forked from OSchip/llvm-project
[MLIR][SPIRV] Support two memory access attributes in OpCopyMemory.
This commit augments spv.CopyMemory's implementation to support 2 memory access operands. Hence, more closely following the spec. The following changes are introduces: - Customize logic for spv.CopyMemory serialization and deserialization. - Add 2 additional attributes for source memory access operand. Reviewed By: antiagainst Differential Revision: https://reviews.llvm.org/D83241
This commit is contained in:
ergawy
Lei Zhang
parent
ce22527c0c
commit
3847a6ae75
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@ -198,7 +198,7 @@ def SPV_CopyMemoryOp : SPV_Op<"CopyMemory", []> {
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```
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copy-memory-op ::= `spv.CopyMemory ` storage-class ssa-use
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storage-class ssa-use
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(`[` memory-access `]`)?
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(`[` memory-access `]` (`, [` memory-access `]`)?)?
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` : ` spirv-element-type
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```
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@ -215,12 +215,16 @@ def SPV_CopyMemoryOp : SPV_Op<"CopyMemory", []> {
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SPV_AnyPtr:$target,
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SPV_AnyPtr:$source,
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OptionalAttr<SPV_MemoryAccessAttr>:$memory_access,
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OptionalAttr<I32Attr>:$alignment
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OptionalAttr<I32Attr>:$alignment,
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OptionalAttr<SPV_MemoryAccessAttr>:$source_memory_access,
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OptionalAttr<I32Attr>:$source_alignment
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);
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let results = (outs);
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let verifier = [{ return verifyCopyMemory(*this); }];
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let autogenSerialization = 0;
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}
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// -----
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@ -28,7 +28,11 @@
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using namespace mlir;
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// TODO: generate these strings using ODS.
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static constexpr const char kMemoryAccessAttrName[] = "memory_access";
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static constexpr const char kSourceMemoryAccessAttrName[] =
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"source_memory_access";
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static constexpr const char kAlignmentAttrName[] = "alignment";
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static constexpr const char kSourceAlignmentAttrName[] = "source_alignment";
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static constexpr const char kBranchWeightAttrName[] = "branch_weights";
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static constexpr const char kCallee[] = "callee";
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static constexpr const char kClusterSize[] = "cluster_size";
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@ -157,6 +161,12 @@ parseEnumKeywordAttr(EnumClass &value, OpAsmParser &parser,
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return success();
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}
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/// Parses optional memory access attributes attached to a memory access
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/// operand/pointer. Specifically, parses the following syntax:
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/// (`[` memory-access `]`)?
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/// where:
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/// memory-access ::= `"None"` | `"Volatile"` | `"Aligned", `
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/// integer-literal | `"NonTemporal"`
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static ParseResult parseMemoryAccessAttributes(OpAsmParser &parser,
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OperationState &state) {
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// Parse an optional list of attributes staring with '['
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@ -166,7 +176,8 @@ static ParseResult parseMemoryAccessAttributes(OpAsmParser &parser,
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}
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spirv::MemoryAccess memoryAccessAttr;
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if (parseEnumStrAttr(memoryAccessAttr, parser, state)) {
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if (parseEnumStrAttr(memoryAccessAttr, parser, state,
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kMemoryAccessAttrName)) {
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return failure();
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}
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@ -183,19 +194,90 @@ static ParseResult parseMemoryAccessAttributes(OpAsmParser &parser,
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return parser.parseRSquare();
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}
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// TODO Make sure to merge this and the previous function into one template
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// parameterized by memroy access attribute name and alignment. Doing so now
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// results in VS2017 in producing an internal error (at the call site) that's
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// not detailed enough to understand what is happenning.
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static ParseResult parseSourceMemoryAccessAttributes(OpAsmParser &parser,
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OperationState &state) {
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// Parse an optional list of attributes staring with '['
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if (parser.parseOptionalLSquare()) {
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// Nothing to do
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return success();
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}
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spirv::MemoryAccess memoryAccessAttr;
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if (parseEnumStrAttr(memoryAccessAttr, parser, state,
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kSourceMemoryAccessAttrName)) {
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return failure();
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}
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if (spirv::bitEnumContains(memoryAccessAttr, spirv::MemoryAccess::Aligned)) {
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// Parse integer attribute for alignment.
