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llvm-project/llvm/test/CodeGen/AMDGPU/inserted-wait-states.mir

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# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass post-RA-hazard-rec %s -o - | FileCheck %s -check-prefixes=GCN
# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass post-RA-hazard-rec %s -o - | FileCheck %s -check-prefixes=GCN,CIVI
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass post-RA-hazard-rec %s -o - | FileCheck %s -check-prefixes=GCN,CIVI,VI
--- |
define void @div_fmas() { ret void }
define void @s_getreg() { ret void }
define void @s_setreg() { ret void }
define void @vmem_gt_8dw_store() { ret void }
define void @readwrite_lane() { ret void }
define void @rfe() { ret void }
...
---
# GCN-LABEL: name: div_fmas
# GCN-LABEL: bb.0:
# GCN: S_MOV_B64
# GCN-NOT: S_NOP
# GCN: V_DIV_FMAS
# GCN-LABEL: bb.1:
# GCN: V_CMP_EQ_I32
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: V_DIV_FMAS_F32
# GCN-LABEL: bb.2:
# GCN: V_CMP_EQ_I32
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: V_DIV_FMAS_F32
# GCN-LABEL: bb.3:
# GCN: V_DIV_SCALE_F32
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: V_DIV_FMAS_F32
name: div_fmas
body: |
bb.0:
successors: %bb.1
%vcc = S_MOV_B64 0
%vgpr0 = V_DIV_FMAS_F32 0, %vgpr1, 0, %vgpr2, 0, %vgpr3, 0, 0, implicit %vcc, implicit %exec
S_BRANCH %bb.1
bb.1:
successors: %bb.2
implicit %vcc = V_CMP_EQ_I32_e32 %vgpr1, %vgpr2, implicit %exec
%vgpr0 = V_DIV_FMAS_F32 0, %vgpr1, 0, %vgpr2, 0, %vgpr3, 0, 0, implicit %vcc, implicit %exec
S_BRANCH %bb.2
bb.2:
successors: %bb.3
%vcc = V_CMP_EQ_I32_e64 %vgpr1, %vgpr2, implicit %exec
%vgpr0 = V_DIV_FMAS_F32 0, %vgpr1, 0, %vgpr2, 0, %vgpr3, 0, 0, implicit %vcc, implicit %exec
S_BRANCH %bb.3
bb.3:
%vgpr4, %vcc = V_DIV_SCALE_F32 %vgpr1, %vgpr1, %vgpr3, implicit %exec
%vgpr0 = V_DIV_FMAS_F32 0, %vgpr1, 0, %vgpr2, 0, %vgpr3, 0, 0, implicit %vcc, implicit %exec
S_ENDPGM
...
...
---
# GCN-LABEL: name: s_getreg
# GCN-LABEL: bb.0:
# GCN: S_SETREG
# GCN: S_NOP 0
# GCN: S_NOP 0
# GCN: S_GETREG
# GCN-LABEL: bb.1:
# GCN: S_SETREG_IMM32
# GCN: S_NOP 0
# GCN: S_NOP 0
# GCN: S_GETREG
# GCN-LABEL: bb.2:
# GCN: S_SETREG
# GCN: S_NOP 0
# GCN: S_GETREG
# GCN-LABEL: bb.3:
# GCN: S_SETREG
# GCN-NEXT: S_GETREG
name: s_getreg
body: |
bb.0:
successors: %bb.1
S_SETREG_B32 %sgpr0, 1
%sgpr1 = S_GETREG_B32 1
S_BRANCH %bb.1
bb.1:
successors: %bb.2
S_SETREG_IMM32_B32 0, 1
%sgpr1 = S_GETREG_B32 1
S_BRANCH %bb.2
bb.2:
successors: %bb.3
S_SETREG_B32 %sgpr0, 1
%sgpr1 = S_MOV_B32 0
%sgpr2 = S_GETREG_B32 1
S_BRANCH %bb.3
bb.3:
S_SETREG_B32 %sgpr0, 0
%sgpr1 = S_GETREG_B32 1
S_ENDPGM
...
...
---
# GCN-LABEL: name: s_setreg
# GCN-LABEL: bb.0:
# GCN: S_SETREG
# GCN: S_NOP 0
# VI: S_NOP 0
# GCN-NEXT: S_SETREG
# GCN-LABEL: bb.1:
# GCN: S_SETREG
# GCN: S_NOP 0
# VI: S_NOP 0
# GCN-NEXT: S_SETREG
# GCN-LABEL: bb.2:
# GCN: S_SETREG
# GCN-NEXT: S_SETREG
name: s_setreg
body: |
bb.0:
successors: %bb.1
S_SETREG_B32 %sgpr0, 1
S_SETREG_B32 %sgpr1, 1
S_BRANCH %bb.1
bb.1:
successors: %bb.2
S_SETREG_B32 %sgpr0, 64
S_SETREG_B32 %sgpr1, 128
S_BRANCH %bb.2
bb.2:
S_SETREG_B32 %sgpr0, 1
S_SETREG_B32 %sgpr1, 0
S_ENDPGM
...
...
