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[mlir][spirv]: Add Image to Vulkan Storage Class Map #144899

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Merged
merged 1 commit into from
Jun 23, 2025
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[mlir][spirv]: Add Image to Vulkan Storage Class Map #144899

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3 changes: 2 additions & 1 deletion mlir/lib/Conversion/MemRefToSPIRV/MapMemRefStorageClassPass.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,8 @@ using namespace mlir;
MAP_FN(spirv::StorageClass::UniformConstant, 8) \
MAP_FN(spirv::StorageClass::Input, 9) \
MAP_FN(spirv::StorageClass::Output, 10) \
MAP_FN(spirv::StorageClass::PhysicalStorageBuffer, 11)
MAP_FN(spirv::StorageClass::PhysicalStorageBuffer, 11) \
MAP_FN(spirv::StorageClass::Image, 12)

std::optional<spirv::StorageClass>
spirv::mapMemorySpaceToVulkanStorageClass(Attribute memorySpaceAttr) {
Expand Down
27 changes: 27 additions & 0 deletions mlir/test/Conversion/MemRefToSPIRV/map-storage-class-vk.mlir
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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
// RUN: mlir-opt --allow-unregistered-dialect --map-memref-spirv-storage-class='client-api=vulkan' %s | FileCheck %s

// Vulkan Specific Mappings:
// 8 -> UniformConstant
// 9 -> Input
// 10 -> Output
// 11 -> PhysicalStorageBuffer
// 12 -> Image

/// Check that Vulkan specific memory space indices get converted into the correct
/// SPIR-V storage class. If mappings to OpenCL address spaces are added for these
/// indices then those test case should be moved into the common test file.

// CHECK-LABEL: func @test_vk_specific_memory_spaces
func.func @test_vk_specific_memory_spaces() {
// CHECK: memref<4xi32, #spirv.storage_class<UniformConstant>>
%1 = "dialect.memref_producer"() : () -> (memref<4xi32, 8>)
// CHECK: memref<4xi32, #spirv.storage_class<Input>>
%2 = "dialect.memref_producer"() : () -> (memref<4xi32, 9>)
// CHECK: memref<4xi32, #spirv.storage_class<Output>>
%3 = "dialect.memref_producer"() : () -> (memref<4xi32, 10>)
// CHECK: memref<4xi32, #spirv.storage_class<PhysicalStorageBuffer>>
%4 = "dialect.memref_producer"() : () -> (memref<4xi32, 11>)
// CHECK: memref<4xi32, #spirv.storage_class<Image>>
%5 = "dialect.memref_producer"() : () -> (memref<4xi32, 12>)
return
}
32 changes: 31 additions & 1 deletion mlir/test/Conversion/MemRefToSPIRV/map-storage-class.mlir
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Original file line number Diff line number Diff line change
@@ -1,19 +1,31 @@
// RUN: mlir-opt -split-input-file -allow-unregistered-dialect -map-memref-spirv-storage-class='client-api=vulkan' -verify-diagnostics %s -o - | FileCheck %s --check-prefix=VULKAN
// RUN: mlir-opt -split-input-file -allow-unregistered-dialect -map-memref-spirv-storage-class='client-api=opencl' -verify-diagnostics %s -o - | FileCheck %s --check-prefix=OPENCL
// RUN: mlir-opt -split-input-file -allow-unregistered-dialect -map-memref-spirv-storage-class -verify-diagnostics %s -o - | FileCheck %s

// Vulkan Mappings:
// 0 -> StorageBuffer
// 1 -> Generic
// 2 -> [null]
// 3 -> Workgroup
// 4 -> Uniform
// 5 -> Private
// 6 -> Function
// 7 -> PushConstant
// 8 -> UniformConstant
// 9 -> Input
// 10 -> Output
// 11 -> PhysicalStorageBuffer
// 12 -> Image

// OpenCL Mappings:
// 0 -> CrossWorkgroup
// 1 -> Generic
// 2 -> [null]
// 3 -> Workgroup
// 4 -> UniformConstant
// 5 -> Private
// 6 -> Function
// 7 -> Image

// VULKAN-LABEL: func @operand_result
// OPENCL-LABEL: func @operand_result
Expand All @@ -30,6 +42,15 @@ func.func @operand_result() {
// VULKAN: memref<*xf16, #spirv.storage_class<Uniform>>
// OPENCL: memref<*xf16, #spirv.storage_class<UniformConstant>>
%3 = "dialect.memref_producer"() : () -> (memref<*xf16, 4>)
// VULKAN: memref<*xf16, #spirv.storage_class<Private>>
// OPENCL: memref<*xf16, #spirv.storage_class<Private>>
%4 = "dialect.memref_producer"() : () -> (memref<*xf16, 5>)
// VULKAN: memref<*xf16, #spirv.storage_class<Function>>
// OPENCL: memref<*xf16, #spirv.storage_class<Function>>
%5 = "dialect.memref_producer"() : () -> (memref<*xf16, 6>)
// VULKAN: memref<*xf16, #spirv.storage_class<PushConstant>>
// OPENCL: memref<*xf16, #spirv.storage_class<Image>>
%6 = "dialect.memref_producer"() : () -> (memref<*xf16, 7>)


"dialect.memref_consumer"(%0) : (memref<f32>) -> ()
Expand All @@ -42,6 +63,15 @@ func.func @operand_result() {
// VULKAN: memref<*xf16, #spirv.storage_class<Uniform>>
// OPENCL: memref<*xf16, #spirv.storage_class<UniformConstant>>
"dialect.memref_consumer"(%3) : (memref<*xf16, 4>) -> ()
// VULKAN: memref<*xf16, #spirv.storage_class<Private>>
// OPENCL: memref<*xf16, #spirv.storage_class<Private>>
"dialect.memref_consumer"(%4) : (memref<*xf16, 5>) -> ()
// VULKAN: memref<*xf16, #spirv.storage_class<Function>>
// OPENCL: memref<*xf16, #spirv.storage_class<Function>>
"dialect.memref_consumer"(%5) : (memref<*xf16, 6>) -> ()
// VULKAN: memref<*xf16, #spirv.storage_class<PushConstant>>
// OPENCL: memref<*xf16, #spirv.storage_class<Image>>
"dialect.memref_consumer"(%6) : (memref<*xf16, 7>) -> ()

return
}
Expand Down Expand Up @@ -166,4 +196,4 @@ func.func @operand_result() {
"dialect.memref_consumer"(%3) : (memref<*xf16, 4>) -> ()
return
}
}
}