27 lines · plain
1; RUN: llc < %s -mtriple=arm-apple-ios | FileCheck %s2; RUN: llc < %s -mtriple=thumbv6-apple-ios | FileCheck %s3; RUN: llc < %s -mtriple=arm-apple-ios -regalloc=basic | FileCheck %s4; RUN: llc < %s -mtriple=thumbv6-apple-ios -regalloc=basic | FileCheck %s5; rdar://80159776; rdar://80201187 8define ptr @rt0(i32 %x) nounwind readnone {9entry:10; CHECK-LABEL: rt0:11; CHECK: mov r0, lr12 %0 = tail call ptr @llvm.returnaddress(i32 0)13 ret ptr %014}15 16define ptr @rt2() nounwind readnone {17entry: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 ptr @llvm.returnaddress(i32 2)23 ret ptr %024}25 26declare ptr @llvm.returnaddress(i32) nounwind readnone27