test/CodeGen/AMDGPU/bundle-latency.mir

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

# Check that we move consumer further from producer, even if one of them is in a bundle.

---
name:            src_bundle_latency
tracksRegLiveness: true
body:             |
  bb.0:
    ; GCN-LABEL: name: src_bundle_latency
    ; GCN: $vgpr0, $vgpr1 = BUNDLE undef $vgpr3_vgpr4, implicit $exec {
    ; GCN:   $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, 0, 0, 0, implicit $exec
    ; GCN:   $vgpr1 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 4, 0, 0, 0, 0, implicit $exec
    ; GCN: }
    ; GCN: $vgpr6 = V_ADD_F32_e32 killed $vgpr0, $vgpr0, implicit $mode, implicit $exec
    ; GCN: $vgpr5 = V_ADD_F32_e32 killed $vgpr1, $vgpr1, implicit $mode, implicit $exec
    $vgpr0, $vgpr1 = BUNDLE undef $vgpr3_vgpr4, implicit $exec {
      $vgpr0 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 0, 0, 0, 0, 0, implicit $exec
      $vgpr1 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 4, 0, 0, 0, 0, implicit $exec
    }
    $vgpr5 = V_ADD_F32_e32 $vgpr1, $vgpr1, implicit $mode, implicit $exec
    $vgpr6 = V_ADD_F32_e32 $vgpr0, $vgpr0, implicit $mode, implicit $exec
...

---
name:            dst_bundle_latency
tracksRegLiveness: true
body:             |
  bb.0:
    ; GCN-LABEL: name: dst_bundle_latency
    ; GCN: $vgpr1 = V_ADD_F32_e32 undef $vgpr6, undef $vgpr6, implicit $mode, implicit $exec
    ; GCN: $vgpr0 = V_ADD_F32_e32 undef $vgpr5, undef $vgpr5, implicit $mode, implicit $exec
    ; GCN: BUNDLE killed $vgpr0, killed $vgpr1, undef $vgpr3_vgpr4, implicit $exec {
    ; GCN:   GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, killed $vgpr1, 0, 0, 0, 0, 0, implicit $exec
    ; GCN:   GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, killed $vgpr0, 4, 0, 0, 0, 0, implicit $exec
    ; GCN: }
    $vgpr0 = V_ADD_F32_e32 undef $vgpr5, undef $vgpr5, implicit $mode, implicit $exec
    $vgpr1 = V_ADD_F32_e32 undef $vgpr6, undef $vgpr6, implicit $mode, implicit $exec
    BUNDLE $vgpr0, $vgpr1, undef $vgpr3_vgpr4, implicit $exec {
      GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr1, 0, 0, 0, 0, 0, implicit $exec
      GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr0, 4, 0, 0, 0, 0, implicit $exec
    }
...