52ca149931
This commit extends the `ResourceLimitsAttr` to support specifying a minimal and maximal subgroup size, and extends `EntryPointABIAttr` to support specifying the requested subgroup size. This is possible now in Vulkan with the VK_EXT_subgroup_size_control extension. For OpenCL it's possible to use the `SubgroupSize` execution mode directly. Reviewed By: ThomasRaoux Differential Revision: https://reviews.llvm.org/D138962
34 lines
1.7 KiB
MLIR
34 lines
1.7 KiB
MLIR
// RUN: mlir-opt -split-input-file -spirv-lower-abi-attrs %s | FileCheck %s
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module attributes {
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spirv.target_env = #spirv.target_env<
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#spirv.vce<v1.0, [Shader], [SPV_KHR_storage_buffer_storage_class]>, #spirv.resource_limits<>>
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} {
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// CHECK-LABEL: spirv.module
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spirv.module Logical GLSL450 {
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// CHECK-DAG: spirv.GlobalVariable [[VAR0:@.*]] bind(0, 0) : !spirv.ptr<!spirv.struct<(f32 [0])>, StorageBuffer>
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// CHECK-DAG: spirv.GlobalVariable [[VAR1:@.*]] bind(0, 1) : !spirv.ptr<!spirv.struct<(!spirv.array<12 x f32, stride=4> [0])>, StorageBuffer>
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// CHECK: spirv.func [[FN:@.*]]()
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// We cannot generate SubgroupSize execution mode for Shader capability -- leave it alone.
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// CHECK-SAME: #spirv.entry_point_abi<subgroup_size = 64>
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spirv.func @kernel(
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%arg0: f32
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{spirv.interface_var_abi = #spirv.interface_var_abi<(0, 0), StorageBuffer>},
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%arg1: !spirv.ptr<!spirv.struct<(!spirv.array<12 x f32>)>, StorageBuffer>
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{spirv.interface_var_abi = #spirv.interface_var_abi<(0, 1)>}) "None"
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attributes {spirv.entry_point_abi = #spirv.entry_point_abi<workgroup_size = [32, 1, 1], subgroup_size = 64>} {
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// CHECK: [[ARG1:%.*]] = spirv.mlir.addressof [[VAR1]]
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// CHECK: [[ADDRESSARG0:%.*]] = spirv.mlir.addressof [[VAR0]]
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// CHECK: [[CONST0:%.*]] = spirv.Constant 0 : i32
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// CHECK: [[ARG0PTR:%.*]] = spirv.AccessChain [[ADDRESSARG0]]{{\[}}[[CONST0]]
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// CHECK: [[ARG0:%.*]] = spirv.Load "StorageBuffer" [[ARG0PTR]]
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// CHECK: spirv.Return
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spirv.Return
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}
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// CHECK: spirv.EntryPoint "GLCompute" [[FN]]
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// CHECK: spirv.ExecutionMode [[FN]] "LocalSize", 32, 1, 1
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} // end spirv.module
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} // end module
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