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llvm-mirror/test/CodeGen/AMDGPU/fold-immediate-output-mods.mir
Piotr Sobczak b9148f5d85 [AMDGPU] Extend buffer intrinsics with swizzling 
Summary:
Extend cachepolicy operand in the new VMEM buffer intrinsics
to supply information whether the buffer data is swizzled.
Also, propagate this information to MIR.

Intrinsics updated:
int_amdgcn_raw_buffer_load
int_amdgcn_raw_buffer_load_format
int_amdgcn_raw_buffer_store
int_amdgcn_raw_buffer_store_format
int_amdgcn_raw_tbuffer_load
int_amdgcn_raw_tbuffer_store
int_amdgcn_struct_buffer_load
int_amdgcn_struct_buffer_load_format
int_amdgcn_struct_buffer_store
int_amdgcn_struct_buffer_store_format
int_amdgcn_struct_tbuffer_load
int_amdgcn_struct_tbuffer_store

Furthermore, disable merging of VMEM buffer instructions
in SI Load/Store optimizer, if the "swizzled" bit on the instruction
is on.

The default value of the bit is 0, meaning that data in buffer
is linear and buffer instructions can be merged.

There is no difference in the generated code with this commit.
However, in the future it will be expected that front-ends
use buffer intrinsics with correct "swizzled" bit set.

Reviewers: arsenm, nhaehnle, tpr

Reviewed By: nhaehnle

Subscribers: arsenm, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, arphaman, jfb, Petar.Avramovic, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68200

