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llvm-project/llvm/test/CodeGen/LoongArch/2ri.mir
Weining Lu c063f9da55 [LoongArch] Add EncoderMethods for transformed immediate operands 
This is a split patch of D120476 and thanks to myhsu.

'Transformed' means the encoding of an immediate is not the same as
its binary representation. For example, the `bl` instruction
requires a signed 28-bits integer as its operand and the low 2 bits
must be 0. So only the upper 26 bits are needed to get encoded into
the instruction.

Based on the above reason this kind of immediate needs a customed
`EncoderMethod` to get the real value getting encoded into the
instruction.

Currently these immediate includes:
```
  uimm2_plus1
  simm14_lsl2
  simm16_lsl2
  simm21_lsl2
  simm26_lsl2
```

This patch adds those `EncoderMethod`s and revises related .mir test
in previous patch.

Reviewed By: xen0n, MaskRay

Differential Revision: https://reviews.llvm.org/D120545
2022-03-07 16:47:26 +08:00

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# RUN: llc %s -mtriple=loongarch64 -start-after=prologepilog -O0 -filetype=obj -o - \
# RUN: | extract-section .text \
# RUN: | FileCheck %s -check-prefix=CHECK-ENC
# RUN: llc %s -mtriple=loongarch64 -start-after=prologepilog -O0 -filetype=asm -o - \
# RUN: | FileCheck %s -check-prefix=CHECK-ASM
# -------------------------------------------------------------------------------------------------
# Encoding format: 2RI5
# -------------------------------------------------------------------------------------------------
# ---------------------------------------------------+--------------+--------------+---------------
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
# ---------------------------------------------------+--------------+--------------+---------------
# opcode | imm5 | rj | rd
# ---------------------------------------------------+--------------+--------------+---------------
---
# CHECK-LABEL: test_SLLI_W:
# CHECK-ENC: 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: slli.w $a0, $a1, 0
name: test_SLLI_W
body: |
bb.0:
$r4 = SLLI_W $r5, 0
...
---
# CHECK-LABEL: test_SRLI_W:
# CHECK-ENC: 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 1 1 1 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: srli.w $a0, $a1, 30
name: test_SRLI_W
body: |
bb.0:
$r4 = SRLI_W $r5, 30
...
---
# CHECK-LABEL: test_SRAI_W:
# CHECK-ENC: 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 1 0 0 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: srai.w $a0, $a1, 24
name: test_SRAI_W
body: |
bb.0:
$r4 = SRAI_W $r5, 24
...
---
# CHECK-LABEL: test_ROTRI_W:
# CHECK-ENC: 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 1 0 1 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: rotri.w $a0, $a1, 23
name: test_ROTRI_W
body: |
bb.0:
$r4 = ROTRI_W $r5, 23
...
# -------------------------------------------------------------------------------------------------
# Encoding format: 2RI6
# -------------------------------------------------------------------------------------------------
# ------------------------------------------------+-----------------+--------------+---------------
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
# ------------------------------------------------+-----------------+--------------+---------------
# opcode | imm6 | rj | rd
# ------------------------------------------------+-----------------+--------------+---------------
---
# CHECK-LABEL: test_SLLI_D:
# CHECK-ENC: 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 1 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: slli.d $a0, $a1, 39
name: test_SLLI_D
body: |
bb.0:
$r4 = SLLI_D $r5, 39
...
---
# CHECK-LABEL: test_SRLI_D:
# CHECK-ENC: 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 0 0 1 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: srli.d $a0, $a1, 38
name: test_SRLI_D
body: |
bb.0:
$r4 = SRLI_D $r5, 38
...
---
# CHECK-LABEL: test_SRAI_D:
# CHECK-ENC: 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 1 0 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: srai.d $a0, $a1, 27
name: test_SRAI_D
body: |
bb.0:
$r4 = SRAI_D $r5, 27
...
---
# CHECK-LABEL: test_ROTRI_D:
# CHECK-ENC: 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 0 1 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: rotri.d $a0, $a1, 7
name: test_ROTRI_D