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Attribute alignmentAttr;
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Type i32Type = parser.getBuilder().getIntegerType(32);
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if (parser.parseComma() ||
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parser.parseAttribute(alignmentAttr, i32Type, kSourceAlignmentAttrName,
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state.attributes)) {
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return failure();
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}
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}
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return parser.parseRSquare();
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}
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template <typename MemoryOpTy>
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static void
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printMemoryAccessAttribute(MemoryOpTy memoryOp, OpAsmPrinter &printer,
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SmallVectorImpl<StringRef> &elidedAttrs) {
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static void printMemoryAccessAttribute(
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MemoryOpTy memoryOp, OpAsmPrinter &printer,
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SmallVectorImpl<StringRef> &elidedAttrs,
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Optional<spirv::MemoryAccess> memoryAccessAtrrValue = None,
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Optional<llvm::APInt> alignmentAttrValue = None) {
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// Print optional memory access attribute.
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if (auto memAccess = memoryOp.memory_access()) {
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elidedAttrs.push_back(spirv::attributeName<spirv::MemoryAccess>());
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if (auto memAccess = (memoryAccessAtrrValue ? memoryAccessAtrrValue
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: memoryOp.memory_access())) {
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elidedAttrs.push_back(kMemoryAccessAttrName);
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printer << " [\"" << stringifyMemoryAccess(*memAccess) << "\"";
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// Print integer alignment attribute.
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if (auto alignment = memoryOp.alignment()) {
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elidedAttrs.push_back(kAlignmentAttrName);
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printer << ", " << alignment;
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if (spirv::bitEnumContains(*memAccess, spirv::MemoryAccess::Aligned)) {
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// Print integer alignment attribute.
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if (auto alignment = (alignmentAttrValue ? alignmentAttrValue
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: memoryOp.alignment())) {
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elidedAttrs.push_back(kAlignmentAttrName);
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printer << ", " << alignment;
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}
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}
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printer << "]";
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}
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elidedAttrs.push_back(spirv::attributeName<spirv::StorageClass>());
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}
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// TODO Make sure to merge this and the previous function into one template
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// parameterized by memroy access attribute name and alignment. Doing so now
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// results in VS2017 in producing an internal error (at the call site) that's
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// not detailed enough to understand what is happenning.
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template <typename MemoryOpTy>
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static void printSourceMemoryAccessAttribute(
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MemoryOpTy memoryOp, OpAsmPrinter &printer,
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SmallVectorImpl<StringRef> &elidedAttrs,
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Optional<spirv::MemoryAccess> memoryAccessAtrrValue = None,
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Optional<llvm::APInt> alignmentAttrValue = None) {
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printer << ", ";
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// Print optional memory access attribute.
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if (auto memAccess = (memoryAccessAtrrValue ? memoryAccessAtrrValue
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: memoryOp.memory_access())) {
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elidedAttrs.push_back(kSourceMemoryAccessAttrName);
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printer << " [\"" << stringifyMemoryAccess(*memAccess) << "\"";
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if (spirv::bitEnumContains(*memAccess, spirv::MemoryAccess::Aligned)) {
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// Print integer alignment attribute.
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if (auto alignment = (alignmentAttrValue ? alignmentAttrValue
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: memoryOp.alignment())) {
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elidedAttrs.push_back(kSourceAlignmentAttrName);
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printer << ", " << alignment;
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}
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}
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printer << "]";
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}
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@ -249,7 +331,7 @@ static LogicalResult verifyMemoryAccessAttribute(MemoryOpTy memoryOp) {
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// memory-access attribute is Aligned, then the alignment attribute must be
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// present.
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auto *op = memoryOp.getOperation();
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auto memAccessAttr = op->getAttr(spirv::attributeName<spirv::MemoryAccess>());
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auto memAccessAttr = op->getAttr(kMemoryAccessAttrName);
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if (!memAccessAttr) {
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// Alignment attribute shouldn't be present if memory access attribute is
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// not present.
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@ -283,6 +365,50 @@ static LogicalResult verifyMemoryAccessAttribute(MemoryOpTy memoryOp) {
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return success();
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}
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// TODO Make sure to merge this and the previous function into one template
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// parameterized by memroy access attribute name and alignment. Doing so now
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// results in VS2017 in producing an internal error (at the call site) that's
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// not detailed enough to understand what is happenning.
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template <typename MemoryOpTy>
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static LogicalResult verifySourceMemoryAccessAttribute(MemoryOpTy memoryOp) {
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// ODS checks for attributes values. Just need to verify that if the
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// memory-access attribute is Aligned, then the alignment attribute must be
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// present.
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auto *op = memoryOp.getOperation();
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auto memAccessAttr = op->getAttr(kSourceMemoryAccessAttrName);
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if (!memAccessAttr) {
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// Alignment attribute shouldn't be present if memory access attribute is
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// not present.
