1; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-m3 | FileCheck %s
2
3@foo = common global void ()* null, align 4
4
5; Make sure in the presence of a tail call, r9 doesn't get used to hold
6; the destination address. It's callee-saved in AAPCS.
7define arm_aapcscc void @test(i32 %a) nounwind {
8; CHECK-LABEL: test:
9; CHECK-NOT: bx r9
10  %tmp = load void ()*, void ()** @foo, align 4
11  tail call void asm sideeffect "", "~{r0},~{r1},~{r2},~{r3},~{r12}"() nounwind
12  tail call arm_aapcscc void %tmp() nounwind
13  ret void
14}
15