MLIR
22.0.0git
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#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
#include "mlir/Dialect/LLVMIR/LLVMAttrs.h"
#include "mlir/Dialect/LLVMIR/LLVMTypes.h"
#include "mlir/IR/Attributes.h"
#include "mlir/IR/Builders.h"
#include "mlir/IR/BuiltinOps.h"
#include "mlir/IR/BuiltinTypes.h"
#include "mlir/IR/DialectImplementation.h"
#include "mlir/IR/MLIRContext.h"
#include "mlir/IR/Matchers.h"
#include "mlir/Interfaces/FunctionImplementation.h"
#include "mlir/Transforms/InliningUtils.h"
#include "llvm/ADT/TypeSwitch.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/Error.h"
#include <numeric>
#include <optional>
#include "mlir/Dialect/LLVMIR/LLVMOpsDialect.cpp.inc"
#include "mlir/Dialect/LLVMIR/LLVMOps.cpp.inc"
#include "mlir/Dialect/LLVMIR/LLVMIntrinsicOps.cpp.inc"
Go to the source code of this file.
Macros | |
#define | REGISTER_ENUM_TYPE(Ty) |
#define | GET_OP_LIST |
#define | GET_OP_LIST |
#define | GET_OP_CLASSES |
#define | GET_OP_CLASSES |
Functions | |
static auto | processFMFAttr (ArrayRef< NamedAttribute > attrs) |
static LogicalResult | verifySymbolAttrUse (FlatSymbolRefAttr symbol, Operation *op, SymbolTableCollection &symbolTable) |
Verifies symbol 's use in op to ensure the symbol is a valid and fully defined llvm.func. More... | |
static Type | getI1SameShape (Type type) |
Returns a boolean type that has the same shape as type . More... | |
static int | parseOptionalKeywordAlternative (OpAsmParser &parser, ArrayRef< StringRef > keywords) |
template<typename EnumTy , typename RetTy = EnumTy> | |
static RetTy | parseOptionalLLVMKeyword (OpAsmParser &parser, EnumTy defaultValue) |
Parse an enum from the keyword, or default to the provided default value. More... | |
static void | printLLVMLinkage (OpAsmPrinter &p, Operation *, LinkageAttr val) |
static ParseResult | parseLLVMLinkage (OpAsmParser &p, LinkageAttr &val) |
static void | printOneOpBundle (OpAsmPrinter &p, OperandRange operands, TypeRange operandTypes, StringRef tag) |
static void | printOpBundles (OpAsmPrinter &p, Operation *op, OperandRangeRange opBundleOperands, TypeRangeRange opBundleOperandTypes, std::optional< ArrayAttr > opBundleTags) |
static ParseResult | parseOneOpBundle (OpAsmParser &p, SmallVector< SmallVector< OpAsmParser::UnresolvedOperand >> &opBundleOperands, SmallVector< SmallVector< Type >> &opBundleOperandTypes, SmallVector< Attribute > &opBundleTags) |
static std::optional< ParseResult > | parseOpBundles (OpAsmParser &p, SmallVector< SmallVector< OpAsmParser::UnresolvedOperand >> &opBundleOperands, SmallVector< SmallVector< Type >> &opBundleOperandTypes, ArrayAttr &opBundleTags) |
template<typename CmpPredicateType > | |
static ParseResult | parseCmpOp (OpAsmParser &parser, OperationState &result) |
static Attribute | getBoolAttribute (Type type, MLIRContext *ctx, bool value) |
Returns a scalar or vector boolean attribute of the given type. More... | |
static ParseResult | parseSwitchOpCases (OpAsmParser &parser, Type flagType, DenseIntElementsAttr &caseValues, SmallVectorImpl< Block * > &caseDestinations, SmallVectorImpl< SmallVector< OpAsmParser::UnresolvedOperand >> &caseOperands, SmallVectorImpl< SmallVector< Type >> &caseOperandTypes) |
<cases> ::= [ (case (, case )* )? ] <case> ::= integer : bb-id (( ssa-use-and-type-list ) )? More... | |
static void | printSwitchOpCases (OpAsmPrinter &p, SwitchOp op, Type flagType, DenseIntElementsAttr caseValues, SuccessorRange caseDestinations, OperandRangeRange caseOperands, const TypeRangeRange &caseOperandTypes) |
static Type | extractVectorElementType (Type type) |
Returns the elemental type of any LLVM-compatible vector type or self. More... | |
static void | destructureIndices (Type currType, ArrayRef< GEPArg > indices, SmallVectorImpl< int32_t > &rawConstantIndices, SmallVectorImpl< Value > &dynamicIndices) |