body: |
bb.0:
$r4 = ROTRI_D $r5, 7
...
# -------------------------------------------------------------------------------------------------
# Encoding format: 2RI12
# -------------------------------------------------------------------------------------------------
# ------------------------------+-----------------------------------+--------------+---------------
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
# ------------------------------+-----------------------------------+--------------+---------------
# opcode | imm12 | rj | rd
# ------------------------------+-----------------------------------+--------------+---------------
---
# CHECK-LABEL: test_SLTI:
# CHECK-ENC: 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 0 1 0 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: slti $a0, $a1, 235
name: test_SLTI
body: |
bb.0:
$r4 = SLTI $r5, 235
...
---
# CHECK-LABEL: test_SLTUI:
# CHECK-ENC: 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 1 0 0 0 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: sltui $a0, $a1, 162
name: test_SLTUI
body: |
bb.0:
$r4 = SLTUI $r5, 162
...
---
# CHECK-LABEL: test_ADDI_W:
# CHECK-ENC: 0 0 0 0 0 0 1 0 1 0 0 0 0 0 1 1 1 1 0 1 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: addi.w $a0, $a1, 246
name: test_ADDI_W
body: |
bb.0:
$r4 = ADDI_W $r5, 246
...
---
# CHECK-LABEL: test_ADDI_D:
# CHECK-ENC: 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 1 0 0 1 0 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: addi.d $a0, $a1, 75
name: test_ADDI_D
body: |
bb.0:
$r4 = ADDI_D $r5, 75
...
---
# CHECK-LABEL: test_LU52I_D:
# CHECK-ENC: 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: lu52i.d $a0, $a1, 195
name: test_LU52I_D
body: |
bb.0:
$r4 = LU52I_D $r5, 195
...
---
# CHECK-LABEL: test_ANDI:
# CHECK-ENC: 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 1 1 0 1 0 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: andi $a0, $a1, 106
name: test_ANDI
body: |
bb.0:
$r4 = ANDI $r5, 106
...
---
# CHECK-LABEL: test_ORI:
# CHECK-ENC: 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 1 0 1 1 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ori $a0, $a1, 47
name: test_ORI
body: |
bb.0:
$r4 = ORI $r5, 47
...
---
# CHECK-LABEL: test_XORI:
# CHECK-ENC: 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 1 1 0 0 0 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: xori $a0, $a1, 99
name: test_XORI
body: |
bb.0:
$r4 = XORI $r5, 99
...
---
# CHECK-LABEL: test_LD_B:
# CHECK-ENC: 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ld.b $a0, $a1, 21
name: test_LD_B
body: |
bb.0:
$r4 = LD_B $r5, 21
...
---
# CHECK-LABEL: test_LD_H:
# CHECK-ENC: 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ld.h $a0, $a1, 80
name: test_LD_H
body: |
bb.0:
$r4 = LD_H $r5, 80
...
---
# CHECK-LABEL: test_LD_W:
# CHECK-ENC: 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ld.w $a0, $a1, 92
name: test_LD_W
body: |
bb.0:
$r4 = LD_W $r5, 92
...
---
# CHECK-LABEL: test_LD_BU:
# CHECK-ENC: 0 0 1 0 1 0 1 0 0 0 0 0 0 0 1 0 0 1 0 1 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ld.bu $a0, $a1, 150
name: test_LD_BU
body: |
bb.0:
$r4 = LD_BU $r5, 150
...
---
# CHECK-LABEL: test_LD_HU:
# CHECK-ENC: 0 0 1 0 1 0 1 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ld.hu $a0, $a1, 198
name: test_LD_HU
body: |
bb.0:
$r4 = LD_HU $r5, 198
...
---
# CHECK-LABEL: test_LD_WU:
# CHECK-ENC: 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ld.wu $a0, $a1, 31
name: test_LD_WU
body: |
bb.0:
$r4 = LD_WU $r5, 31
...
---
# CHECK-LABEL: test_ST_B:
# CHECK-ENC: 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 1 0 1 1 1 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: st.b $a0, $a1, 95
name: test_ST_B
body: |
bb.0:
ST_B $r4, $r5, 95
...
---
# CHECK-LABEL: test_ST_H:
# CHECK-ENC: 0 0 1 0 1 0 0 1 0 1 0 0 0 0 0 1 1 1 1 0 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: st.h $a0, $a1, 122
name: test_ST_H
body: |
bb.0:
ST_H $r4, $r5, 122
...
---
# CHECK-LABEL: test_ST_W:
# CHECK-ENC: 0 0 1 0 1 0 0 1 1 0 0 0 0 0 1 0 1 0 1 1 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: st.w $a0, $a1, 175
name: test_ST_W
body: |
bb.0:
ST_W $r4, $r5, 175
...
---
# CHECK-LABEL: test_ST_D:
# CHECK-ENC: 0 0 1 0 1 0 0 1 1 1 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: st.d $a0, $a1, 60
name: test_ST_D
