derek.holloway
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48 lines
1.5 KiB
MLIR
48 lines
1.5 KiB
MLIR
// RUN: mlir-opt --split-input-file --convert-gpu-to-spirv %s -o - | FileCheck %s
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// -----
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module attributes {
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gpu.container_module,
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spirv.target_env = #spirv.target_env<#spirv.vce<v1.3, [Shader, GroupNonUniformBallot], []>, #spirv.resource_limits<>>
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} {
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gpu.module @kernels {
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// CHECK-LABEL: spirv.func @broadcast_specific_lane()
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gpu.func @broadcast_specific_lane() kernel
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attributes {spirv.entry_point_abi = #spirv.entry_point_abi<workgroup_size = [16, 1, 1]>} {
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%lane = arith.constant 0 : i32
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%val = arith.constant 42.0 : f32
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// CHECK: %[[LANE:.+]] = spirv.Constant 0 : i32
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// CHECK: %[[VAL:.+]] = spirv.Constant 4.200000e+01 : f32
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// CHECK: %{{.+}} = spirv.GroupNonUniformBroadcast <Subgroup> %[[VAL]], %[[LANE]] : f32, i32
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%result = gpu.subgroup_broadcast %val, specific_lane %lane : f32
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gpu.return
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}
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}
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}
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// -----
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module attributes {
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gpu.container_module,
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spirv.target_env = #spirv.target_env<#spirv.vce<v1.3, [Shader, GroupNonUniformBallot], []>, #spirv.resource_limits<>>
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} {
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gpu.module @kernels {
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// CHECK-LABEL: spirv.func @broadcast_first_active_lane()
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gpu.func @broadcast_first_active_lane() kernel
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attributes {spirv.entry_point_abi = #spirv.entry_point_abi<workgroup_size = [16, 1, 1]>} {
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%val = arith.constant 42.0 : f32
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// CHECK: %[[VAL:.+]] = spirv.Constant 4.200000e+01 : f32
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// CHECK: %{{.+}} = spirv.GroupNonUniformBroadcastFirst <Subgroup> %[[VAL]] : f32
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%result = gpu.subgroup_broadcast %val, first_active_lane : f32
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gpu.return
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}
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}
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}
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