derek.holloway
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52 lines
3.7 KiB
HLSL
52 lines
3.7 KiB
HLSL
// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-compute -emit-llvm -o - -O0 %s | FileCheck %s -check-prefixes=DXIL,CHECK
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// RUN: %clang_cc1 -triple spirv-unknown-vulkan1.3-compute -emit-llvm -o - -O0 %s | FileCheck %s -check-prefixes=SPV,CHECK
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struct S {
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float f;
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};
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StructuredBuffer<int> In;
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RWStructuredBuffer<int> Out1;
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RWStructuredBuffer<S> RWSB3;
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#ifndef __SPIRV__
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// RasterizerOrderedStructuredBuffer are not implement in SPIR-V yet.
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RasterizerOrderedStructuredBuffer<int> Out2;
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#endif
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[numthreads(1,1,1)]
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void main(unsigned GI : SV_GroupIndex) {
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// CHECK: define void @main()
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// DXIL: %[[INPTR:.*]] = call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_0_0t.i32(target("dx.RawBuffer", i32, 0, 0) %{{.*}}, i32 %{{.*}})
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// SPV: %[[INPTR:.*]] = call noundef align 4 dereferenceable(4) ptr addrspace(11) @llvm.spv.resource.getpointer.p11.tspirv.VulkanBuffer_a0i32_12_0t.i32(target("spirv.VulkanBuffer", [0 x i32], 12, 0) %{{.*}}, i32 %{{.*}})
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// CHECK: %[[LOAD:.*]] = load i32, ptr {{.*}}%[[INPTR]]
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// DXIL: %[[OUT1PTR:.*]] = call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_0t.i32(target("dx.RawBuffer", i32, 1, 0) %{{.*}}, i32 %{{.*}})
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// SPV: %[[OUT1PTR:.*]] = call noundef align 4 dereferenceable(4) ptr addrspace(11) @llvm.spv.resource.getpointer.p11.tspirv.VulkanBuffer_a0i32_12_1t.i32(target("spirv.VulkanBuffer", [0 x i32], 12, 1) %{{.*}}, i32 %{{.*}})
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// CHECK: store i32 %[[LOAD]], ptr {{.*}}%[[OUT1PTR]]
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Out1[GI] = In[GI];
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#ifndef __SPIRV__
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// DXIL: %[[INPTR:.*]] = call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_0_0t.i32(target("dx.RawBuffer", i32, 0, 0) %{{.*}}, i32 %{{.*}})
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// DXIL: %[[LOAD:.*]] = load i32, ptr %[[INPTR]]
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// DXIL: %[[OUT2PTR:.*]] = call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_1t.i32(target("dx.RawBuffer", i32, 1, 1) %{{.*}}, i32 %{{.*}})
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// DXIL: store i32 %[[LOAD]], ptr %[[OUT2PTR]]
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Out2[GI] = In[GI];
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#endif
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// For SPIR-V, the addrspacecast comes from `S::operator=` member function, which expects
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// parameters in address space 0. This is why hlsl_device is a sub address
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// space of the default address space.
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// SPV: %[[INPTR:.*]] = call noundef align 1 dereferenceable(4) ptr addrspace(11) @llvm.spv.resource.getpointer.p11.tspirv.VulkanBuffer_a0s_struct.Ss_12_1t.i32(target("spirv.VulkanBuffer", [0 x %struct.S], 12, 1) %{{.*}}, i32 %{{.*}})
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// SPV: %[[INCAST:.*]] = addrspacecast ptr addrspace(11) %[[INPTR]] to ptr
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// SPV: %[[OUTPTR:.*]] = call noundef align 1 dereferenceable(4) ptr addrspace(11) @llvm.spv.resource.getpointer.p11.tspirv.VulkanBuffer_a0s_struct.Ss_12_1t.i32(target("spirv.VulkanBuffer", [0 x %struct.S], 12, 1) %{{.*}}, i32 %{{.*}})
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// SPV: %[[OUTCAST:.*]] = addrspacecast ptr addrspace(11) %[[OUTPTR]] to ptr
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// SPV: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %[[OUTCAST]], ptr align 1 %[[INCAST]], i64 4, i1 false)
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// For DXIL, hlsl_device and the default address space map to the same target address space. No need for an address space cast.
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// DXIL: %[[INPTR:.*]] = call noundef nonnull align 1 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_s_struct.Ss_1_0t.i32(target("dx.RawBuffer", %struct.S, 1, 0) %{{.*}}, i32 %{{.*}})
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// DXIL: %[[OUTPTR:.*]] = call noundef nonnull align 1 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_s_struct.Ss_1_0t.i32(target("dx.RawBuffer", %struct.S, 1, 0) %{{.*}}, i32 %{{.*}})
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// DXIL: call void @llvm.memcpy.p0.p0.i32(ptr align 1 %[[OUTPTR]], ptr align 1 %[[INPTR]], i32 4, i1 false)
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RWSB3[0] = RWSB3[1];
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}
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