body: |
bb.0:
ST_D $r4, $r5, 60
...
# -------------------------------------------------------------------------------------------------
# Encoding format: 2RI14
# -------------------------------------------------------------------------------------------------
# ------------------------+-----------------------------------------+--------------+---------------
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
# ------------------------+-----------------------------------------+--------------+---------------
# opcode | imm14 | rj | rd
# ------------------------+-----------------------------------------+--------------+---------------
---
# CHECK-LABEL: test_LDPTR_W:
# CHECK-ENC: 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ldptr.w $a0, $a1, 264
name: test_LDPTR_W
body: |
bb.0:
$r4 = LDPTR_W $r5, 264
...
---
# CHECK-LABEL: test_LDPTR_D:
# CHECK-ENC: 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ldptr.d $a0, $a1, 224
name: test_LDPTR_D
body: |
bb.0:
$r4 = LDPTR_D $r5, 224
...
---
# CHECK-LABEL: test_STPTR_W:
# CHECK-ENC: 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 1 0 1 0 1 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: stptr.w $a0, $a1, 348
name: test_STPTR_W
body: |
bb.0:
STPTR_W $r4, $r5, 348
...
---
# CHECK-LABEL: test_STPTR_D:
# CHECK-ENC: 0 0 1 0 0 1 1 1 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: stptr.d $a0, $a1, 580
name: test_STPTR_D
body: |
bb.0:
STPTR_D $r4, $r5, 580
...
---
# CHECK-LABEL: test_LL_W:
# CHECK-ENC: 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ll.w $a0, $a1, 972
name: test_LL_W
body: |
bb.0:
$r4 = LL_W $r5, 972
...
---
# CHECK-LABEL: test_LL_D:
# CHECK-ENC: 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: ll.d $a0, $a1, 296
name: test_LL_D
body: |
bb.0:
$r4 = LL_D $r5, 296
...
---
# CHECK-LABEL: test_SC_W:
# CHECK-ENC: 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: sc.w $a0, $a1, 384
name: test_SC_W
body: |
bb.0:
$r4 = SC_W $r4, $r5, 384
...
---
# CHECK-LABEL: test_SC_D:
# CHECK-ENC: 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: sc.d $a0, $a1, 420
name: test_SC_D
body: |
bb.0:
$r4 = SC_D $r4, $r5, 420
...
# -------------------------------------------------------------------------------------------------
# Encoding format: 2RI16
# -------------------------------------------------------------------------------------------------
# ------------------+-----------------------------------------------+--------------+---------------
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
# ------------------+-----------------------------------------------+--------------+---------------
# opcode | imm16 | rj | rd
# ------------------+-----------------------------------------------+--------------+---------------
---
# CHECK-LABEL: test_ADDU16I_D:
# CHECK-ENC: 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: addu16i.d $a0, $a1, 23
name: test_ADDU16I_D
body: |
bb.0:
$r4 = ADDU16I_D $r5, 23
...
---
# CHECK-LABEL: test_JIRL:
# CHECK-ENC: 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 1 0 1 0 0 1 0 0
# CHECK-ASM: jirl $a0, $a1, 196
name: test_JIRL
body: |
bb.0:
$r4 = JIRL $r5, 196
...
---
# CHECK-LABEL: test_BEQ:
# CHECK-ENC: 0 1 0 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 1
# CHECK-ASM: beq $a0, $a1, 784
name: test_BEQ
body: |
bb.0:
BEQ $r4, $r5, 784
...
---
# CHECK-LABEL: test_BNE:
# CHECK-ENC: 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 0 0 0 0 1 0 1
# CHECK-ASM: bne $a0, $a1, 76
name: test_BNE
body: |
bb.0:
BNE $r4, $r5, 76
...
---
# CHECK-LABEL: test_BLT:
# CHECK-ENC: 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1 1 0 0 1 0 0 0 0 1 0 1
# CHECK-ASM: blt $a0, $a1, 492
name: test_BLT
body: |
bb.0:
BLT $r4, $r5, 492
...
---
# CHECK-LABEL: test_BGE:
# CHECK-ENC: 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 1 0 1
# CHECK-ASM: bge $a0, $a1, 48
name: test_BGE
body: |
bb.0:
BGE $r4, $r5, 48
...
---
# CHECK-LABEL: test_BLTU:
# CHECK-ENC: 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 1 0 1
# CHECK-ASM: bltu $a0, $a1, 68
name: test_BLTU
body: |
bb.0:
BLTU $r4, $r5, 68
...
---
# CHECK-LABEL: test_BGEU:
# CHECK-ENC: 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 1 0 0 0 0 1 0 1
# CHECK-ASM: bgeu $a0, $a1, 352
name: test_BGEU
body: |
bb.0:
BGEU $r4, $r5, 352
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