forked from OSchip/llvm-project
61 lines
3.2 KiB
LLVM
61 lines
3.2 KiB
LLVM
; Test that DAG->DAG ISel is able to pick up the S_LOAD_DWORDX4_SGPR instruction that fetches the offset
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; from a register.
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; RUN: llc -march=amdgcn -verify-machineinstrs -stop-after=amdgpu-isel -o - %s | FileCheck -check-prefix=GCN %s
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; GCN: %[[OFFSET:[0-9]+]]:sreg_32 = S_MOV_B32 target-flags(amdgpu-abs32-lo) @DescriptorBuffer
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; GCN: %{{[0-9]+}}:sgpr_128 = S_LOAD_DWORDX4_SGPR killed %{{[0-9]+}}, killed %[[OFFSET]], 0, 0 :: (invariant load 16 from %ir.13, addrspace 4)
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define amdgpu_cs void @test_load_zext(i32 inreg %0, i32 inreg %1, i32 inreg %resNode0, i32 inreg %resNode1, <3 x i32> inreg %2, i32 inreg %3, <3 x i32> %4) local_unnamed_addr #2 {
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.entry:
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%5 = call i64 @llvm.amdgcn.s.getpc() #3
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%6 = bitcast i64 %5 to <2 x i32>
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%7 = insertelement <2 x i32> %6, i32 %resNode0, i32 0
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%8 = bitcast <2 x i32> %7 to i64
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%9 = inttoptr i64 %8 to [4294967295 x i8] addrspace(4)*
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%10 = call i32 @llvm.amdgcn.reloc.constant(metadata !4)
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%11 = zext i32 %10 to i64
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%12 = getelementptr [4294967295 x i8], [4294967295 x i8] addrspace(4)* %9, i64 0, i64 %11
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%13 = bitcast i8 addrspace(4)* %12 to <4 x i32> addrspace(4)*, !amdgpu.uniform !5
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%14 = load <4 x i32>, <4 x i32> addrspace(4)* %13, align 16, !invariant.load !5
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%15 = call <4 x i32> @llvm.amdgcn.s.buffer.load.v4i32(<4 x i32> %14, i32 0, i32 0)
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call void @llvm.amdgcn.raw.buffer.store.v4i32(<4 x i32> %15, <4 x i32> %14, i32 0, i32 0, i32 0)
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ret void
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}
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declare void @llvm.amdgcn.raw.buffer.store.v4i32(<4 x i32>, <4 x i32>, i32, i32, i32 immarg) #1
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; Function Attrs: nounwind readnone speculatable
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declare i32 @llvm.amdgcn.reloc.constant(metadata) #3
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; Function Attrs: nounwind readnone speculatable
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declare i64 @llvm.amdgcn.s.getpc() #3
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; Function Attrs: nounwind readnone
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declare <4 x i32> @llvm.amdgcn.s.buffer.load.v4i32(<4 x i32>, i32, i32 immarg) #1
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attributes #0 = { argmemonly nounwind willreturn }
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind "amdgpu-unroll-threshold"="700" }
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attributes #3 = { nounwind readnone speculatable }
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attributes #4 = { nounwind writeonly }
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!llpc.compute.mode = !{!0}
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!llpc.options = !{!1}
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!llpc.options.CS = !{!2}
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!llpc.user.data.nodes = !{!3, !4, !5, !6}
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!amdgpu.pal.metadata.msgpack = !{!7}
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!0 = !{i32 2, i32 3, i32 1}
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!1 = !{i32 245227952, i32 996822128, i32 2024708198, i32 497230408}
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!2 = !{i32 1381820427, i32 1742110173, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 64}
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!3 = !{!"DescriptorTableVaPtr", i32 0, i32 1, i32 1}
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!4 = !{!"DescriptorBuffer", i32 4, i32 8, i32 0, i32 0}
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!5 = !{!"DescriptorTableVaPtr", i32 1, i32 1, i32 1}
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!6 = !{!"DescriptorBuffer", i32 4, i32 8, i32 1, i32 0}
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!7 = !{!"\82\B0amdpal.pipelines\91\88\A4.api\A6Vulkan\B0.hardware_stages\81\A3.cs\82\AB.sgpr_limith\AB.vgpr_limit\CD\01\00\B7.internal_pipeline_hash\92\CF;jLp\0E\9D\E1\B0\CF\1D\A3\22Hx\AE\98f\AA.registers\88\CD.\07\02\CD.\08\03\CD.\09\01\CD.\12\CE\00,\00\00\CD.\13\CD\0F\88\CD.@\CE\10\00\00\00\CD.B\00\CD.C\01\A8.shaders\81\A8.compute\82\B0.api_shader_hash\92\CFg\D6}\DDR\\\E8\0B\00\B1.hardware_mapping\91\A3.cs\B0.spill_threshold\CE\FF\FF\FF\FF\A5.type\A2Cs\B0.user_data_limit\02\AEamdpal.version\92\02\03"}
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!8 = !{i32 5}
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!9 = !{!"doff_0_0_b"}
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!10 = !{}
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!11 = !{!"doff_1_0_b"}
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