Destructures the 'indices' parameter into 'rawConstantIndices' and 'dynamicIndices', encoding the former in the process. More... | |
static ParseResult | parseGEPIndices (OpAsmParser &parser, SmallVectorImpl< OpAsmParser::UnresolvedOperand > &indices, DenseI32ArrayAttr &rawConstantIndices) |
static void | printGEPIndices (OpAsmPrinter &printer, LLVM::GEPOp gepOp, OperandRange indices, DenseI32ArrayAttr rawConstantIndices) |
static LogicalResult | verifyStructIndices (Type baseGEPType, unsigned indexPos, GEPIndicesAdaptor< ValueRange > indices, function_ref< InFlightDiagnostic()> emitOpError) |
For the given indices , check if they comply with baseGEPType , especially check against LLVMStructTypes nested within. More... | |
static LogicalResult | verifyStructIndices (Type baseGEPType, GEPIndicesAdaptor< ValueRange > indices, function_ref< InFlightDiagnostic()> emitOpError) |
Driver function around verifyStructIndices . More... | |
static bool | isTypeCompatibleWithAtomicOp (Type type, const DataLayout &dataLayout) |
Returns true if the given type is supported by atomic operations. More... | |
template<typename OpTy > | |
LogicalResult | verifyAtomicMemOp (OpTy memOp, Type valueType, ArrayRef< AtomicOrdering > unsupportedOrderings) |
Verifies the attributes and the type of atomic memory access operations. More... | |
static SmallVector< Type, 1 > | getCallOpResultTypes (LLVMFunctionType calleeType) |
Gets the MLIR Op-like result types of a LLVMFunctionType. More... | |
static TypeAttr | getCallOpVarCalleeType (LLVMFunctionType calleeType) |
Gets the variadic callee type for a LLVMFunctionType. More... | |
static LLVMFunctionType | getLLVMFuncType (MLIRContext *context, TypeRange results, ValueRange args) |
Constructs a LLVMFunctionType from MLIR results and args . More... | |
static LogicalResult | verifyCallOpDebugInfo (CallOp callOp, LLVMFuncOp callee) |
Verify that an inlinable callsite of a debug-info-bearing function in a debug-info-bearing function has a debug location attached to it. More... | |
template<typename OpTy > | |
LogicalResult | verifyCallOpVarCalleeType (OpTy callOp) |
Verify that the parameter and return types of the variadic callee type match the callOp argument and result types. More... | |
template<typename OpType > | |
static LogicalResult | verifyOperandBundles (OpType &op) |
static ParseResult | parseCallTypeAndResolveOperands (OpAsmParser &parser, OperationState &result, bool isDirect, ArrayRef< OpAsmParser::UnresolvedOperand > operands, SmallVectorImpl< DictionaryAttr > &argAttrs, SmallVectorImpl< DictionaryAttr > &resultAttrs) |
Parses the type of a call operation and resolves the operands if the parsing succeeds. More... | |
static ParseResult | parseOptionalCallFuncPtr (OpAsmParser &parser, SmallVectorImpl< OpAsmParser::UnresolvedOperand > &operands) |
Parses an optional function pointer operand before the call argument list for indirect calls, or stops parsing at the function identifier otherwise. More... | |
static ParseResult | resolveOpBundleOperands (OpAsmParser &parser, SMLoc loc, OperationState &state, ArrayRef< SmallVector< OpAsmParser::UnresolvedOperand >> opBundleOperands, ArrayRef< SmallVector< Type >> opBundleOperandTypes, StringAttr opBundleSizesAttrName) |
static Type | getInsertExtractValueElementType (function_ref< InFlightDiagnostic(StringRef)> emitError, Type containerType, ArrayRef< int64_t > position) |
Extract the type at position in the LLVM IR aggregate type containerType . More... | |
static Type | getInsertExtractValueElementType (Type llvmType, ArrayRef< int64_t > position) |
Extract the type at position in the wrapped LLVM IR aggregate type containerType . More... | |
static ParseResult | parseInsertExtractValueElementType (AsmParser &parser, Type &valueType, Type containerType, DenseI64ArrayAttr position) |
Infer the value type from the container type and position. More... | |