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if (op->getAttr(kSourceAlignmentAttrName)) {
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return memoryOp.emitOpError(
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"invalid alignment specification without aligned memory access "
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"specification");
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}
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return success();
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}
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auto memAccessVal = memAccessAttr.template cast<IntegerAttr>();
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auto memAccess = spirv::symbolizeMemoryAccess(memAccessVal.getInt());
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if (!memAccess) {
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return memoryOp.emitOpError("invalid memory access specifier: ")
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<< memAccessVal;
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}
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if (spirv::bitEnumContains(*memAccess, spirv::MemoryAccess::Aligned)) {
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if (!op->getAttr(kSourceAlignmentAttrName)) {
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return memoryOp.emitOpError("missing alignment value");
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}
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} else {
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if (op->getAttr(kSourceAlignmentAttrName)) {
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return memoryOp.emitOpError(
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"invalid alignment specification with non-aligned memory access "
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"specification");
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}
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}
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return success();
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}
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template <typename BarrierOp>
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static LogicalResult verifyMemorySemantics(BarrierOp op) {
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// According to the SPIR-V specification:
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@ -2832,6 +2958,9 @@ static void print(spirv::CopyMemoryOp copyMemory, OpAsmPrinter &printer) {
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SmallVector<StringRef, 4> elidedAttrs;
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printMemoryAccessAttribute(copyMemory, printer, elidedAttrs);
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printSourceMemoryAccessAttribute(copyMemory, printer, elidedAttrs,
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copyMemory.source_memory_access(),
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copyMemory.source_alignment());
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printer.printOptionalAttrDict(op->getAttrs(), elidedAttrs);
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@ -2854,12 +2983,23 @@ static ParseResult parseCopyMemoryOp(OpAsmParser &parser,
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parser.parseOperand(targetPtrInfo) || parser.parseComma() ||
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parseEnumStrAttr(sourceStorageClass, parser) ||
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parser.parseOperand(sourcePtrInfo) ||
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parseMemoryAccessAttributes(parser, state) ||
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parser.parseOptionalAttrDict(state.attributes) || parser.parseColon() ||
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parser.parseType(elementType)) {
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parseMemoryAccessAttributes(parser, state)) {
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return failure();
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}
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if (!parser.parseOptionalComma()) {
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// Parse 2nd memory access attributes.
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if (parseSourceMemoryAccessAttributes(parser, state)) {
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return failure();
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}
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}
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if (parser.parseColon() || parser.parseType(elementType))
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return failure();
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if (parser.parseOptionalAttrDict(state.attributes))
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return failure();
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auto targetPtrType = spirv::PointerType::get(elementType, targetStorageClass);
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auto sourcePtrType = spirv::PointerType::get(elementType, sourceStorageClass);
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@ -2883,7 +3023,19 @@ static LogicalResult verifyCopyMemory(spirv::CopyMemoryOp copyMemory) {
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"both operands must be pointers to the same type");
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}
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return verifyMemoryAccessAttribute(copyMemory);
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if (failed(verifyMemoryAccessAttribute(copyMemory))) {
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return failure();
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}
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// TODO - According to the spec:
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//
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// If two masks are present, the first applies to Target and cannot include
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// MakePointerVisible, and the second applies to Source and cannot include
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// MakePointerAvailable.
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//
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// Add such verification here.
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return verifySourceMemoryAccessAttribute(copyMemory);
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}
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//===----------------------------------------------------------------------===//
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@ -2511,6 +2511,76 @@ Deserializer::processOp<spirv::MemoryBarrierOp>(ArrayRef<uint32_t> operands) {
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return success();
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}
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template <>
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LogicalResult
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Deserializer::processOp<spirv::CopyMemoryOp>(ArrayRef<uint32_t> words) {
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SmallVector<Type, 1> resultTypes;
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size_t wordIndex = 0;
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SmallVector<Value, 4> operands;
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SmallVector<NamedAttribute, 4> attributes;
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if (wordIndex < words.size()) {
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auto arg = getValue(words[wordIndex]);
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if (!arg) {
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return emitError(unknownLoc, "unknown result <id> : ")
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<< words[wordIndex];
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}
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operands.push_back(arg);
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wordIndex++;
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}
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if (wordIndex < words.size()) {
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auto arg = getValue(words[wordIndex]);
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if (!arg) {
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return emitError(unknownLoc, "unknown result <id> : ")
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<< words[wordIndex];
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}
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operands.push_back(arg);
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wordIndex++;
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}
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bool isAlignedAttr = false;
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if (wordIndex < words.size()) {
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auto attrValue = words[wordIndex++];
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attributes.push_back(opBuilder.getNamedAttr(
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"memory_access", opBuilder.getI32IntegerAttr(attrValue)));
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isAlignedAttr = (attrValue == 2);
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}
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if (isAlignedAttr && wordIndex < words.size()) {
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attributes.push_back(opBuilder.getNamedAttr(
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"alignment", opBuilder.getI32IntegerAttr(words[wordIndex++])));
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}
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if (wordIndex < words.size()) {
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attributes.push_back(opBuilder.getNamedAttr(
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"source_memory_access",
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opBuilder.getI32IntegerAttr(words[wordIndex++])));
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}
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if (wordIndex < words.size()) {
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attributes.push_back(opBuilder.getNamedAttr(
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"source_alignment", opBuilder.getI32IntegerAttr(words[wordIndex++])));
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}
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if (wordIndex != words.size()) {
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return emitError(unknownLoc,
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"found more operands than expected when deserializing "
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"spirv::CopyMemoryOp, only ")
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<< wordIndex << " of " << words.size() << " processed";
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}
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Location loc = createFileLineColLoc(opBuilder);
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opBuilder.create<spirv::CopyMemoryOp>(loc, resultTypes, operands, attributes);
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return success();
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}
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// Pull in auto-generated Deserializer::dispatchToAutogenDeserialization() and
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// various Deserializer::processOp<...>() specializations.
