File: emit-prologue-clobber-verification.mir

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# RUN: not --crash llc -mtriple=aarch64-none-linux-gnu -run-pass=prologepilog %s -o -
#
# REQUIRES: asserts
#
---
# x9 is marked as live on function entry, but it will be used as scratch
# register for prologue computations at the beginning of the prologue.
# Use this to check we catch that the prologue clobbers $x9.
name: x9_clobbered_on_fn_entry
tracksRegLiveness: true
frameInfo:
  isFrameAddressTaken: true
stack:
  - { id: 0, size:    16, alignment: 16 }
  - { id: 1, size: 32768, alignment: 32 }
body: |
  bb.0:
    liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28, $lr
    STRXui $x0, %stack.0, 0
    B %bb.1
  bb.1:
    liveins: $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28, $lr
    RET_ReallyLR implicit $lr
...