llvm-svn: 373491
2019-10-02 17:22:36 +00:00

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# RUN: llc -march=amdgcn -run-pass peephole-opt -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
...
# GCN-LABEL: name: no_fold_imm_madak_mac_clamp_f32
# GCN: %23:vgpr_32 = V_MOV_B32_e32 1090519040, implicit $exec
# GCN-NEXT: %24:vgpr_32 = V_MAC_F32_e64 0, killed %19, 0, killed %21, 0, %23, 1, 0, implicit $exec
name: no_fold_imm_madak_mac_clamp_f32
tracksRegLiveness: true
registers:
- { id: 0, class: sgpr_64 }
- { id: 1, class: sreg_32_xm0 }
- { id: 2, class: sgpr_32 }
- { id: 3, class: vgpr_32 }
- { id: 4, class: sreg_64_xexec }
- { id: 5, class: sreg_64_xexec }
- { id: 6, class: sreg_64_xexec }
- { id: 7, class: sreg_32 }
- { id: 8, class: sreg_32 }
- { id: 9, class: sreg_32_xm0 }
- { id: 10, class: sreg_64 }
- { id: 11, class: sreg_32_xm0 }
- { id: 12, class: sreg_32_xm0 }
- { id: 13, class: sgpr_64 }
- { id: 14, class: sgpr_128 }
- { id: 15, class: sreg_32_xm0 }
- { id: 16, class: sreg_64 }
- { id: 17, class: sgpr_128 }
- { id: 18, class: sgpr_128 }
- { id: 19, class: vgpr_32 }
- { id: 20, class: vreg_64 }
- { id: 21, class: vgpr_32 }
- { id: 22, class: vreg_64 }
- { id: 23, class: vgpr_32 }
- { id: 24, class: vgpr_32 }
- { id: 25, class: vgpr_32 }
- { id: 26, class: vreg_64 }
- { id: 27, class: vgpr_32 }
- { id: 28, class: vreg_64 }
- { id: 29, class: vreg_64 }
liveins:
- { reg: '$sgpr0_sgpr1', virtual-reg: '%0' }
- { reg: '$vgpr0', virtual-reg: '%3' }
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0
%3 = COPY $vgpr0
%0 = COPY $sgpr0_sgpr1
%4 = S_LOAD_DWORDX2_IMM %0, 9, 0, 0
%5 = S_LOAD_DWORDX2_IMM %0, 11, 0, 0
%6 = S_LOAD_DWORDX2_IMM %0, 13, 0, 0
%27 = V_ASHRREV_I32_e32 31, %3, implicit $exec
%28 = REG_SEQUENCE %3, 1, %27, 2
%11 = S_MOV_B32 61440
%12 = S_MOV_B32 0
%13 = REG_SEQUENCE killed %12, 1, killed %11, 2
%14 = REG_SEQUENCE killed %5, 17, %13, 18
%15 = S_MOV_B32 2
%29 = V_LSHL_B64 killed %28, killed %15, implicit $exec
%17 = REG_SEQUENCE killed %6, 17, %13, 18
%18 = REG_SEQUENCE killed %4, 17, %13, 18
%20 = COPY %29
%19 = BUFFER_LOAD_DWORD_ADDR64 %20, killed %14, 0, 0, 0, 0, 0, 0, 0, implicit $exec
%22 = COPY %29
%21 = BUFFER_LOAD_DWORD_ADDR64 %22, killed %17, 0, 0, 0, 0, 0, 0, 0, implicit $exec
%23 = V_MOV_B32_e32 1090519040, implicit $exec
%24 = V_MAC_F32_e64 0, killed %19, 0, killed %21, 0, %23, 1, 0, implicit $exec
%26 = COPY %29
BUFFER_STORE_DWORD_ADDR64 killed %24, %26, killed %18, 0, 0, 0, 0, 0, 0, 0, implicit $exec
S_ENDPGM 0
...
---
# GCN-LABEL: name: no_fold_imm_madak_mac_omod_f32
# GCN: %23:vgpr_32 = V_MOV_B32_e32 1090519040, implicit $exec
# GCN: %24:vgpr_32 = V_MAC_F32_e64 0, killed %19, 0, killed %21, 0, %23, 0, 2, implicit $exec
name: no_fold_imm_madak_mac_omod_f32
tracksRegLiveness: true
registers:
- { id: 0, class: sgpr_64 }
- { id: 1, class: sreg_32_xm0 }
- { id: 2, class: sgpr_32 }
- { id: 3, class: vgpr_32 }
- { id: 4, class: sreg_64_xexec }
- { id: 5, class: sreg_64_xexec }
- { id: 6, class: sreg_64_xexec }
- { id: 7, class: sreg_32 }
- { id: 8, class: sreg_32 }
- { id: 9, class: sreg_32_xm0 }
- { id: 10, class: sreg_64 }
- { id: 11, class: sreg_32_xm0 }
