File: arm64-named-reg-alloc.ll

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llvm-toolchain-21 1%3A21.1.6-3
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; RUN: not llc < %s -mtriple=arm64-apple-darwin -filetype=null 2>&1 | FileCheck %s
; RUN: not llc < %s -mtriple=arm64-linux-gnueabi -filetype=null 2>&1 | FileCheck %s

define i32 @get_stack() nounwind {
entry:
; FIXME: Include an allocatable-specific error message
; CHECK: error: <unknown>:0:0: invalid register "x5" for llvm.read_register
  %sp = call i32 @llvm.read_register.i32(metadata !0)
  ret i32 %sp
}

declare i32 @llvm.read_register.i32(metadata) nounwind

!0 = !{!"x5\00"}