llvm/test/CodeGen/AMDGPU/postra-bundle-memops.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass=si-post-ra-bundler %s -o - | FileCheck -check-prefix=GCN %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -passes=si-post-ra-bundler %s -o - | FileCheck -check-prefix=GCN %s

---
name:            bundle_memops
tracksRegLiveness: true
body:             |
  bb.0:
    ; GCN-LABEL: name: bundle_memops
    ; GCN: $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT: S_NOP 0
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr1, implicit undef $vgpr3_vgpr4, implicit $exec {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   $vgpr1 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 4, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: S_NOP 0
    ; GCN-NEXT: $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT: BUNDLE implicit-def $vgpr1, implicit-def $vgpr2, implicit-def $vgpr5, implicit undef $vgpr0_vgpr1, implicit $exec, implicit undef $vgpr3_vgpr4 {
    ; GCN-NEXT:   $vgpr1 = GLOBAL_LOAD_DWORD undef $vgpr0_vgpr1, 4, 0, implicit $exec
    ; GCN-NEXT:   $vgpr2 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 4, 0, implicit $exec
    ; GCN-NEXT:   $vgpr5 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: BUNDLE implicit undef $vgpr3_vgpr4, implicit $vgpr1, implicit $exec, implicit $vgpr0 {
    ; GCN-NEXT:   GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr1, 0, 0, implicit $exec
    ; GCN-NEXT:   GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr0, 4, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: S_NOP 0
    ; GCN-NEXT: BUNDLE implicit undef $vgpr3_vgpr4, implicit $vgpr1, implicit $exec, implicit $vgpr0 {
    ; GCN-NEXT:   GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr1, 0, 0, implicit $exec
    ; GCN-NEXT:   GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr0, 4, 0, implicit $exec
    ; GCN-NEXT:   GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr1, 0, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: S_NOP 0
    ; GCN-NEXT: $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT: S_NOP 0
    ; GCN-NEXT: GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr0, 4, 0, implicit $exec
    ; GCN-NEXT: BUNDLE implicit-def $vgpr2, implicit-def $vgpr3, implicit $vgpr0, implicit $exec, implicit $vgpr1 {
    ; GCN-NEXT:   $vgpr2 = DS_READ_B32_gfx9 $vgpr0, 0, 0, implicit $exec
    ; GCN-NEXT:   $vgpr3 = DS_READ_B32_gfx9 $vgpr1, 0, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: BUNDLE implicit $vgpr0, implicit $vgpr2, implicit killed $m0, implicit $exec, implicit $vgpr3 {
    ; GCN-NEXT:   DS_WRITE_B32_gfx9 $vgpr0, $vgpr2, 0, 0, implicit killed $m0, implicit $exec
    ; GCN-NEXT:   DS_WRITE_B32_gfx9 $vgpr0, $vgpr3, 4, 0, implicit killed $m0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: S_NOP 0
    ; GCN-NEXT: BUNDLE implicit-def $sgpr2, implicit-def $sgpr3, implicit undef $sgpr0_sgpr1, implicit undef $sgpr10 {
    ; GCN-NEXT:   $sgpr2 = S_LOAD_DWORD_IMM undef $sgpr0_sgpr1, 0, 0
    ; GCN-NEXT:   $sgpr3 = S_LOAD_DWORD_SGPR undef $sgpr0_sgpr1, undef $sgpr10, 0
    ; GCN-NEXT: }
    ; GCN-NEXT: BUNDLE implicit-def $vgpr2, implicit-def $vgpr3, implicit $vgpr0, implicit undef $sgpr0_sgpr1_sgpr2_sgpr3, implicit $sgpr2, implicit $exec, implicit $vgpr1 {
    ; GCN-NEXT:   $vgpr2 = BUFFER_LOAD_DWORD_OFFEN $vgpr0, undef $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr2, 0, 0, 0, implicit $exec
    ; GCN-NEXT:   $vgpr3 = BUFFER_LOAD_DWORD_OFFEN $vgpr1, undef $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr2, 0, 0, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: BUNDLE implicit $vgpr0, implicit $vgpr2_vgpr3, implicit undef $sgpr0_sgpr1_sgpr2_sgpr3, implicit $exec {
    ; GCN-NEXT:   BUFFER_STORE_DWORD_ADDR64 $vgpr0, $vgpr2_vgpr3, undef $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, implicit $exec
    ; GCN-NEXT:   BUFFER_STORE_DWORD_ADDR64 $vgpr0, $vgpr2_vgpr3, undef $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: BUNDLE implicit-def $vgpr2, implicit-def $vgpr3, implicit undef $vgpr4_vgpr5_vgpr6_vgpr7, implicit undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, implicit $exec {
    ; GCN-NEXT:   $vgpr2 = IMAGE_LOAD_V1_V4 undef $vgpr4_vgpr5_vgpr6_vgpr7, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 2, -1, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s32))