- { id: 12, class: sreg_32_xm0 }
- { id: 13, class: sgpr_64 }
- { id: 14, class: sgpr_128 }
- { id: 15, class: sreg_32_xm0 }
- { id: 16, class: sreg_64 }
- { id: 17, class: sgpr_128 }
- { id: 18, class: sgpr_128 }
- { id: 19, class: vgpr_32 }
- { id: 20, class: vreg_64 }
- { id: 21, class: vgpr_32 }
- { id: 22, class: vreg_64 }
- { id: 23, class: vgpr_32 }
- { id: 24, class: vgpr_32 }
- { id: 25, class: vgpr_32 }
- { id: 26, class: vreg_64 }
- { id: 27, class: vgpr_32 }
- { id: 28, class: vreg_64 }
- { id: 29, class: vreg_64 }
liveins:
- { reg: '$sgpr0_sgpr1', virtual-reg: '%0' }
- { reg: '$vgpr0', virtual-reg: '%3' }
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0
%3 = COPY $vgpr0
%0 = COPY $sgpr0_sgpr1
%4 = S_LOAD_DWORDX2_IMM %0, 9, 0, 0
%5 = S_LOAD_DWORDX2_IMM %0, 11, 0, 0
%6 = S_LOAD_DWORDX2_IMM %0, 13, 0, 0
%27 = V_ASHRREV_I32_e32 31, %3, implicit $exec
%28 = REG_SEQUENCE %3, 1, %27, 2
%11 = S_MOV_B32 61440
%12 = S_MOV_B32 0
%13 = REG_SEQUENCE killed %12, 1, killed %11, 2
%14 = REG_SEQUENCE killed %5, 17, %13, 18
%15 = S_MOV_B32 2
%29 = V_LSHL_B64 killed %28, killed %15, implicit $exec
%17 = REG_SEQUENCE killed %6, 17, %13, 18
%18 = REG_SEQUENCE killed %4, 17, %13, 18
%20 = COPY %29
%19 = BUFFER_LOAD_DWORD_ADDR64 %20, killed %14, 0, 0, 0, 0, 0, 0, 0, implicit $exec
%22 = COPY %29
%21 = BUFFER_LOAD_DWORD_ADDR64 %22, killed %17, 0, 0, 0, 0, 0, 0, 0, implicit $exec
%23 = V_MOV_B32_e32 1090519040, implicit $exec
%24 = V_MAC_F32_e64 0, killed %19, 0, killed %21, 0, %23, 0, 2, implicit $exec
%26 = COPY %29
BUFFER_STORE_DWORD_ADDR64 killed %24, %26, killed %18, 0, 0, 0, 0, 0, 0, 0, implicit $exec
S_ENDPGM 0
...
---
# GCN: name: no_fold_imm_madak_mad_clamp_f32
# GCN: %23:vgpr_32 = V_MOV_B32_e32 1090519040, implicit $exec
# GCN: %24:vgpr_32 = V_MAD_F32 0, killed %19, 0, killed %21, 0, %23, 1, 0, implicit $exec
name: no_fold_imm_madak_mad_clamp_f32
tracksRegLiveness: true
registers:
- { id: 0, class: sgpr_64 }
- { id: 1, class: sreg_32_xm0 }
- { id: 2, class: sgpr_32 }
- { id: 3, class: vgpr_32 }
- { id: 4, class: sreg_64_xexec }
- { id: 5, class: sreg_64_xexec }
- { id: 6, class: sreg_64_xexec }
- { id: 7, class: sreg_32 }
- { id: 8, class: sreg_32 }
- { id: 9, class: sreg_32_xm0 }
- { id: 10, class: sreg_64 }
- { id: 11, class: sreg_32_xm0 }
- { id: 12, class: sreg_32_xm0 }
- { id: 13, class: sgpr_64 }
- { id: 14, class: sgpr_128 }
- { id: 15, class: sreg_32_xm0 }
- { id: 16, class: sreg_64 }
- { id: 17, class: sgpr_128 }
- { id: 18, class: sgpr_128 }
- { id: 19, class: vgpr_32 }
- { id: 20, class: vreg_64 }
- { id: 21, class: vgpr_32 }
- { id: 22, class: vreg_64 }
- { id: 23, class: vgpr_32 }
- { id: 24, class: vgpr_32 }
- { id: 25, class: vgpr_32 }
- { id: 26, class: vreg_64 }
- { id: 27, class: vgpr_32 }
- { id: 28, class: vreg_64 }
- { id: 29, class: vreg_64 }
liveins:
- { reg: '$sgpr0_sgpr1', virtual-reg: '%0' }
- { reg: '$vgpr0', virtual-reg: '%3' }
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0
%3 = COPY $vgpr0
%0 = COPY $sgpr0_sgpr1
%4 = S_LOAD_DWORDX2_IMM %0, 9, 0, 0
%5 = S_LOAD_DWORDX2_IMM %0, 11, 0, 0
%6 = S_LOAD_DWORDX2_IMM %0, 13, 0, 0
