; RUN: llc -mtriple=arm64-apple-darwin %s -o - | FileCheck %s ; CHECK: mrs x0, CPM_IOACC_CTL_EL3 define void @foo1() #0 { entry: tail call void asm sideeffect "mrs x0, cpm_ioacc_ctl_el3", ""() ret void } attributes #0 = { "target-cpu"="cyclone" }