static void | printInsertExtractValueElementType (AsmPrinter &printer, Operation *op, Type valueType, Type containerType, DenseI64ArrayAttr position) |
Nothing to print for an inferred type. More... | |
template<typename OpType > | |
static void | printCommonGlobalAndAlias (OpAsmPrinter &p, OpType op) |
static LogicalResult | verifyComdat (Operation *op, std::optional< SymbolRefAttr > attr) |
static LogicalResult | verifyBlockTags (LLVMFuncOp funcOp) |
template<typename OpType > | |
static ParseResult | parseCommonGlobalAndAlias (OpAsmParser &parser, OperationState &result) |
Parse common attributes that might show up in the same order in both GlobalOp and AliasOp. More... | |
static bool | isZeroAttribute (Attribute value) |
LogicalResult | checkGlobalXtorData (Operation *op, ArrayAttr data) |
static ParseResult | parseShuffleType (AsmParser &parser, Type v1Type, Type &resType, DenseI32ArrayAttr mask) |
Build the result type of a shuffle vector operation. More... | |
static void | printShuffleType (AsmPrinter &printer, Operation *op, Type v1Type, Type resType, DenseI32ArrayAttr mask) |
Nothing to do when the result type is inferred. More... | |
static Type | buildLLVMFunctionType (OpAsmParser &parser, SMLoc loc, ArrayRef< Type > inputs, ArrayRef< Type > outputs, function_interface_impl::VariadicFlag variadicFlag) |
static int64_t | getNumElements (Type t) |
Compute the total number of elements in the given type, also taking into account nested types. More... | |
static bool | hasScalableVectorType (Type t) |
Check if the given type is a scalable vector type or a vector/array type that contains a nested scalable vector type. More... | |
static LogicalResult | verifyStructArrayConstant (LLVM::ConstantOp op, LLVM::LLVMArrayType arrayType, ArrayAttr arrayAttr, int dim) |
Verifies the constant array represented by arrayAttr matches the provided arrayType . More... | |
static LLVMStructType | getValAndBoolStructType (Type valType) |
Returns an LLVM struct type that contains a value type and a boolean type. More... | |
template<class ExtOp > | |
static LogicalResult | verifyExtOp (ExtOp op) |
Verifies that the given extension operation operates on consistent scalars or vectors, and that the target width is larger than the input width. More... | |
template<typename T > | |
static OpFoldResult | foldChainableCast (T castOp, typename T::FoldAdaptor adaptor) |
Folds a cast op that can be chained. More... | |
static ParseResult | parseIndirectBrOpSucessors (OpAsmParser &parser, Type &flagType, SmallVectorImpl< Block * > &succOperandBlocks, SmallVectorImpl< SmallVector< OpAsmParser::UnresolvedOperand >> &succOperands, SmallVectorImpl< SmallVector< Type >> &succOperandsTypes) |
static void | printIndirectBrOpSucessors (OpAsmPrinter &p, IndirectBrOp op, Type flagType, SuccessorRange succs, OperandRangeRange succOperands, const TypeRangeRange &succOperandsTypes) |
Variables | |
static constexpr const char | kElemTypeAttrName [] = "elem_type" |
#define GET_OP_CLASSES |
Definition at line 4149 of file LLVMDialect.cpp.
#define GET_OP_CLASSES |
Definition at line 4149 of file LLVMDialect.cpp.
#define GET_OP_LIST |
#define GET_OP_LIST |
#define REGISTER_ENUM_TYPE | ( | Ty | ) |
Definition at line 103 of file LLVMDialect.cpp.
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Definition at line 2849 of file LLVMDialect.cpp.
References mlir::AsmParser::emitError(), mlir::get(), mlir::AsmParser::getBuilder(), mlir::Builder::getContext(), mlir::LLVM::isCompatibleType(), and mlir::function_interface_impl::VariadicFlag::isVariadic().
LogicalResult checkGlobalXtorData | ( | Operation * | op, |
ArrayAttr | data | ||
) |
Definition at line 2503 of file LLVMDialect.cpp.
References mlir::Operation::emitError().
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Destructures the 'indices' parameter into 'rawConstantIndices' and 'dynamicIndices', encoding the former in the process.