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#define GET_DESERIALIZATION_FNS
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@ -364,7 +364,8 @@ private:
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/// Method to serialize an operation in the SPIR-V dialect that is a mirror of
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/// an instruction in the SPIR-V spec. This is auto generated if hasOpcode ==
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/// 1 and autogenSerialization == 1 in ODS.
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template <typename OpTy> LogicalResult processOp(OpTy op) {
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template <typename OpTy>
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LogicalResult processOp(OpTy op) {
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return op.emitError("unsupported op serialization");
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}
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@ -1904,6 +1905,51 @@ Serializer::processOp<spirv::FunctionCallOp>(spirv::FunctionCallOp op) {
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operands);
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}
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template <>
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LogicalResult
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Serializer::processOp<spirv::CopyMemoryOp>(spirv::CopyMemoryOp op) {
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SmallVector<uint32_t, 4> operands;
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SmallVector<StringRef, 2> elidedAttrs;
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for (Value operand : op.getOperation()->getOperands()) {
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auto id = getValueID(operand);
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assert(id && "use before def!");
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operands.push_back(id);
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}
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if (auto attr = op.getAttr("memory_access")) {
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operands.push_back(static_cast<uint32_t>(
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attr.cast<IntegerAttr>().getValue().getZExtValue()));
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}
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elidedAttrs.push_back("memory_access");
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if (auto attr = op.getAttr("alignment")) {
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operands.push_back(static_cast<uint32_t>(
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attr.cast<IntegerAttr>().getValue().getZExtValue()));
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}
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elidedAttrs.push_back("alignment");
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if (auto attr = op.getAttr("source_memory_access")) {
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operands.push_back(static_cast<uint32_t>(
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attr.cast<IntegerAttr>().getValue().getZExtValue()));
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}
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elidedAttrs.push_back("source_memory_access");
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if (auto attr = op.getAttr("source_alignment")) {
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operands.push_back(static_cast<uint32_t>(
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attr.cast<IntegerAttr>().getValue().getZExtValue()));
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}
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elidedAttrs.push_back("source_alignment");
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emitDebugLine(functionBody, op.getLoc());
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encodeInstructionInto(functionBody, spirv::Opcode::OpCopyMemory, operands);
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return success();
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}
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// Pull in auto-generated Serializer::dispatchToAutogenSerialization() and
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// various Serializer::processOp<...>() specializations.
