1; RUN: llc < %s -mtriple=armv7-apple-ios   | FileCheck %s
2; RUN: llc < %s -mtriple=thumbv7-apple-ios | FileCheck %s
3; rdar://8690640
4
5define i32* @t(i32* %x) nounwind {
6entry:
7; CHECK-LABEL: t:
8; CHECK: push
9; CHECK: mov r7, sp
10; CHECK: bl _foo
11; CHECK: bl _foo
12; CHECK: bl _foo
13; CHECK: pop {r7, pc}
14
15  %0 = tail call i32* @foo(i32* %x) nounwind
16  %1 = tail call i32* @foo(i32* %0) nounwind
17  %2 = tail call i32* @foo(i32* %1) nounwind
18  ret i32* %2
19}
20
21declare i32* @foo(i32*)
22