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clang-p2996/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.ptr.buffer.load.format.ll
pvanhout c3cfbbc416 [GlobalISel] Add dead flags to implicit defs in ISel 
Checks for implicit defs that are unused within a pattern and mark them as dead.

This is done directly at the TableGen level forr efficiency.
The instructions are directly created with the "dead" operand and no further analysis is needed later.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D157273
2023-08-09 14:20:51 +02:00

185 lines
13 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -stop-after=instruction-select -verify-machineinstrs -o - %s | FileCheck %s
; Natural mapping
define amdgpu_ps float @raw_ptr_buffer_load_format_f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset(ptr addrspace(8) inreg %rsrc, i32 %voffset, i32 inreg %soffset) {
; CHECK-LABEL: name: raw_ptr_buffer_load_format_f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
; CHECK-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
; CHECK-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
; CHECK-NEXT: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
; CHECK-NEXT: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; CHECK-NEXT: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr6
; CHECK-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
; CHECK-NEXT: [[BUFFER_LOAD_FORMAT_X_OFFEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_FORMAT_X_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[COPY5]], 0, 0, 0, implicit $exec :: (dereferenceable load (s32) from %ir.rsrc, align 1, addrspace 8)
; CHECK-NEXT: $vgpr0 = COPY [[BUFFER_LOAD_FORMAT_X_OFFEN]]
; CHECK-NEXT: SI_RETURN_TO_EPILOG implicit $vgpr0
%val = call float @llvm.amdgcn.raw.ptr.buffer.load.format.f32(ptr addrspace(8) %rsrc, i32 %voffset, i32 %soffset, i32 0)
ret float %val
}
define amdgpu_ps <2 x float> @raw_ptr_buffer_load_format_v2f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset(ptr addrspace(8) inreg %rsrc, i32 %voffset, i32 inreg %soffset) {
; CHECK-LABEL: name: raw_ptr_buffer_load_format_v2f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
; CHECK-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
; CHECK-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
; CHECK-NEXT: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
; CHECK-NEXT: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; CHECK-NEXT: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr6
; CHECK-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
; CHECK-NEXT: [[BUFFER_LOAD_FORMAT_XY_OFFEN:%[0-9]+]]:vreg_64 = BUFFER_LOAD_FORMAT_XY_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[COPY5]], 0, 0, 0, implicit $exec :: (dereferenceable load (<2 x s32>) from %ir.rsrc, align 1, addrspace 8)
; CHECK-NEXT: [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XY_OFFEN]].sub0
; CHECK-NEXT: [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XY_OFFEN]].sub1
; CHECK-NEXT: $vgpr0 = COPY [[COPY6]]
; CHECK-NEXT: $vgpr1 = COPY [[COPY7]]
; CHECK-NEXT: SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1
%val = call <2 x float> @llvm.amdgcn.raw.ptr.buffer.load.format.v2f32(ptr addrspace(8) %rsrc, i32 %voffset, i32 %soffset, i32 0)
ret <2 x float> %val
}
define amdgpu_ps <3 x float> @raw_ptr_buffer_load_format_v3f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset(ptr addrspace(8) inreg %rsrc, i32 %voffset, i32 inreg %soffset) {
; CHECK-LABEL: name: raw_ptr_buffer_load_format_v3f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
; CHECK-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
; CHECK-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
; CHECK-NEXT: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
; CHECK-NEXT: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; CHECK-NEXT: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr6
; CHECK-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
; CHECK-NEXT: [[BUFFER_LOAD_FORMAT_XYZ_OFFEN:%[0-9]+]]:vreg_96 = BUFFER_LOAD_FORMAT_XYZ_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[COPY5]], 0, 0, 0, implicit $exec :: (dereferenceable load (<3 x s32>) from %ir.rsrc, align 1, addrspace 8)
