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|
# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=GCN,SI,SICI,SIVI
# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=GCN,CI,SICI
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=GCN,VI,SIVI
# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=GCN,GFX9
--- |
define amdgpu_kernel void @smrd_imm(i32 addrspace(4)* %const0) { ret void }
define amdgpu_kernel void @smrd_wide() { ret void }
define amdgpu_kernel void @constant_address_positive() { ret void }
define amdgpu_kernel void @smrd_sgpr() { ret void }
define amdgpu_kernel void @smrd_sgpr_imm() { ret void }
...
---
name: smrd_imm
legalized: true
regBankSelected: true
# GCN: body:
# GCN: [[PTR:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
# Immediate offset:
# SICI: S_LOAD_DWORD_IMM [[PTR]], 1, 0
# VI: S_LOAD_DWORD_IMM [[PTR]], 4, 0
# Max immediate offset for SI
# SICI: S_LOAD_DWORD_IMM [[PTR]], 255, 0
# VI: S_LOAD_DWORD_IMM [[PTR]], 1020, 0
# Immediate overflow for SI
# SI: [[K1024:%[0-9]+]]:sreg_32 = S_MOV_B32 1024
# SI: S_LOAD_DWORD_SGPR [[PTR]], [[K1024]], 0
# CI: S_LOAD_DWORD_IMM_ci [[PTR]], 256, 0
# VI: S_LOAD_DWORD_IMM [[PTR]], 1024, 0
# Max immediate offset for VI
# SI: [[K1048572:%[0-9]+]]:sreg_32 = S_MOV_B32 1048572
# CI: S_LOAD_DWORD_IMM_ci [[PTR]], 262143
# VI: S_LOAD_DWORD_IMM [[PTR]], 1048572
#
# Immediate overflow for VI
# SIVI: [[K1048576:%[0-9]+]]:sreg_32 = S_MOV_B32 1048576
# SIVI: S_LOAD_DWORD_SGPR [[PTR]], [[K1048576]], 0
# CI: S_LOAD_DWORD_IMM_ci [[PTR]], 262144, 0
# Max immediate for CI
# SIVI: [[K_LO:%[0-9]+]]:sreg_32 = S_MOV_B32 4294967292
# SIVI: [[K_HI:%[0-9]+]]:sreg_32 = S_MOV_B32 3
# SIVI: [[K:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[K_LO]], %subreg.sub0, [[K_HI]], %subreg.sub1
# SIVI-DAG: [[K_SUB0:%[0-9]+]]:sreg_32 = COPY [[K]].sub0
# SIVI-DAG: [[PTR_LO:%[0-9]+]]:sreg_32 = COPY [[PTR]].sub0
# SIVI-DAG: [[ADD_PTR_LO:%[0-9]+]]:sreg_32 = S_ADD_U32 [[PTR_LO]], [[K_SUB0]]
# SIVI-DAG: [[K_SUB1:%[0-9]+]]:sreg_32 = COPY [[K]].sub1
# SIVI-DAG: [[PTR_HI:%[0-9]+]]:sreg_32 = COPY [[PTR]].sub1
# SIVI: [[ADD_PTR_HI:%[0-9]+]]:sreg_32 = S_ADDC_U32 [[PTR_HI]], [[K_SUB1]]
# SIVI: [[ADD_PTR:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[ADD_PTR_LO]], %subreg.sub0, [[ADD_PTR_HI]], %subreg.sub1
# SIVI: S_LOAD_DWORD_IMM [[ADD_PTR]], 0, 0
# CI: S_LOAD_DWORD_IMM_ci [[PTR]], 4294967295, 0
# Immediate overflow for CI
# GCN: [[K_LO:%[0-9]+]]:sreg_32 = S_MOV_B32 0
# GCN: [[K_HI:%[0-9]+]]:sreg_32 = S_MOV_B32 4
# GCN: [[K:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[K_LO]], %subreg.sub0, [[K_HI]], %subreg.sub1
# GCN-DAG: [[K_SUB0:%[0-9]+]]:sreg_32 = COPY [[K]].sub0
# GCN-DAG: [[PTR_LO:%[0-9]+]]:sreg_32 = COPY [[PTR]].sub0
# GCN-DAG: [[ADD_PTR_LO:%[0-9]+]]:sreg_32 = S_ADD_U32 [[PTR_LO]], [[K_SUB0]]
# GCN-DAG: [[K_SUB1:%[0-9]+]]:sreg_32 = COPY [[K]].sub1
# GCN-DAG: [[PTR_HI:%[0-9]+]]:sreg_32 = COPY [[PTR]].sub1
# GCN: [[ADD_PTR_HI:%[0-9]+]]:sreg_32 = S_ADDC_U32 [[PTR_HI]], [[K_SUB1]]
# GCN: [[ADD_PTR:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[ADD_PTR_LO]], %subreg.sub0, [[ADD_PTR_HI]], %subreg.sub1
# GCN: S_LOAD_DWORD_IMM [[ADD_PTR]], 0, 0
# Max 32-bit