llvm/test/MachineVerifier/test_g_extract.mir

# RUN: not --crash llc -mtriple=aarch64 -run-pass=none -filetype=null %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target

---
name: test_extract
body: |
  bb.0:

    ; CHECK: Bad machine code: Too few operands
    %0:_(s32) = G_EXTRACT

    ; CHECK: Bad machine code: Too few operands
    %1:_(s32) = G_EXTRACT 0

    ; CHECK: Bad machine code: extract source must be a register
    %2:_(s32) = G_EXTRACT 0, 1

    ; CHECK: Bad machine code: extract offset must be a constant
    %3:_(s32) = G_IMPLICIT_DEF
    %4:_(s32) = G_CONSTANT i32 0
    %5:_(s16) = G_EXTRACT %3, %4

    ; CHECK: Bad machine code: extract source must be larger than result
    %6:_(s32) = G_IMPLICIT_DEF
    %7:_(s32) = G_EXTRACT %6, 0

    ; CHECK: Bad machine code: extract reads past end of register
    %8:_(s1) = G_EXTRACT %6, 32
...