    ; GCN-NEXT:   $vgpr3 = IMAGE_LOAD_V1_V4 undef $vgpr4_vgpr5_vgpr6_vgpr7, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 2, -1, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s32))
    ; GCN-NEXT: }
    ; GCN-NEXT: BUNDLE implicit undef $vgpr0_vgpr1_vgpr2_vgpr3, implicit $vgpr0_vgpr1, implicit undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, implicit $exec {
    ; GCN-NEXT:   IMAGE_STORE_V4_V2 undef $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr0_vgpr1, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 15, -1, 1, 0, 0, 0, 0, 0, implicit $exec :: (store (s128))
    ; GCN-NEXT:   IMAGE_STORE_V4_V2 undef $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr0_vgpr1, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 15, -1, 1, 0, 0, 0, 0, 0, implicit $exec :: (store (s128))
    ; GCN-NEXT: }
    ; GCN-NEXT: S_NOP 0
    ; GCN-NEXT: $sgpr64_sgpr65_sgpr66_sgpr67_sgpr68_sgpr69_sgpr70_sgpr71 = S_LOAD_DWORDX8_IMM undef $sgpr10_sgpr11, 464, 0
    ; GCN-NEXT: $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75 = S_LOAD_DWORDX8_IMM undef $sgpr10_sgpr11, 128, 0
    ; GCN-NEXT: S_NOP 0
    ; GCN-NEXT: BUNDLE implicit-def $vgpr2, implicit-def $vgpr3, implicit $vgpr0, implicit $exec, implicit $vgpr1 {
    ; GCN-NEXT:   $vgpr2 = DS_READ_B32_gfx9 $vgpr0, 0, 0, implicit $exec
    ; GCN-NEXT:   $vgpr3 = DS_READ_B32_gfx9 $vgpr1, 0, 0, implicit $exec
    ; GCN-NEXT: }
    $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    S_NOP 0
    $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    $vgpr1 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 4, 0, implicit $exec
    S_NOP 0
    $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    $vgpr1 = GLOBAL_LOAD_DWORD undef $vgpr0_vgpr1, 4, 0, implicit $exec
    $vgpr2 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 4, 0, implicit $exec
    $vgpr5 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr1, 0, 0, implicit $exec
    GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr0, 4, 0, implicit $exec
    S_NOP 0
    GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr1, 0, 0, implicit $exec
    GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr0, 4, 0, implicit $exec
    GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr1, 0, 0, implicit $exec
    S_NOP 0
    $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, implicit $exec
    S_NOP 0
    GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr0, 4, 0, implicit $exec
    $vgpr2 = DS_READ_B32_gfx9 $vgpr0, 0, 0, implicit $exec
    $vgpr3 = DS_READ_B32_gfx9 $vgpr1, 0, 0, implicit $exec
    DS_WRITE_B32_gfx9 $vgpr0, $vgpr2, 0, 0, implicit killed $m0, implicit $exec
    DS_WRITE_B32_gfx9 $vgpr0, $vgpr3, 4, 0, implicit killed $m0, implicit $exec
    S_NOP 0
    $sgpr2 = S_LOAD_DWORD_IMM undef $sgpr0_sgpr1, 0, 0
    $sgpr3 = S_LOAD_DWORD_SGPR undef $sgpr0_sgpr1, undef $sgpr10, 0
    $vgpr2 = BUFFER_LOAD_DWORD_OFFEN $vgpr0, undef $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr2, 0, 0, 0, implicit $exec
    $vgpr3 = BUFFER_LOAD_DWORD_OFFEN $vgpr1, undef $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr2, 0, 0, 0, implicit $exec
    BUFFER_STORE_DWORD_ADDR64 $vgpr0, $vgpr2_vgpr3,  undef $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, implicit $exec
    BUFFER_STORE_DWORD_ADDR64 $vgpr0, $vgpr2_vgpr3,  undef $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, implicit $exec
    $vgpr2 = IMAGE_LOAD_V1_V4 undef $vgpr4_vgpr5_vgpr6_vgpr7, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 2, -1, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s32))
    $vgpr3 = IMAGE_LOAD_V1_V4 undef $vgpr4_vgpr5_vgpr6_vgpr7, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 2, -1, 0, 0, 0, 0, 0, 0, implicit $exec :: (load (s32))
    IMAGE_STORE_V4_V2 undef $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr0_vgpr1, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 15, -1, 1, 0, 0, 0, 0, 0, implicit $exec :: (store (s128))
    IMAGE_STORE_V4_V2 undef $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr0_vgpr1, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 15, -1, 1, 0, 0, 0, 0, 0, implicit $exec :: (store (s128))
    S_NOP 0
    $sgpr64_sgpr65_sgpr66_sgpr67_sgpr68_sgpr69_sgpr70_sgpr71 = S_LOAD_DWORDX8_IMM undef $sgpr10_sgpr11, 464, 0
    $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75 = S_LOAD_DWORDX8_IMM undef $sgpr10_sgpr11, 128, 0
    S_NOP 0
    $vgpr2 = DS_READ_B32_gfx9 $vgpr0, 0, 0, implicit $exec
    $vgpr3 = DS_READ_B32_gfx9 $vgpr1, 0, 0, implicit $exec
...