%27 = V_ASHRREV_I32_e32 31, %3, implicit $exec
%28 = REG_SEQUENCE %3, 1, %27, 2
%11 = S_MOV_B32 61440
%12 = S_MOV_B32 0
%13 = REG_SEQUENCE killed %12, 1, killed %11, 2
%14 = REG_SEQUENCE killed %5, 17, %13, 18
%15 = S_MOV_B32 2
%29 = V_LSHL_B64 killed %28, killed %15, implicit $exec
%17 = REG_SEQUENCE killed %6, 17, %13, 18
%18 = REG_SEQUENCE killed %4, 17, %13, 18
%20 = COPY %29
%19 = BUFFER_LOAD_DWORD_ADDR64 %20, killed %14, 0, 0, 0, 0, 0, 0, 0, implicit $exec
%22 = COPY %29
%21 = BUFFER_LOAD_DWORD_ADDR64 %22, killed %17, 0, 0, 0, 0, 0, 0, 0, implicit $exec
%23 = V_MOV_B32_e32 1090519040, implicit $exec
%24 = V_MAD_F32 0, killed %19, 0, killed %21, 0, %23, 1, 0, implicit $exec
%26 = COPY %29
BUFFER_STORE_DWORD_ADDR64 killed %24, %26, killed %18, 0, 0, 0, 0, 0, 0, 0, implicit $exec
S_ENDPGM 0
...
---
# GCN: name: no_fold_imm_madak_mad_omod_f32
# GCN: %23:vgpr_32 = V_MOV_B32_e32 1090519040, implicit $exec
# GCN: %24:vgpr_32 = V_MAD_F32 0, killed %19, 0, killed %21, 0, %23, 0, 1, implicit $exec
name: no_fold_imm_madak_mad_omod_f32
tracksRegLiveness: true
registers:
- { id: 0, class: sgpr_64 }
- { id: 1, class: sreg_32_xm0 }
- { id: 2, class: sgpr_32 }
- { id: 3, class: vgpr_32 }
- { id: 4, class: sreg_64_xexec }
- { id: 5, class: sreg_64_xexec }
- { id: 6, class: sreg_64_xexec }
- { id: 7, class: sreg_32 }
- { id: 8, class: sreg_32 }
- { id: 9, class: sreg_32_xm0 }
- { id: 10, class: sreg_64 }
- { id: 11, class: sreg_32_xm0 }
- { id: 12, class: sreg_32_xm0 }
- { id: 13, class: sgpr_64 }
- { id: 14, class: sgpr_128 }
- { id: 15, class: sreg_32_xm0 }
- { id: 16, class: sreg_64 }
- { id: 17, class: sgpr_128 }
- { id: 18, class: sgpr_128 }
- { id: 19, class: vgpr_32 }
- { id: 20, class: vreg_64 }
- { id: 21, class: vgpr_32 }
- { id: 22, class: vreg_64 }
- { id: 23, class: vgpr_32 }
- { id: 24, class: vgpr_32 }
- { id: 25, class: vgpr_32 }
- { id: 26, class: vreg_64 }
- { id: 27, class: vgpr_32 }
- { id: 28, class: vreg_64 }
- { id: 29, class: vreg_64 }
liveins:
- { reg: '$sgpr0_sgpr1', virtual-reg: '%0' }
- { reg: '$vgpr0', virtual-reg: '%3' }
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr0
%3 = COPY $vgpr0
%0 = COPY $sgpr0_sgpr1
%4 = S_LOAD_DWORDX2_IMM %0, 9, 0, 0
%5 = S_LOAD_DWORDX2_IMM %0, 11, 0, 0
%6 = S_LOAD_DWORDX2_IMM %0, 13, 0, 0
%27 = V_ASHRREV_I32_e32 31, %3, implicit $exec
%28 = REG_SEQUENCE %3, 1, %27, 2
%11 = S_MOV_B32 61440
%12 = S_MOV_B32 0
%13 = REG_SEQUENCE killed %12, 1, killed %11, 2
%14 = REG_SEQUENCE killed %5, 17, %13, 18
%15 = S_MOV_B32 2
%29 = V_LSHL_B64 killed %28, killed %15, implicit $exec
%17 = REG_SEQUENCE killed %6, 17, %13, 18
%18 = REG_SEQUENCE killed %4, 17, %13, 18
%20 = COPY %29
%19 = BUFFER_LOAD_DWORD_ADDR64 %20, killed %14, 0, 0, 0, 0, 0, 0, 0, implicit $exec
%22 = COPY %29
%21 = BUFFER_LOAD_DWORD_ADDR64 %22, killed %17, 0, 0, 0, 0, 0, 0, 0, implicit $exec
%23 = V_MOV_B32_e32 1090519040, implicit $exec
%24 = V_MAD_F32 0, killed %19, 0, killed %21, 0, %23, 0, 1, implicit $exec
%26 = COPY %29
BUFFER_STORE_DWORD_ADDR64 killed %24, %26, killed %18, 0, 0, 0, 0, 0, 0, 0, implicit $exec
S_ENDPGM 0
...
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