1; RUN: llc -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s 2 3define i8* @rt0(i32 %x) nounwind readnone { 4entry: 5; CHECK-LABEL: rt0: 6; CHECK: mov x0, x30 7 %0 = tail call i8* @llvm.returnaddress(i32 0) 8 ret i8* %0 9} 10 11define i8* @rt2() nounwind readnone { 12entry: 13; CHECK-LABEL: rt2: 14; CHECK: ldr x[[reg:[0-9]+]], [x29] 15; CHECK: ldr x[[reg]], [x[[reg]]] 16; CHECK: ldr x0, [x[[reg]], #8] 17 %0 = tail call i8* @llvm.returnaddress(i32 2) 18 ret i8* %0 19} 20 21declare i8* @llvm.returnaddress(i32) nounwind readnone 22