# Middle dbg_value should be bundled
---
name: bundle_dbg_value_0
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-LABEL: name: bundle_dbg_value_0
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr1, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   DBG_VALUE $vgpr0, 0, 0
    ; GCN-NEXT:   $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    DBG_VALUE $vgpr0, 0, 0
    $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec

...

# Middle dbg_value should be bundled
---
name: bundle_dbg_value_1
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6, $vgpr1
    ; GCN-LABEL: name: bundle_dbg_value_1
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6, $vgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr2, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   DBG_VALUE $vgpr0, 0, 0
    ; GCN-NEXT:   DBG_VALUE $vgpr1, 0, 0
    ; GCN-NEXT:   $vgpr2 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: DBG_VALUE $vgpr2, 0, 0
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    DBG_VALUE $vgpr0, 0, 0
    DBG_VALUE $vgpr1, 0, 0
    $vgpr2 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    DBG_VALUE $vgpr2, 0, 0
...

# Starting and ending dbg_values should not be in the bundle
---
name: bundle_dbg_value_2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6, $vgpr1
    ; GCN-LABEL: name: bundle_dbg_value_2
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6, $vgpr1
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: DBG_VALUE $vgpr1, 0, 0
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr2, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   DBG_VALUE $vgpr0, 0, 0
    ; GCN-NEXT:   $vgpr2 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: DBG_VALUE $vgpr2, 0, 0
    DBG_VALUE $vgpr1, 0, 0
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    DBG_VALUE $vgpr0, 0, 0
    $vgpr2 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    DBG_VALUE $vgpr2, 0, 0
...

---
name: bundle_kill
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-LABEL: name: bundle_kill
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: $vgpr1 = V_MOV_B32_e32 0, implicit $exec
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr2, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr1, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   KILL $vgpr1
    ; GCN-NEXT:   $vgpr2 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    $vgpr1 = V_MOV_B32_e32 0, implicit $exec
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    KILL $vgpr1
    $vgpr2 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec

...

---
name: bundle_kill_def_in_bundle
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-LABEL: name: bundle_kill_def_in_bundle
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: $vgpr1 = V_MOV_B32_e32 0, implicit $exec
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr2, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   KILL internal $vgpr0
    ; GCN-NEXT:   $vgpr2 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    $vgpr1 = V_MOV_B32_e32 0, implicit $exec
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    KILL $vgpr0
    $vgpr2 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec

...

# Before register allocation, KILL hints are inserted after potential soft
# clauses to hint the register allocator to not clobber the input
# registers. Kills that look like this should be erased.
---
name: post_bundle_kill
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6

    ; GCN-LABEL: name: post_bundle_kill
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr1, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    KILL killed $vgpr3_vgpr4, killed $vgpr5_vgpr6
...

# Kill some other register not used in the bundle, should not be touched.
---
name: post_bundle_kill_other
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-LABEL: name: post_bundle_kill_other
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: $vgpr7 = V_MOV_B32_e32 0, implicit $exec
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr1, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: KILL killed $vgpr7
    $vgpr7 = V_MOV_B32_e32 0, implicit $exec
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    KILL killed $vgpr7
...

