1 ; RUN: llc < %s -mtriple=arm-apple-ios | FileCheck %s 2 ; RUN: llc < %s -mtriple=thumbv6-apple-ios | FileCheck %s 3 ; RUN: llc < %s -mtriple=arm-apple-ios -regalloc=basic | FileCheck %s 4 ; RUN: llc < %s -mtriple=thumbv6-apple-ios -regalloc=basic | FileCheck %s 5 ; rdar://8015977 6 ; rdar://8020118 7 8 define i8* @rt0(i32 %x) nounwind readnone { 9 entry: 10 ; CHECK-LABEL: rt0: 11 ; CHECK: mov r0, lr 12 %0 = tail call i8* @llvm.returnaddress(i32 0) 13 ret i8* %0 14 } 15 16 define i8* @rt2() nounwind readnone { 17 entry: 18 ; CHECK-LABEL: rt2: 19 ; CHECK: ldr r[[R0:[0-9]+]], [r7] 20 ; CHECK: ldr r0, [r[[R0]]] 21 ; CHECK: ldr r0, [r[[R0]], #4] 22 %0 = tail call i8* @llvm.returnaddress(i32 2) 23 ret i8* %0 24 } 25 26 declare i8* @llvm.returnaddress(i32) nounwind readnone 27