In the process, dynamic indices which are used to index into a structure type are converted to constant indices when possible. To do this, the GEPs element type should be passed as first parameter.
Definition at line 628 of file LLVMDialect.cpp.
References mlir::LLVM::kGEPConstantBitWidth, mlir::m_ConstantInt(), and mlir::matchPattern().
Returns the elemental type of any LLVM-compatible vector type or self.
Definition at line 617 of file LLVMDialect.cpp.
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Folds a cast op that can be chained.
Definition at line 3570 of file LLVMDialect.cpp.
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Returns a scalar or vector boolean attribute of the given type.
Definition at line 316 of file LLVMDialect.cpp.
References mlir::BoolAttr::get(), and mlir::DenseElementsAttr::get().
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Gets the MLIR Op-like result types of a LLVMFunctionType.
Definition at line 922 of file LLVMDialect.cpp.
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Gets the variadic callee type for a LLVMFunctionType.
Definition at line 931 of file LLVMDialect.cpp.
References mlir::get().
Returns a boolean type that has the same shape as type
.
It supports both fixed size vectors as well as scalable vectors.
Definition at line 80 of file LLVMDialect.cpp.
References mlir::get(), mlir::Type::getContext(), mlir::LLVM::getVectorNumElements(), mlir::LLVM::getVectorType(), and mlir::LLVM::isCompatibleVectorType().
Referenced by parseCmpOp().
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Extract the type at position
in the LLVM IR aggregate type containerType
.
Each element of position
is an index into a nested aggregate type. Return the resulting type or emit an error.
Definition at line 1820 of file LLVMDialect.cpp.
References mlir::emitError(), and mlir::LLVM::isCompatibleType().
Referenced by parseInsertExtractValueElementType().
Extract the type at position
in the wrapped LLVM IR aggregate type containerType
.
Definition at line 1857 of file LLVMDialect.cpp.
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Constructs a LLVMFunctionType from MLIR results
and args
.
Definition at line 936 of file LLVMDialect.cpp.
References mlir::get(), and mlir::ValueRange::getTypes().
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Compute the total number of elements in the given type, also taking into account nested types.
Supported types are VectorType
and LLVMArrayType
. Everything else is treated as a scalar.
Definition at line 3178 of file LLVMDialect.cpp.
Referenced by mlir::LLVM::detail::extractNDVectorTypeInfo(), hasAtMostSingleNonScalar(), mlir::affine::AffineDmaStartOp::print(), and mlir::affine::AffineDmaWaitOp::print().
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Returns an LLVM struct type that contains a value type and a boolean type.
Definition at line 3451 of file LLVMDialect.cpp.
References mlir::get(), and mlir::Type::getContext().
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Check if the given type is a scalable vector type or a vector/array type that contains a nested scalable vector type.
Definition at line 3192 of file LLVMDialect.cpp.
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Returns true if the given type is supported by atomic operations.
All integer, float, and pointer types with a power-of-two bitsize and a minimal size of 8 bits are supported.
Definition at line 824 of file LLVMDialect.cpp.
References mlir::DataLayout::getTypeSizeInBits(), and mlir::LLVM::isCompatibleFloatingPointType().
Referenced by verifyAtomicMemOp().
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Definition at line 2398 of file LLVMDialect.cpp.
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Parses the type of a call operation and resolves the operands if the parsing succeeds.
Returns failure otherwise.
Definition at line 1294 of file LLVMDialect.cpp.
References mlir::OperationState::addTypes(), mlir::AsmParser::emitError(), mlir::AsmParser::getCurrentLocation(), mlir::AsmParser::getNameLoc(), mlir::OperationState::operands, mlir::AsmParser::parseColon(), mlir::call_interface_impl::parseFunctionSignature(), mlir::AsmParser::parseOptionalComma(), mlir::AsmParser::parseType(), and mlir::OpAsmParser::resolveOperands().
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Definition at line 260 of file LLVMDialect.cpp.
