| ; RUN: llc < %s -march=arm64 | FileCheck %s |
| |
| define i8* @rt0(i32 %x) nounwind readnone { |
| entry: |
| ; CHECK-LABEL: rt0: |
| ; CHECK: mov x0, x30 |
| ; CHECK: ret |
| %0 = tail call i8* @llvm.returnaddress(i32 0) |
| ret i8* %0 |
| } |
| |
| define i8* @rt2() nounwind readnone { |
| entry: |
| ; CHECK-LABEL: rt2: |
| ; CHECK: stp x29, x30, [sp, #-16]! |
| ; CHECK: mov x29, sp |
| ; CHECK: ldr x[[REG:[0-9]+]], [x29] |
| ; CHECK: ldr x[[REG2:[0-9]+]], [x[[REG]]] |
| ; CHECK: ldr x0, [x[[REG2]], #8] |
| ; CHECK: ldp x29, x30, [sp], #16 |
| ; CHECK: ret |
| %0 = tail call i8* @llvm.returnaddress(i32 2) |
| ret i8* %0 |
| } |
| |
| declare i8* @llvm.returnaddress(i32) nounwind readnone |
