1 ; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 | grep TAILCALL
2 ; Check that lowered arguments on the stack do not overwrite each other.
3 ; Move param %in1 to temp register (%eax).
4 ; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl 40(%rsp), %eax}
5 ; Add %in1 %p1 to another temporary register (%r9d).
6 ; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl %edi, %r9d}
7 ; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {addl 32(%rsp), %r9d}
8 ; Move result of addition to stack.
9 ; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl %r9d, 40(%rsp)}
10 ; Move param %in2 to stack.
11 ; RUN: llvm-as < %s | llc -tailcallopt -march=x86-64 -x86-asm-syntax=att | grep {movl %eax, 32(%rsp)}
13 declare fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %a, i32 %b)
15 define fastcc i32 @tailcaller(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %in1, i32 %in2) {
17 %tmp = add i32 %in1, %p1
18 %retval = tail call fastcc i32 @tailcallee(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %in2,i32 %tmp)