# Kill some other register not used in the bundle, but also some
# from the bundle.
---
name: post_bundle_kill_plus_other
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-LABEL: name: post_bundle_kill_plus_other
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: $vgpr7 = V_MOV_B32_e32 0, implicit $exec
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr1, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: KILL killed $vgpr7, killed $vgpr3
    $vgpr7 = V_MOV_B32_e32 0, implicit $exec
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    KILL killed $vgpr7, killed $vgpr3
...

---
name: post_bundle_multi_kill_0
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6

    ; GCN-LABEL: name: post_bundle_multi_kill_0
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr1, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    KILL killed $vgpr3_vgpr4
    KILL killed $vgpr5_vgpr6
...


---
name: post_bundle_multi_kill_1
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6

    ; GCN-LABEL: name: post_bundle_multi_kill_1
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr1, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    KILL killed $vgpr3
    KILL $vgpr4
    KILL killed $vgpr5
    KILL killed $vgpr6
...

---
name: post_bundle_kill_and_null_reg_dbginfo
body:             |
  bb.0:
    liveins: $vgpr3_vgpr4, $vgpr5_vgpr6

    ; GCN-LABEL: name: post_bundle_kill_and_null_reg_dbginfo
    ; GCN: liveins: $vgpr3_vgpr4, $vgpr5_vgpr6
    ; GCN-NEXT: {{  $}}
    ; GCN-NEXT: BUNDLE implicit-def $vgpr0, implicit-def $vgpr1, implicit $vgpr3_vgpr4, implicit $exec, implicit $vgpr5_vgpr6 {
    ; GCN-NEXT:   $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    ; GCN-NEXT:   DBG_VALUE $noreg, $noreg
    ; GCN-NEXT:   $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    ; GCN-NEXT: }
    $vgpr0 = GLOBAL_LOAD_DWORD $vgpr3_vgpr4, 0, 0, implicit $exec
    DBG_VALUE $noreg, $noreg
    $vgpr1 = GLOBAL_LOAD_DWORD $vgpr5_vgpr6, 0, 0, implicit $exec
    KILL killed $vgpr3_vgpr4, killed $vgpr5_vgpr6
...