References mlir::OperationState::addTypes(), mlir::OperationState::attributes, mlir::AsmParser::emitError(), mlir::AsmParser::getBuilder(), mlir::AsmParser::getCurrentLocation(), getI1SameShape(), mlir::Builder::getI64IntegerAttr(), mlir::LLVM::isCompatibleType(), mlir::OperationState::operands, mlir::AsmParser::parseAttribute(), mlir::AsmParser::parseColon(), mlir::AsmParser::parseComma(), mlir::OpAsmParser::parseOperand(), mlir::AsmParser::parseOptionalAttrDict(), mlir::AsmParser::parseType(), mlir::OpAsmParser::resolveOperand(), and mlir::NamedAttrList::set().
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Parse common attributes that might show up in the same order in both GlobalOp and AliasOp.
Definition at line 2298 of file LLVMDialect.cpp.
References mlir::OperationState::addAttribute(), mlir::get(), mlir::AsmParser::getBuilder(), mlir::AsmParser::getContext(), mlir::Builder::getI64IntegerAttr(), mlir::Builder::getUnitAttr(), mlir::OperationState::name, None, and mlir::AsmParser::parseOptionalKeyword().
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Definition at line 699 of file LLVMDialect.cpp.
References mlir::sparse_tensor::constantIndex(), mlir::detail::DenseArrayAttrImpl< int32_t >::get(), mlir::AsmParser::getContext(), mlir::OptionalParseResult::has_value(), mlir::AsmParser::parseCommaSeparatedList(), mlir::OpAsmParser::parseOperand(), mlir::AsmParser::parseOptionalInteger(), and mlir::OptionalParseResult::value().
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Definition at line 3971 of file LLVMDialect.cpp.
References mlir::AsmParser::parseCommaSeparatedList(), and mlir::AsmParser::Square.
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Infer the value type from the container type and position.
Definition at line 1978 of file LLVMDialect.cpp.
References mlir::detail::DenseArrayAttrImpl< T >::asArrayRef(), mlir::AsmParser::emitError(), mlir::AsmParser::getCurrentLocation(), and getInsertExtractValueElementType().
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Definition at line 137 of file LLVMDialect.cpp.
References mlir::get(), and mlir::AsmParser::getContext().
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Definition at line 181 of file LLVMDialect.cpp.
References mlir::AsmParser::emitError(), mlir::get(), mlir::AsmParser::getContext(), mlir::AsmParser::getCurrentLocation(), mlir::AsmParser::parseColon(), mlir::AsmParser::parseLParen(), mlir::OpAsmParser::parseOperandList(), mlir::AsmParser::parseOptionalRParen(), mlir::AsmParser::parseRParen(), mlir::AsmParser::parseString(), and mlir::AsmParser::parseTypeList().
Referenced by parseOpBundles().
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Definition at line 210 of file LLVMDialect.cpp.
References mlir::get(), mlir::AsmParser::getContext(), mlir::AsmParser::parseCommaSeparatedList(), parseOneOpBundle(), mlir::AsmParser::parseOptionalLSquare(), mlir::AsmParser::parseOptionalRSquare(), and mlir::AsmParser::parseRSquare().
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Parses an optional function pointer operand before the call argument list for indirect calls, or stops parsing at the function identifier otherwise.
Definition at line 1345 of file LLVMDialect.cpp.
References mlir::OptionalParseResult::has_value(), and mlir::OpAsmParser::parseOptionalOperand().
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Definition at line 90 of file LLVMDialect.cpp.
References mlir::detail::enumerate(), and mlir::AsmParser::parseOptionalKeyword().
Referenced by parseOptionalLLVMKeyword().
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Parse an enum from the keyword, or default to the provided default value.
The return type is the enum type by default, unless overridden with the second template argument.
Definition at line 121 of file LLVMDialect.cpp.
References parseOptionalKeywordAlternative(), and mlir::tblgen::stringify().
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Build the result type of a shuffle vector operation.
Definition at line 2772 of file LLVMDialect.cpp.
References mlir::AsmParser::emitError(), mlir::AsmParser::getCurrentLocation(), getElementType(), mlir::LLVM::getVectorType(), mlir::LLVM::isCompatibleVectorType(), and mlir::LLVM::isScalableVectorType().
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<cases> ::= [
(case (,
case )* )? ]
<case> ::= integer :
bb-id ((
ssa-use-and-type-list )
)?
Definition at line 515 of file LLVMDialect.cpp.
