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