llvm/test/MachineVerifier/test_g_insert_subvector.mir

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

---
name: g_splat_vector
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_INSERT_SUBVECTOR first source must be a register
    %3:_(<vscale x 2 x s32>) = G_INSERT_SUBVECTOR 1, %2, 0

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

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

    ; CHECK: Destination type must be a vector
    %6:_(s32) = G_INSERT_SUBVECTOR %1, %2, 0

    ; CHECK: Type mismatch in generic instruction
    %7:_(<vscale x 2 x s32>) = G_INSERT_SUBVECTOR %0, %2, 0

    ; CHECK: Second source must be a vector
    %8:_(<vscale x 2 x s32>) = G_INSERT_SUBVECTOR %1, %0, 0

    ; CHECK: Type mismatch in generic instruction
    %9:_(<vscale x 2 x s32>) = G_INSERT_SUBVECTOR %2, %1, 0

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

    ; CHECK: Element type of vectors must be the same
    %11:_(<vscale x 2 x s32>) = G_INSERT_SUBVECTOR %1, %10, 0

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

    ; CHECK: Index must be a multiple of the second source vector's minimum vector length
    %13:_(<vscale x 4 x s32>) = G_INSERT_SUBVECTOR %12, %1, 3

    ; CHECK: Index must be a multiple of the second source vector's minimum vector length
    %14:_(<vscale x 4 x s32>) = G_INSERT_SUBVECTOR %12, %1, 1

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

    ; CHECK: Second source must be smaller than destination vector
    %16:_(<vscale x 2 x s32>) = G_INSERT_SUBVECTOR %1, %15, 0

    ; CHECK: Subvector type and index must not cause insert to overrun the vector being inserted into
    %17:_(<vscale x 4 x s32>) = G_INSERT_SUBVECTOR %12, %1, 4

    %18:_(<vscale x 3 x s32>) = G_IMPLICIT_DEF

    ; CHECK: Subvector type and index must not cause insert to overrun the vector being inserted into
    %19:_(<vscale x 3 x s32>) = G_INSERT_SUBVECTOR %18, %1, 2

    %20:_(<2 x s32>) = G_IMPLICIT_DEF

    ; CHECK: Cannot insert a scalable vector into a fixed length vector
    %23:_(<4 x s32>) = G_INSERT_SUBVECTOR %20, %2, 0

    ; CHECK: Subvector type and index must not cause insert to overrun the vector being inserted into
    %21:_(<vscale x 4 x s32>) = G_INSERT_SUBVECTOR %12, %2, 4
...