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. 7 define 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
