756fe54dc7
This commit adds an intrinsic that will write to an image buffer. We chose to match the name of the DXIL intrinsic for simplicity in clang. We cannot reuse the existing openCL write_image function because that is not a reserved name in HLSL. There is not much common code to factor out.
37 lines
1.8 KiB
LLVM
37 lines
1.8 KiB
LLVM
; RUN: llc -O3 -verify-machineinstrs -mtriple=spirv-vulkan-library %s -o - | FileCheck %s
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-vulkan-library %s -o - -filetype=obj | spirv-val %}
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; CHECK-NOT: OpCapability StorageImageReadWithoutFormat
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; CHECK-DAG: OpDecorate [[IntBufferVar:%[0-9]+]] DescriptorSet 16
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; CHECK-DAG: OpDecorate [[IntBufferVar]] Binding 7
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; CHECK-DAG: [[int:%[0-9]+]] = OpTypeInt 32 0
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; CHECK-DAG: [[zero:%[0-9]+]] = OpConstant [[int]] 0
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; CHECK-DAG: [[v4_int:%[0-9]+]] = OpTypeVector [[int]] 4
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; CHECK-DAG: [[RWBufferTypeInt:%[0-9]+]] = OpTypeImage [[int]] Buffer 2 0 0 2 R32i {{$}}
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; CHECK-DAG: [[IntBufferPtrType:%[0-9]+]] = OpTypePointer UniformConstant [[RWBufferTypeInt]]
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; CHECK-DAG: [[IntBufferVar]] = OpVariable [[IntBufferPtrType]] UniformConstant
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; CHECK: {{%[0-9]+}} = OpFunction {{%[0-9]+}} DontInline {{%[0-9]+}}
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declare <4 x i32> @get_data() #1
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; CHECK: {{%[0-9]+}} = OpFunction {{%[0-9]+}} DontInline {{%[0-9]+}}
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; CHECK-NEXT: OpLabel
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define void @RWBufferStore_Vec4_I32() #0 {
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; CHECK: [[buffer:%[0-9]+]] = OpLoad [[RWBufferTypeInt]] [[IntBufferVar]]
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%buffer0 = call target("spirv.Image", i32, 5, 2, 0, 0, 2, 24)
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@llvm.spv.handle.fromBinding.tspirv.Image_i32_5_2_0_0_2_24(
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i32 16, i32 7, i32 1, i32 0, i1 false)
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; CHECK: [[data:%[0-9]+]] = OpFunctionCall
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%data = call <4 x i32> @get_data()
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; CHECK: OpImageWrite [[buffer]] [[zero]] [[data]]
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call void @llvm.spv.typedBufferStore(target("spirv.Image", i32, 5, 2, 0, 0, 2, 24) %buffer0, i32 0, <4 x i32> %data)
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ret void
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}
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attributes #0 = { convergent noinline norecurse "frame-pointer"="all" "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }
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attributes #1 = { convergent noinline norecurse "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } |