| ; RUN: llc < %s -mtriple=arm-apple-ios | FileCheck %s |
| ; RUN: llc < %s -mtriple=thumbv6-apple-ios | FileCheck %s |
| ; RUN: llc < %s -mtriple=arm-apple-ios -regalloc=basic | FileCheck %s |
| ; RUN: llc < %s -mtriple=thumbv6-apple-ios -regalloc=basic | FileCheck %s |
| ; rdar://8015977 |
| ; rdar://8020118 |
| |
| define ptr @rt0(i32 %x) nounwind readnone { |
| entry: |
| ; CHECK-LABEL: rt0: |
| ; CHECK: mov r0, lr |
| %0 = tail call ptr @llvm.returnaddress(i32 0) |
| ret ptr %0 |
| } |
| |
| define ptr @rt2() nounwind readnone { |
| entry: |
| ; CHECK-LABEL: rt2: |
| ; CHECK: ldr r[[R0:[0-9]+]], [r7] |
| ; CHECK: ldr r0, [r[[R0]]] |
| ; CHECK: ldr r0, [r[[R0]], #4] |
| %0 = tail call ptr @llvm.returnaddress(i32 2) |
| ret ptr %0 |
| } |
| |
| declare ptr @llvm.returnaddress(i32) nounwind readnone |