llvm/test/MachineVerifier/test_g_extract_subvector.mir

# RUN: not --crash llc -o - -run-pass=none -verify-machineinstrs -mtriple=arm64 %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target
---
name:            g_extract_subvector
tracksRegLiveness: true
liveins:
body:             |
  bb.0:
    %0:_(s32) = G_CONSTANT i32 0
    %1:_(<vscale x 2 x s32>) = G_IMPLICIT_DEF
    %2:_(<vscale x 1 x s32>) = G_IMPLICIT_DEF

    ; CHECK: generic instruction must use register operands
    ; CHECK: G_EXTRACT_SUBVECTOR first source must be a register
    %3:_(<vscale x 2 x s32>) = G_EXTRACT_SUBVECTOR 1, 0

    ; CHECK: G_EXTRACT_SUBVECTOR index must be an immediate
    %4:_(<vscale x 1 x s32>) = G_EXTRACT_SUBVECTOR %2, %0

    ; CHECK: Destination type must be a vector
    %5:_(s32) = G_EXTRACT_SUBVECTOR %2, 0

    ; CHECK: Source must be a vector
    %6:_(<vscale x 2 x s32>) = G_EXTRACT_SUBVECTOR %0, 0

    %7:_(<vscale x 1 x s16>) = G_IMPLICIT_DEF

    ; CHECK: Element type of vectors must be the same
    %8:_(<vscale x 2 x s32>) = G_EXTRACT_SUBVECTOR %7, 0

    ; CHECK: Destination vector must be smaller than source vector
    %9:_(<vscale x 4 x s32>) = G_EXTRACT_SUBVECTOR  %1, 3

    ; CHECK: Destination vector must be smaller than source vector
    %10:_(<vscale x 4 x s32>) = G_EXTRACT_SUBVECTOR  %1, 2

    ; CHECK: Destination type and index must not cause extract to overrun the source vector
    %11:_(<vscale x 1 x s32>) = G_EXTRACT_SUBVECTOR  %1, 4

    %12:_(<vscale x 4 x s32>) = G_IMPLICIT_DEF

    ; CHECK: Destination type and index must not cause extract to overrun the source vector
    %13:_(<vscale x 3 x s32>) = G_EXTRACT_SUBVECTOR  %12, 3

    %14:_(<2 x s32>) = G_IMPLICIT_DEF
    %15:_(<4 x s32>) = G_IMPLICIT_DEF

    ; CHECK: Destination type and index must not cause extract to overrun the source vector
    %16:_(<2 x s32>) = G_EXTRACT_SUBVECTOR  %14, 4

    ; CHECK: Destination type and index must not cause extract to overrun the source vector
    %17:_(<3 x s32>) = G_EXTRACT_SUBVECTOR  %15, 3

    ; CHECK: Vector types must both be fixed or both be scalable
    %18:_(<vscale x 2 x s32>) = G_EXTRACT_SUBVECTOR %15, 0

    ; CHECK: Vector types must both be fixed or both be scalable
    %19:_(<2 x s32>) = G_EXTRACT_SUBVECTOR %12, 0

    ; CHECK: Index must be a multiple of the destination vector's minimum vector length
    %20:_(<vscale x 2 x s32>) = G_EXTRACT_SUBVECTOR %12, 1

...