# RUN: not --crash llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=none -o /dev/null %s 2>&1 | FileCheck %s
---
name: invalid_reg_sequence
tracksRegLiveness: true
body: |
bb.0:
%0:vgpr_32 = IMPLICIT_DEF
%1:vgpr_32 = IMPLICIT_DEF
; No operands
; CHECK: *** Bad machine code: Too few operands ***
REG_SEQUENCE
; Only dest operand
; CHECK: *** Bad machine code: Too few operands ***
%2:vreg_64 = REG_SEQUENCE
; Missing destination
; CHECK: *** Bad machine code: Explicit definition marked as use ***
REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1
; Missing subreg operand
; CHECK: *** Bad machine code: Invalid number of operands for REG_SEQUENCE ***
%3:vreg_64 = REG_SEQUENCE %0, %subreg.sub0, %1
; Missing register operand
; CHECK: *** Bad machine code: Invalid number of operands for REG_SEQUENCE ***
%4:vreg_64 = REG_SEQUENCE %0, %subreg.sub0, %subreg.sub1
; Physreg destination
; CHECK: *** Bad machine code: REG_SEQUENCE does not support physical register results ***
$vgpr0_vgpr1 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1
; Subreg in destination
; CHECK: *** Bad machine code: Invalid subreg result for REG_SEQUENCE ***
%5.sub0_sub1:vreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1
; All operands are registers
; CHECK: *** Bad machine code: Invalid subregister index operand for REG_SEQUENCE ***
%6:vreg_64 = REG_SEQUENCE %0, %1
; Register and subreg index operand order swapped
; CHECK: *** Bad machine code: Invalid register operand for REG_SEQUENCE ***
; CHECK: *** Bad machine code: Invalid subregister index operand for REG_SEQUENCE ***
%7:vreg_64 = REG_SEQUENCE %subreg.sub0, %0, %subreg.sub1, %1
; Invalid subreg index constants
; CHECK: *** Bad machine code: Invalid subregister index operand for REG_SEQUENCE ***
; CHECK: - instruction: %8:vreg_64 = REG_SEQUENCE %0:vgpr_32, %subreg.0, %1:vgpr_32, %subreg.99999
; CHECK-NEXT: operand 2: 0
; CHECK: *** Bad machine code: Invalid subregister index operand for REG_SEQUENCE ***
; CHECK: instruction: %8:vreg_64 = REG_SEQUENCE %0:vgpr_32, %subreg.0, %1:vgpr_32, %subreg.99999
; CHECK-NEXT: operand 4: 99999
%8:vreg_64 = REG_SEQUENCE %0, 0, %1, 99999
...
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