byte offset
# SIVI: [[K4294967292:%[0-9]+]]:sreg_32 = S_MOV_B32 4294967292
# SIVI: S_LOAD_DWORD_SGPR [[PTR]], [[K4294967292]], 0
# CI: S_LOAD_DWORD_IMM_ci [[PTR]], 1073741823, 0
# Overflow 32-bit byte offset
# SIVI: [[K_LO:%[0-9]+]]:sreg_32 = S_MOV_B32 0
# SIVI: [[K_HI:%[0-9]+]]:sreg_32 = S_MOV_B32 1
# SIVI: [[K:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[K_LO]], %subreg.sub0, [[K_HI]], %subreg.sub1
# SIVI-DAG: [[K_SUB0:%[0-9]+]]:sreg_32 = COPY [[K]].sub0
# SIVI-DAG: [[PTR_LO:%[0-9]+]]:sreg_32 = COPY [[PTR]].sub0
# SIVI-DAG: [[ADD_PTR_LO:%[0-9]+]]:sreg_32 = S_ADD_U32 [[PTR_LO]], [[K_SUB0]]
# SIVI-DAG: [[K_SUB1:%[0-9]+]]:sreg_32 = COPY [[K]].sub1
# SIVI-DAG: [[PTR_HI:%[0-9]+]]:sreg_32 = COPY [[PTR]].sub1
# SIVI: [[ADD_PTR_HI:%[0-9]+]]:sreg_32 = S_ADDC_U32 [[PTR_HI]], [[K_SUB1]]
# SIVI: [[ADD_PTR:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[ADD_PTR_LO]], %subreg.sub0, [[ADD_PTR_HI]], %subreg.sub1
# SIVI: S_LOAD_DWORD_IMM [[ADD_PTR]], 0, 0
# CI: S_LOAD_DWORD_IMM_ci [[PTR]], 1073741824, 0
# Pointer loads
# GCN: [[AS0:%[0-9]+]]:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0
# GCN: $sgpr0_sgpr1 = COPY [[AS0]]
# GCN: [[AS1:%[0-9]+]]:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0
# GCN: $sgpr0_sgpr1 = COPY [[AS1]]
# GCN: [[AS4:%[0-9]+]]:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0
# GCN: $sgpr0_sgpr1 = COPY [[AS4]]
body: |
bb.0:
liveins: $sgpr0_sgpr1
%0:sgpr(p4) = COPY $sgpr0_sgpr1
%1:sgpr(s64) = G_CONSTANT i64 4
%2:sgpr(p4) = G_PTR_ADD %0, %1
%3:sgpr(s32) = G_LOAD %2 :: (load (s32) from %ir.const0, addrspace 4)
$sgpr0 = COPY %3
%4:sgpr(s64) = G_CONSTANT i64 1020
%5:sgpr(p4) = G_PTR_ADD %0, %4
%6:sgpr(s32) = G_LOAD %5 :: (load (s32) from %ir.const0, addrspace 4)
$sgpr0 = COPY %6
%7:sgpr(s64) = G_CONSTANT i64 1024
%8:sgpr(p4) = G_PTR_ADD %0, %7
%9:sgpr(s32) = G_LOAD %8 :: (load (s32) from %ir.const0, addrspace 4)
$sgpr0 = COPY %9
%10:sgpr(s64) = G_CONSTANT i64 1048572
%11:sgpr(p4) = G_PTR_ADD %0, %10
%12:sgpr(s32) = G_LOAD %11 :: (load (s32) from %ir.const0, addrspace 4)
$sgpr0 = COPY %12
%13:sgpr(s64) = G_CONSTANT i64 1048576
%14:sgpr(p4) = G_PTR_ADD %0, %13
%15:sgpr(s32) = G_LOAD %14 :: (load (s32) from %ir.const0, addrspace 4)
$sgpr0 = COPY %15
%16:sgpr(s64) = G_CONSTANT i64 17179869180
%17:sgpr(p4) = G_PTR_ADD %0, %16
%18:sgpr(s32) = G_LOAD %17 :: (load (s32) from %ir.const0, addrspace 4)
$sgpr0 = COPY %18
%19:sgpr(s64) = G_CONSTANT i64 17179869184
%20:sgpr(p4) = G_PTR_ADD %0, %19
%21:sgpr(s32) = G_LOAD %20 :: (load (s32) from %ir.const0, addrspace 4)
$sgpr0 = COPY %21
%22:sgpr(s64) = G_CONSTANT i64 4294967292
%23:sgpr(p4) = G_PTR_ADD %0, %22
%24:sgpr(s32) = G_LOAD %23 :: (load (s32) from %ir.const0, addrspace 4)
$sgpr0 = COPY %24
%25:sgpr(s64) = G_CONSTANT i64 4294967296
%26:sgpr(p4) = G_PTR_ADD %0, %25
%27:sgpr(s32) = G_LOAD %26 :: (load (s32) from %ir.const0, addrspace 4)
$sgpr0 = COPY %27
%28:sgpr(p0) = G_LOAD %0 :: (load (p0) from %ir.const0, addrspace 4)
$sgpr0_sgpr1 = COPY %28
%29:sgpr(p1) = G_LOAD %0 :: (load (p1) from %ir.const0, addrspace 4)
$sgpr0_sgpr1 = COPY %29
%30:sgpr(p4) = G_LOAD %0 :: (load (p4) from %ir.const0, addrspace 4)
$sgpr0_sgpr1 = COPY %30
...