# Avoid bundling if a MBB has SCHED_BARRIER
---
name: no_sched_barrier_within_bundle
tracksRegLiveness: true
body: |
  bb.0:
    ; GCN-LABLE: name: no_sched_barrier_within_bundle
    ; GCN: renamable $sgpr0_sgpr1 = IMPLICIT_DEF
    ; GCN-NEXT: renamable $vgpr0 = IMPLICIT_DEF
    ; GCN-NEXT: BUNDLE implicit-def $vgpr1, implicit-def $vgpr1_lo16, implicit-def $vgpr1_hi16, implicit-def $vgpr2, implicit-def $vgpr2_lo16, implicit-def $vgpr2_hi16, implicit $sgpr0_sgpr1, implicit $vgpr0, implicit $exec {
    ; GCN-NEXT:   renamable $vgpr1 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr0_sgpr1, renamable $vgpr0, 0, 0, implicit $exec, implicit-def $vgpr1, implicit-def $vgpr1_lo16, implicit-def $vgpr1_hi16, implicit-def $vgpr2
    ; GCN-NEXT:   renamable $vgpr2 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr0_sgpr1, renamable $vgpr0, 512, 0, implicit $exec, implicit-def $vgpr2_lo16, implicit-def $vgpr2_hi16, implicit $sgpr0_sgpr1, implicit $vgpr0
    ; GCN-NEXT: }
    ; GCN-NEXT: renamable $sgpr2_sgpr3 = IMPLICIT_DEF
    ; GCN-NEXT: renamable $vgpr10 = IMPLICIT_DEF
    ; GCN-NEXT: renamable $vgpr1 = nsw V_MUL_LO_U32_e64 killed $vgpr1, $vgpr1, implicit $exec
    ; GCN-NEXT: renamable $vgpr2 = nsw V_MUL_LO_U32_e64 killed $vgpr2, $vgpr2, implicit $exec
    ; GCN-NEXT: SCHED_BARRIER 1924
    ; GCN-NEXT: renamable $vgpr11 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr10, 0, 0, implicit $exec, implicit-def $vgpr11, implicit-def $vgpr11_lo16, implicit-def $vgpr11_hi16, implicit $sgpr2_sgpr3, implicit $vgpr10
    ; GCN-NEXT: SCHED_BARRIER 1924
    ; GCN-NEXT: renamable $vgpr12 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr10, 512, 0, implicit $exec, implicit-def $vgpr12, implicit-def $vgpr12_lo16, implicit-def $vgpr12_hi16, implicit $sgpr2_sgpr3, implicit $vgpr10
    ; GCN-NEXT: renamable $sgpr4_sgpr5 = IMPLICIT_DEF
    ; GCN-NEXT: renamable $vgpr0 = IMPLICIT_DEF
    ; GCN-NEXT: renamable $vgpr11 = nsw V_MUL_LO_U32_e64 killed $vgpr11, $vgpr11, implicit $exec
    ; GCN-NEXT: renamable $vgpr12 = nsw V_MUL_LO_U32_e64 killed $vgpr12, $vgpr12, implicit $exec
    ; GCN-NEXT: BUNDLE implicit killed $vgpr10, implicit killed $vgpr11, implicit killed $sgpr2_sgpr3, implicit $exec, implicit killed $vgpr12, implicit killed $vgpr0, implicit killed $vgpr1, implicit killed $sgpr4_sgpr5, implicit killed $vgpr2 {
    ; GCN-NEXT:   GLOBAL_STORE_DWORD_SADDR renamable $vgpr10, killed renamable $vgpr11, renamable $sgpr2_sgpr3, 0, 0, implicit $exec, implicit killed $vgpr11
    ; GCN-NEXT:   GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr10, killed renamable $vgpr12, killed renamable $sgpr2_sgpr3, 512, 0, implicit $exec
    ; GCN-NEXT:   GLOBAL_STORE_DWORD_SADDR renamable $vgpr0, killed renamable $vgpr1, renamable $sgpr4_sgpr5, 0, 0, implicit $exec
    ; GCN-NEXT:   GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr0, killed renamable $vgpr2, killed renamable $sgpr4_sgpr5, 512, 0, implicit $exec
    ; GCN-NEXT: }
    ; GCN-NEXT: S_ENDPGM 0
    renamable $sgpr0_sgpr1 = IMPLICIT_DEF
    renamable $vgpr0 = IMPLICIT_DEF
    renamable $vgpr1 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr0_sgpr1, renamable $vgpr0, 0, 0, implicit $exec, implicit-def $vgpr1, implicit-def $vgpr1_lo16, implicit-def $vgpr1_hi16, implicit-def $vgpr2
    renamable $vgpr2 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr0_sgpr1, renamable $vgpr0, 512, 0, implicit $exec, implicit-def $vgpr2_lo16, implicit-def $vgpr2_hi16, implicit $sgpr0_sgpr1, implicit $vgpr0
    renamable $sgpr2_sgpr3 = IMPLICIT_DEF
    renamable $vgpr10 = IMPLICIT_DEF
    renamable $vgpr1 = nsw V_MUL_LO_U32_e64 killed $vgpr1, $vgpr1, implicit $exec
    renamable $vgpr2 = nsw V_MUL_LO_U32_e64 killed $vgpr2, $vgpr2, implicit $exec
    SCHED_BARRIER 1924
    renamable $vgpr11 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr10, 0, 0, implicit $exec, implicit-def $vgpr11, implicit-def $vgpr11_lo16, implicit-def $vgpr11_hi16, implicit $sgpr2_sgpr3, implicit $vgpr10
    SCHED_BARRIER 1924
    renamable $vgpr12 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr10, 512, 0, implicit $exec, implicit-def $vgpr12, implicit-def $vgpr12_lo16, implicit-def $vgpr12_hi16, implicit $sgpr2_sgpr3, implicit $vgpr10
    renamable $sgpr4_sgpr5 = IMPLICIT_DEF
    renamable $vgpr0 = IMPLICIT_DEF
    renamable $vgpr11 = nsw V_MUL_LO_U32_e64 killed $vgpr11, $vgpr11, implicit $exec
    renamable $vgpr12 = nsw V_MUL_LO_U32_e64 killed $vgpr12, $vgpr12, implicit $exec
    GLOBAL_STORE_DWORD_SADDR renamable $vgpr10, killed renamable $vgpr11, renamable $sgpr2_sgpr3, 0, 0, implicit $exec, implicit killed $vgpr11
    GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr10, killed renamable $vgpr12, killed renamable $sgpr2_sgpr3, 512, 0, implicit $exec
    GLOBAL_STORE_DWORD_SADDR renamable $vgpr0, killed renamable $vgpr1, renamable $sgpr4_sgpr5, 0, 0, implicit $exec
    GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr0, killed renamable $vgpr2, killed renamable $sgpr4_sgpr5, 512, 0, implicit $exec
    S_ENDPGM 0
...