; CHECK-NEXT: [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZ_OFFEN]].sub0
; CHECK-NEXT: [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZ_OFFEN]].sub1
; CHECK-NEXT: [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZ_OFFEN]].sub2
; CHECK-NEXT: $vgpr0 = COPY [[COPY6]]
; CHECK-NEXT: $vgpr1 = COPY [[COPY7]]
; CHECK-NEXT: $vgpr2 = COPY [[COPY8]]
; CHECK-NEXT: SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1, implicit $vgpr2
%val = call <3 x float> @llvm.amdgcn.raw.ptr.buffer.load.format.v3f32(ptr addrspace(8) %rsrc, i32 %voffset, i32 %soffset, i32 0)
ret <3 x float> %val
}
define amdgpu_ps <4 x float> @raw_ptr_buffer_load_format_v4f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset(ptr addrspace(8) inreg %rsrc, i32 %voffset, i32 inreg %soffset) {
; CHECK-LABEL: name: raw_ptr_buffer_load_format_v4f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
; CHECK-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
; CHECK-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
; CHECK-NEXT: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
; CHECK-NEXT: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; CHECK-NEXT: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr6
; CHECK-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
; CHECK-NEXT: [[BUFFER_LOAD_FORMAT_XYZW_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_FORMAT_XYZW_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[COPY5]], 0, 0, 0, implicit $exec :: (dereferenceable load (<4 x s32>) from %ir.rsrc, align 1, addrspace 8)
; CHECK-NEXT: [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_OFFEN]].sub0
; CHECK-NEXT: [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_OFFEN]].sub1
; CHECK-NEXT: [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_OFFEN]].sub2
; CHECK-NEXT: [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_OFFEN]].sub3
; CHECK-NEXT: $vgpr0 = COPY [[COPY6]]
; CHECK-NEXT: $vgpr1 = COPY [[COPY7]]
; CHECK-NEXT: $vgpr2 = COPY [[COPY8]]
; CHECK-NEXT: $vgpr3 = COPY [[COPY9]]
; CHECK-NEXT: SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1, implicit $vgpr2, implicit $vgpr3
%val = call <4 x float> @llvm.amdgcn.raw.ptr.buffer.load.format.v4f32(ptr addrspace(8) %rsrc, i32 %voffset, i32 %soffset, i32 0)
ret <4 x float> %val
}
; Waterfall for rsrc and soffset, copy for voffset
define amdgpu_ps float @raw_ptr_buffer_load_format_f32__vgpr_rsrc__sgpr_voffset__vgpr_soffset(ptr addrspace(8) %rsrc, i32 inreg %voffset, i32 %soffset) {
; CHECK-LABEL: name: raw_ptr_buffer_load_format_f32__vgpr_rsrc__sgpr_voffset__vgpr_soffset
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: liveins: $sgpr2, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
; CHECK-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
; CHECK-NEXT: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr3
; CHECK-NEXT: [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr2
; CHECK-NEXT: [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr4
; CHECK-NEXT: [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
; CHECK-NEXT: [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[COPY4]]
; CHECK-NEXT: [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: successors: %bb.3(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32 = V_READFIRSTLANE_B32 [[COPY]], implicit $exec
; CHECK-NEXT: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32 = V_READFIRSTLANE_B32 [[COPY1]], implicit $exec
; CHECK-NEXT: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32 = V_READFIRSTLANE_B32 [[COPY2]], implicit $exec
; CHECK-NEXT: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32 = V_READFIRSTLANE_B32 [[COPY3]], implicit $exec
; CHECK-NEXT: [[REG_SEQUENCE1:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
; CHECK-NEXT: [[COPY7:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub0_sub1
; CHECK-NEXT: [[COPY8:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub2_sub3
; CHECK-NEXT: [[COPY9:%[0-9]+]]:sreg_64 = COPY [[REG_SEQUENCE1]].sub0_sub1