---
name: smrd_wide
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr2_vgpr3
%0:sgpr(p4) = COPY $sgpr0_sgpr1
%1:sgpr(p1) = COPY $sgpr2_sgpr3
; CHECK: [[CONSTANT_PTR:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
; CHECK: [[GLOBAL_PTR:%[0-9]+]]:sgpr(p1) = COPY $sgpr2_sgpr3
; CHECK: s_load_dwordx8 [[CONSTANT_PTR]]
%2:sgpr(<8 x s32>) = G_LOAD %0 :: (load (<8 x s32>), addrspace 4)
$sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7 = COPY %2
; CHECK: s_load_dwordx16 [[CONSTANT_PTR]]
%3:sgpr(<16 x s32>) = G_LOAD %0 :: (load (<16 x s32>), addrspace 4)
$sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY %3
; CHECK: s_load_dwordx8 [[GLOBAL_PTR]]
%4:sgpr(<8 x s32>) = G_LOAD %1 :: (load (<8 x s32>), addrspace 1)
$sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7 = COPY %4
; CHECK s_load_dwordx16 [[GLOBAL_PTR]]
%5:sgpr(<16 x s32>) = G_LOAD %1 :: (load (<16 x s32>), addrspace 1)
$sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY %5
...
# Test a load of an offset from a constant base address
# GCN-LABEL: name: constant_address_positive{{$}}
# GCN: %0:sreg_64 = S_MOV_B64 44
# VI: %3:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %0, 64, 0 :: (dereferenceable invariant load (s32), addrspace 4)
# SICI: %3:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %0, 16, 0 :: (dereferenceable invariant load (s32), addrspace 4)
---
name: constant_address_positive
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $vgpr2_vgpr3
%0:sgpr(p4) = G_CONSTANT i64 44
%1:sgpr(s64) = G_CONSTANT i64 64
%2:sgpr(p4) = G_PTR_ADD %0, %1
%3:sgpr(s32) = G_LOAD %2 :: (dereferenceable invariant load (s32), align 4, addrspace 4)
S_ENDPGM 0, implicit %3
...
---
# Test a load with a register offset.
# GCN-LABEL: name: smrd_sgpr{{$}}
# GCN: S_LOAD_DWORD_SGPR %0, %1, 0
name: smrd_sgpr
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $sgpr2
%0:sgpr(p4) = COPY $sgpr0_sgpr1
%1:sgpr(s32) = COPY $sgpr2
%2:sgpr(s64) = G_ZEXT %1:sgpr(s32)
%4:sgpr(p4) = G_PTR_ADD %0, %2
%5:sgpr(s32) = G_LOAD %4 :: (dereferenceable invariant load (s32), align 4, addrspace 4)
S_ENDPGM 0, implicit %5
...
---
# Test a load with a (register + immediate) offset.
# GCN-LABEL: name: smrd_sgpr_imm{{$}}
# GFX9-DAG: %[[BASE:.*]]:sreg_64 = COPY $sgpr0_sgpr1
# GFX9-DAG: %[[OFFSET:.*]]:sreg_32 = COPY $sgpr2
# GFX9: S_LOAD_DWORD_SGPR_IMM %[[BASE]], %[[OFFSET]], 16,
name: smrd_sgpr_imm
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $sgpr0_sgpr1, $sgpr2
%0:sgpr(p4) = COPY $sgpr0_sgpr1
%1:sgpr(s32) = COPY $sgpr2
%2:sgpr(s64) = G_ZEXT %1:sgpr(s32)
%4:sgpr(p4) = G_PTR_ADD %0, %2
%5:sgpr(s64) = G_CONSTANT i64 16
%6:sgpr(p4) = G_PTR_ADD %4, %5
%7:sgpr(s32) = G_LOAD %6 :: (dereferenceable invariant load (s32), align 4, addrspace 4)
S_ENDPGM 0, implicit %7
...
|
