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Showing content from https://github.com/microsoft/DirectXShaderCompiler/commit/47e11af022d4ed41ac87348f822ea8804b55523a below:

[spirv] Handles rvalue as implicit object argument of vk::BufferPoint… · microsoft/DirectXShaderCompiler@47e11af · GitHub

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 @@ -10932,6 +10932,12 @@ SpirvInstruction *SpirvEmitter::processIntrinsicGetBufferContents(

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 SpirvInstruction *bufferPointer = doExpr(obj);

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 if (!bufferPointer)

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 return nullptr;

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 if (bufferPointer->isRValue()) {

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 bufferPointer->setRValue(false);

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 bufferPointer->setStorageClass(spv::StorageClass::PhysicalStorageBuffer);

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 return bufferPointer;

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 }

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 unsigned align = hlsl::GetVKBufferPointerAlignment(obj->getType());

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 lowerTypeVisitor.visitInstruction(bufferPointer);

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 // RUN: %dxc -spirv -HV 202x -Od -T cs_6_9 %s | FileCheck %s

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 // Issue #7302: implicit object argument of Get() evaluates to rvalue

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 template<class T, class U>

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 [[vk::ext_instruction(/*spv::OpBitcast*/124)]]

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 T bitcast(U);

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 struct Content

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 {

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 int a;

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 };

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 // CHECK: [[INT:%[_0-9A-Za-z]*]] = OpTypeInt 32 1

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 // CHECK-DAG: [[I1:%[_0-9A-Za-z]*]] = OpConstant [[INT]] 1

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 // CHECK-DAG: [[IO:%[_0-9A-Za-z]*]] = OpConstant [[INT]] 0

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 // CHECK: [[UINT:%[_0-9A-Za-z]*]] = OpTypeInt 32 0

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 // CHECK-DAG: [[UDEADBEEF:%[_0-9A-Za-z]*]] = OpConstant [[UINT]] 3735928559

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 // CHECK-DAG: [[U0:%[_0-9A-Za-z]*]] = OpConstant [[UINT]] 0

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 // CHECK: [[V2UINT:%[_0-9A-Za-z]*]] = OpTypeVector [[UINT]] 2

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 // CHECK: [[VECTOR:%[_0-9A-Za-z]*]] = OpConstantComposite [[V2UINT]] [[UDEADBEEF]] [[U0]]

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 // CHECK: [[CONTENT:%[_0-9A-Za-z]*]] = OpTypeStruct [[INT]]

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 // CHECK: [[PPCONTENT:%[_0-9A-Za-z]*]] = OpTypePointer PhysicalStorageBuffer [[CONTENT]]

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 // CHECK: [[PPINT:%[_0-9A-Za-z]*]] = OpTypePointer PhysicalStorageBuffer [[INT]]

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 [numthreads(1, 1, 1)]

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 void main()

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 {

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 bitcast<vk::BufferPointer<Content> >(uint32_t2(0xdeadbeefu,0x0u)).Get().a = 1;

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 }

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 // CHECK: [[BITCAST:%[0-9]*]] = OpBitcast [[PPCONTENT]] [[VECTOR]]

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 // CHECK: [[PTR:%[0-9]*]] = OpAccessChain [[PPINT]] [[BITCAST]] [[IO]]

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 // CHECK: OpStore [[PTR]] [[I1]] Aligned 4

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