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