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#define GET_SERIALIZATION_FNS
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@ -93,6 +93,18 @@ spv.module Logical GLSL450 requires #spv.vce<v1.0, [Shader], []> {
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// CHECK: spv.CopyMemory "Function" %{{.*}}, "Function" %{{.*}} ["Volatile"] : f32
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spv.CopyMemory "Function" %0, "Function" %1 ["Volatile"] : f32
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// CHECK: spv.CopyMemory "Function" %{{.*}}, "Function" %{{.*}} ["Volatile"], ["Volatile"] : f32
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spv.CopyMemory "Function" %0, "Function" %1 ["Volatile"], ["Volatile"] : f32
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// CHECK: spv.CopyMemory "Function" %{{.*}}, "Function" %{{.*}} ["Aligned", 4], ["Volatile"] : f32
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spv.CopyMemory "Function" %0, "Function" %1 ["Aligned", 4], ["Volatile"] : f32
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// CHECK: spv.CopyMemory "Function" %{{.*}}, "Function" %{{.*}} ["Volatile"], ["Aligned", 4] : f32
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spv.CopyMemory "Function" %0, "Function" %1 ["Volatile"], ["Aligned", 4] : f32
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// CHECK: spv.CopyMemory "Function" %{{.*}}, "Function" %{{.*}} ["Aligned", 8], ["Aligned", 4] : f32
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spv.CopyMemory "Function" %0, "Function" %1 ["Aligned", 8], ["Aligned", 4] : f32
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spv.Return
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}
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}
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@ -1247,7 +1247,7 @@ func @cannot_be_generic_storage_class(%arg0: f32) -> () {
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|
||||
// -----
|
||||
|
||||
func @copy_memory_incompatible_ptrs() -> () {
|
||||
func @copy_memory_incompatible_ptrs() {
|
||||
%0 = spv.Variable : !spv.ptr<f32, Function>
|
||||
%1 = spv.Variable : !spv.ptr<i32, Function>
|
||||
// expected-error @+1 {{both operands must be pointers to the same type}}
|
||||
|
|
@ -1257,7 +1257,7 @@ func @copy_memory_incompatible_ptrs() -> () {
|
|||
|
||||
// -----
|
||||
|
||||
func @copy_memory_invalid_maa() -> () {
|
||||
func @copy_memory_invalid_maa() {
|
||||
%0 = spv.Variable : !spv.ptr<f32, Function>
|
||||
%1 = spv.Variable : !spv.ptr<f32, Function>
|
||||
// expected-error @+1 {{missing alignment value}}
|
||||
|
|
@ -1267,7 +1267,27 @@ func @copy_memory_invalid_maa() -> () {
|
|||
|
||||
// -----
|
||||
|
||||
func @copy_memory_print_maa() -> () {
|
||||
func @copy_memory_invalid_source_maa() {
|
||||
%0 = spv.Variable : !spv.ptr<f32, Function>
|
||||
%1 = spv.Variable : !spv.ptr<f32, Function>
|
||||
// expected-error @+1 {{invalid alignment specification with non-aligned memory access specification}}
|
||||
"spv.CopyMemory"(%0, %1) {source_memory_access=0x0001 : i32, memory_access=0x0002 : i32, source_alignment=8 : i32, alignment=4 : i32} : (!spv.ptr<f32, Function>, !spv.ptr<f32, Function>) -> ()
|
||||
spv.Return
|
||||
}
|
||||
|
||||
// -----
|
||||
|
||||
func @copy_memory_invalid_source_maa2() {
|
||||
%0 = spv.Variable : !spv.ptr<f32, Function>
|
||||
%1 = spv.Variable : !spv.ptr<f32, Function>
|
||||
// expected-error @+1 {{missing alignment value}}
|
||||
"spv.CopyMemory"(%0, %1) {source_memory_access=0x0002 : i32, memory_access=0x0002 : i32, alignment=4 : i32} : (!spv.ptr<f32, Function>, !spv.ptr<f32, Function>) -> ()
|
||||
spv.Return
|
||||
}
|
||||
|
||||
// -----
|
||||
|
||||
func @copy_memory_print_maa() {
|
||||
%0 = spv.Variable : !spv.ptr<f32, Function>
|
||||
%1 = spv.Variable : !spv.ptr<f32, Function>
|
||||
|
||||
|
|
@ -1277,5 +1297,11 @@ func @copy_memory_print_maa() -> () {
|
|||
// CHECK: spv.CopyMemory "Function" %{{.*}}, "Function" %{{.*}} ["Aligned", 4] : f32
|
||||
"spv.CopyMemory"(%0, %1) {memory_access=0x0002 : i32, alignment=4 : i32} : (!spv.ptr<f32, Function>, !spv.ptr<f32, Function>) -> ()
|
||||
|
||||
// CHECK: spv.CopyMemory "Function" %{{.*}}, "Function" %{{.*}} ["Aligned", 4], ["Volatile"] : f32
|
||||
"spv.CopyMemory"(%0, %1) {source_memory_access=0x0001 : i32, memory_access=0x0002 : i32, alignment=4 : i32} : (!spv.ptr<f32, Function>, !spv.ptr<f32, Function>) -> ()
|
||||
|
||||
// CHECK: spv.CopyMemory "Function" %{{.*}}, "Function" %{{.*}} ["Aligned", 4], ["Aligned", 8] : f32
|
||||
"spv.CopyMemory"(%0, %1) {source_memory_access=0x0002 : i32, memory_access=0x0002 : i32, source_alignment=8 : i32, alignment=4 : i32} : (!spv.ptr<f32, Function>, !spv.ptr<f32, Function>) -> ()
|
||||
|
||||
spv.Return
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue