llvm-project/llvm/test/CodeGen/AMDGPU/bundle-latency.mir

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# 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, implicit $exec
; GCN: $vgpr1 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 4, 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, implicit $exec
$vgpr1 = GLOBAL_LOAD_DWORD undef $vgpr3_vgpr4, 4, 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, implicit $exec
; GCN: GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, killed $vgpr0, 4, 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, implicit $exec
GLOBAL_STORE_DWORD undef $vgpr3_vgpr4, $vgpr0, 4, 0, implicit $exec
}
...