---
# GCN-LABEL: name: vmem_gt_8dw_store
# GCN-LABEL: bb.0:
# GCN: BUFFER_STORE_DWORD_OFFSET
# GCN-NEXT: V_MOV_B32
# GCN: BUFFER_STORE_DWORDX3_OFFSET
# CIVI: S_NOP
# GCN-NEXT: V_MOV_B32
# GCN: BUFFER_STORE_DWORDX4_OFFSET
# GCN-NEXT: V_MOV_B32
# GCN: BUFFER_STORE_DWORDX4_OFFSET
# CIVI: S_NOP
# GCN-NEXT: V_MOV_B32
# GCN: BUFFER_STORE_FORMAT_XYZ_OFFSET
# CIVI: S_NOP
# GCN-NEXT: V_MOV_B32
# GCN: BUFFER_STORE_FORMAT_XYZW_OFFSET
# CIVI: S_NOP
# GCN-NEXT: V_MOV_B32
# GCN-LABEL: bb.1:
# GCN: FLAT_STORE_DWORDX2
# GCN-NEXT: V_MOV_B32
# GCN: FLAT_STORE_DWORDX3
# CIVI: S_NOP
# GCN-NEXT: V_MOV_B32
# GCN: FLAT_STORE_DWORDX4
# CIVI: S_NOP
# GCN-NEXT: V_MOV_B32
# GCN: FLAT_ATOMIC_CMPSWAP_X2
# CIVI: S_NOP
# GCN-NEXT: V_MOV_B32
# GCN: FLAT_ATOMIC_FCMPSWAP_X2
# CIVI: S_NOP
# GCN: V_MOV_B32
name: vmem_gt_8dw_store
body: |
bb.0:
successors: %bb.1
BUFFER_STORE_DWORD_OFFSET %vgpr3, %sgpr0_sgpr1_sgpr2_sgpr3, %sgpr4, 0, 0, 0, 0, implicit %exec
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
BUFFER_STORE_DWORDX3_OFFSET %vgpr2_vgpr3_vgpr4, %sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit %exec
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
BUFFER_STORE_DWORDX4_OFFSET %vgpr2_vgpr3_vgpr4_vgpr5, %sgpr0_sgpr1_sgpr2_sgpr3, %sgpr4, 0, 0, 0, 0, implicit %exec
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
BUFFER_STORE_DWORDX4_OFFSET %vgpr2_vgpr3_vgpr4_vgpr5, %sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit %exec
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
BUFFER_STORE_FORMAT_XYZ_OFFSET %vgpr2_vgpr3_vgpr4, %sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit %exec
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
BUFFER_STORE_FORMAT_XYZW_OFFSET %vgpr2_vgpr3_vgpr4_vgpr5, %sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit %exec
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
BUFFER_ATOMIC_CMPSWAP_X2_OFFSET %vgpr2_vgpr3_vgpr4_vgpr5, %sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, implicit %exec
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
S_BRANCH %bb.1
bb.1:
FLAT_STORE_DWORDX2 %vgpr0_vgpr1, %vgpr2_vgpr3, 0, 0, 0, implicit %exec, implicit %flat_scr
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
FLAT_STORE_DWORDX3 %vgpr0_vgpr1, %vgpr2_vgpr3_vgpr4, 0, 0, 0, implicit %exec, implicit %flat_scr
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
FLAT_STORE_DWORDX4 %vgpr0_vgpr1, %vgpr2_vgpr3_vgpr4_vgpr5, 0, 0, 0, implicit %exec, implicit %flat_scr
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
FLAT_ATOMIC_CMPSWAP_X2 %vgpr0_vgpr1, %vgpr2_vgpr3_vgpr4_vgpr5, 0, 0, implicit %exec, implicit %flat_scr
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
FLAT_ATOMIC_FCMPSWAP_X2 %vgpr0_vgpr1, %vgpr2_vgpr3_vgpr4_vgpr5, 0, 0, implicit %exec, implicit %flat_scr
%vgpr3 = V_MOV_B32_e32 0, implicit %exec
S_ENDPGM
...
...
---
# GCN-LABEL: name: readwrite_lane
# GCN-LABEL: bb.0:
# GCN: V_ADD_I32
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: V_READLANE_B32
# GCN-LABEL: bb.1:
# GCN: V_ADD_I32
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: V_WRITELANE_B32
# GCN-LABEL: bb.2:
# GCN: V_ADD_I32
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: V_READLANE_B32
# GCN-LABEL: bb.3:
# GCN: V_ADD_I32
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: S_NOP
# GCN: V_WRITELANE_B32
name: readwrite_lane
body: |
bb.0:
successors: %bb.1
%vgpr0,%sgpr0_sgpr1 = V_ADD_I32_e64 %vgpr1, %vgpr2, implicit %vcc, implicit %exec
%sgpr4 = V_READLANE_B32 %vgpr4, %sgpr0
S_BRANCH %bb.1
bb.1:
successors: %bb.2
%vgpr0,%sgpr0_sgpr1 = V_ADD_I32_e64 %vgpr1, %vgpr2, implicit %vcc, implicit %exec
%vgpr4 = V_WRITELANE_B32 %sgpr0, %sgpr0
S_BRANCH %bb.2
bb.2:
successors: %bb.3
%vgpr0,implicit %vcc = V_ADD_I32_e32 %vgpr1, %vgpr2, implicit %vcc, implicit %exec
%sgpr4 = V_READLANE_B32 %vgpr4, %vcc_lo
S_BRANCH %bb.3
bb.3:
%vgpr0,implicit %vcc = V_ADD_I32_e32 %vgpr1, %vgpr2, implicit %vcc, implicit %exec
%vgpr4 = V_WRITELANE_B32 %sgpr4, %vcc_lo
S_ENDPGM
...
...
---
# GCN-LABEL: name: rfe
# GCN-LABEL: bb.0:
# GCN: S_SETREG
# VI: S_NOP
# GCN-NEXT: S_RFE_B64
# GCN-LABEL: bb.1:
# GCN: S_SETREG
# GCN-NEXT: S_RFE_B64
name: rfe
body: |
bb.0:
successors: %bb.1
S_SETREG_B32 %sgpr0, 3
S_RFE_B64 %sgpr2_sgpr3
S_BRANCH %bb.1
bb.1:
S_SETREG_B32 %sgpr0, 0
S_RFE_B64 %sgpr2_sgpr3
S_ENDPGM
...
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