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1; RUN: not llc < %s -mtriple=arm64-apple-darwin -filetype=null 2>&1 | FileCheck %s2; RUN: not llc < %s -mtriple=arm64-linux-gnueabi -filetype=null 2>&1 | FileCheck %s3 4define i32 @get_stack() nounwind {5entry:6; FIXME: Include an allocatable-specific error message7; CHECK: error: <unknown>:0:0: invalid register "x5" for llvm.read_register8 %sp = call i32 @llvm.read_register.i32(metadata !0)9 ret i32 %sp10}11 12declare i32 @llvm.read_register.i32(metadata) nounwind13 14!0 = !{!"x5\00"}15