; CHECK-NEXT: [[COPY10:%[0-9]+]]:sreg_64 = COPY [[REG_SEQUENCE1]].sub2_sub3
; CHECK-NEXT: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[COPY9]], [[COPY7]], implicit $exec
; CHECK-NEXT: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[COPY10]], [[COPY8]], implicit $exec
; CHECK-NEXT: [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_]], [[V_CMP_EQ_U64_e64_1]], implicit-def dead $scc
; CHECK-NEXT: [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32 = V_READFIRSTLANE_B32 [[COPY5]], implicit $exec
; CHECK-NEXT: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]], [[COPY5]], implicit $exec
; CHECK-NEXT: [[S_AND_B64_1:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[S_AND_B64_]], [[V_CMP_EQ_U32_e64_]], implicit-def dead $scc
; CHECK-NEXT: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_1]], implicit-def $exec, implicit-def $scc, implicit $exec
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[BUFFER_LOAD_FORMAT_X_OFFEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_FORMAT_X_OFFEN [[COPY6]], [[REG_SEQUENCE1]], [[V_READFIRSTLANE_B32_4]], 0, 0, 0, implicit $exec :: (dereferenceable load (s32) from %ir.rsrc, align 1, addrspace 8)
; CHECK-NEXT: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
; CHECK-NEXT: SI_WATERFALL_LOOP %bb.2, implicit $exec
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: successors: %bb.5(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: $exec = S_MOV_B64_term [[S_MOV_B64_]]
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.5:
; CHECK-NEXT: $vgpr0 = COPY [[BUFFER_LOAD_FORMAT_X_OFFEN]]
; CHECK-NEXT: SI_RETURN_TO_EPILOG implicit $vgpr0
%val = call float @llvm.amdgcn.raw.ptr.buffer.load.format.f32(ptr addrspace(8) %rsrc, i32 %voffset, i32 %soffset, i32 0)
ret float %val
}
define amdgpu_ps <4 x float> @raw_ptr_buffer_load_format_v4f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset_voffset_add_4095(ptr addrspace(8) inreg %rsrc, i32 %voffset.base, i32 inreg %soffset) {
; CHECK-LABEL: name: raw_ptr_buffer_load_format_v4f32__sgpr_rsrc__vgpr_voffset__sgpr_soffset_voffset_add_4095
; CHECK: bb.1 (%ir-block.0):
; CHECK-NEXT: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
; CHECK-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
; CHECK-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
; CHECK-NEXT: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
; CHECK-NEXT: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; CHECK-NEXT: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr6
; CHECK-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
; CHECK-NEXT: [[BUFFER_LOAD_FORMAT_XYZW_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_FORMAT_XYZW_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[COPY5]], 4095, 0, 0, implicit $exec :: (dereferenceable load (<4 x s32>) from %ir.rsrc, align 1, addrspace 8)
; CHECK-NEXT: [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_OFFEN]].sub0
; CHECK-NEXT: [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_OFFEN]].sub1
; CHECK-NEXT: [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_OFFEN]].sub2
; CHECK-NEXT: [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_OFFEN]].sub3
; CHECK-NEXT: $vgpr0 = COPY [[COPY6]]
; CHECK-NEXT: $vgpr1 = COPY [[COPY7]]
; CHECK-NEXT: $vgpr2 = COPY [[COPY8]]
; CHECK-NEXT: $vgpr3 = COPY [[COPY9]]
; CHECK-NEXT: SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1, implicit $vgpr2, implicit $vgpr3
%voffset = add i32 %voffset.base, 4095
%val = call <4 x float> @llvm.amdgcn.raw.ptr.buffer.load.format.v4f32(ptr addrspace(8) %rsrc, i32 %voffset, i32 %soffset, i32 0)
ret <4 x float> %val
}
declare float @llvm.amdgcn.raw.ptr.buffer.load.format.f32(ptr addrspace(8), i32, i32, i32 immarg) #0
declare <2 x float> @llvm.amdgcn.raw.ptr.buffer.load.format.v2f32(ptr addrspace(8), i32, i32, i32 immarg) #0
declare <3 x float> @llvm.amdgcn.raw.ptr.buffer.load.format.v3f32(ptr addrspace(8), i32, i32, i32 immarg) #0
declare <4 x float> @llvm.amdgcn.raw.ptr.buffer.load.format.v4f32(ptr addrspace(8), i32, i32, i32 immarg) #0
attributes #0 = { nounwind readonly }
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