References mlir::DenseIntElementsAttr::get(), mlir::get(), mlir::Type::getIntOrFloatBitWidth(), mlir::AsmParser::None, mlir::AsmParser::parseColon(), mlir::AsmParser::parseColonTypeList(), mlir::AsmParser::parseCommaSeparatedList(), mlir::AsmParser::parseInteger(), mlir::AsmParser::parseLSquare(), mlir::OpAsmParser::parseOperandList(), mlir::AsmParser::parseOptionalLParen(), mlir::AsmParser::parseOptionalRSquare(), mlir::AsmParser::parseRParen(), mlir::AsmParser::parseRSquare(), and mlir::OpAsmParser::parseSuccessor().
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Definition at line 2216 of file LLVMDialect.cpp.
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Definition at line 726 of file LLVMDialect.cpp.
References mlir::OpAsmPrinter::printOperand().
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Definition at line 4004 of file LLVMDialect.cpp.
References mlir::OpAsmPrinter::printNewline(), and mlir::OpAsmPrinter::printSuccessorAndUseList().
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Nothing to print for an inferred type.
Definition at line 1990 of file LLVMDialect.cpp.
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Definition at line 133 of file LLVMDialect.cpp.
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Definition at line 148 of file LLVMDialect.cpp.
References mlir::OpAsmPrinter::printOperands(), and mlir::AsmPrinter::printString().
Referenced by printOpBundles().
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Definition at line 162 of file LLVMDialect.cpp.
References printOneOpBundle().
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Nothing to do when the result type is inferred.
Definition at line 2784 of file LLVMDialect.cpp.
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Definition at line 557 of file LLVMDialect.cpp.
References mlir::OpAsmPrinter::printNewline(), and mlir::OpAsmPrinter::printSuccessorAndUseList().
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Definition at line 49 of file LLVMDialect.cpp.
References mlir::NamedAttribute::getName(), and mlir::NamedAttribute::getValue().
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Definition at line 1358 of file LLVMDialect.cpp.
LogicalResult verifyAtomicMemOp | ( | OpTy | memOp, |
Type | valueType, | ||
ArrayRef< AtomicOrdering > | unsupportedOrderings | ||
) |
Verifies the attributes and the type of atomic memory access operations.
Definition at line 839 of file LLVMDialect.cpp.
References mlir::DataLayout::closest(), and isTypeCompatibleWithAtomicOp().
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Definition at line 2276 of file LLVMDialect.cpp.
References mlir::WalkResult::advance(), and mlir::WalkResult::wasInterrupted().
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Verify that an inlinable callsite of a debug-info-bearing function in a debug-info-bearing function has a debug location attached to it.
This mirrors an LLVM IR verifier.
Definition at line 1065 of file LLVMDialect.cpp.
LogicalResult verifyCallOpVarCalleeType | ( | OpTy | callOp | ) |
Verify that the parameter and return types of the variadic callee type match the callOp
argument and result types.
Definition at line 1090 of file LLVMDialect.cpp.
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Definition at line 2264 of file LLVMDialect.cpp.
References mlir::Operation::emitError(), and mlir::SymbolTable::lookupNearestSymbolFrom().
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Verifies that the given extension operation operates on consistent scalars or vectors, and that the target width is larger than the input width.
Definition at line 3512 of file LLVMDialect.cpp.
References mlir::LLVM::getVectorNumElements(), and mlir::LLVM::isCompatibleVectorType().
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Definition at line 1128 of file LLVMDialect.cpp.
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Verifies the constant array represented by arrayAttr
matches the provided arrayType
.
Definition at line 3205 of file LLVMDialect.cpp.
References mlir::detail::enumerate().
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Driver function around verifyStructIndices
.
Definition at line 782 of file LLVMDialect.cpp.
References verifyStructIndices().
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For the given indices
, check if they comply with baseGEPType
, especially check against LLVMStructTypes nested within.
Definition at line 742 of file LLVMDialect.cpp.
References mlir::LLVM::GEPIndicesAdaptor< DynamicRange >::size().
Referenced by verifyStructIndices().
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Verifies symbol
's use in op
to ensure the symbol is a valid and fully defined llvm.func.
Definition at line 64 of file LLVMDialect.cpp.
References mlir::Operation::emitOpError(), mlir::FlatSymbolRefAttr::getAttr(), mlir::FlatSymbolRefAttr::getValue(), and mlir::SymbolTableCollection::lookupNearestSymbolFrom().
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Definition at line 47 of file LLVMDialect.cpp.