @main(i32 %argc, i8** %argv) {
17 %tmp1 = call fastcc i32 @tailcaller( i32 1, i32 2, i32 3, i32 4 )
18 ; expect match subl [stacksize] here
19 ret i32 0
20}
21
22; CHECK: calll tailcaller
23; CHECK-NEXT: subl $12
24