1; RUN: llc < %s -mtriple=armv7-apple-ios   | FileCheck %s --check-prefix=ARM
2; RUN: llc < %s -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB2
3; rdar://8690640
4
5define i32* @t(i32* %x) nounwind {
6entry:
7; ARM-LABEL: t:
8; ARM: push
9; ARM: mov r7, sp
10; ARM: bl _foo
11; ARM: bl _foo
12; ARM: bl _foo
13; ARM: pop {r7, pc}
14
15; THUMB2-LABEL: t:
16; THUMB2: push
17; THUMB2: mov r7, sp
18; THUMB2: blx _foo
19; THUMB2: blx _foo
20; THUMB2: blx _foo
21; THUMB2: pop
22  %0 = tail call i32* @foo(i32* %x) nounwind
23  %1 = tail call i32* @foo(i32* %0) nounwind
24  %2 = tail call i32* @foo(i32* %1) nounwind
25  ret i32* %2
26}
27
28declare i32* @foo(i32*)
29