SwiftCallingConv.cpp File Reference

#include "clang/CodeGen/SwiftCallingConv.h"
#include "ABIInfo.h"
#include "CodeGenModule.h"
#include "TargetInfo.h"
#include "clang/Basic/TargetInfo.h"
#include <optional>

Go to the source code of this file.

Functions
static const SwiftABIInfo &	getSwiftABIInfo (CodeGenModule &CGM)
static bool	isPowerOf2 (unsigned n)
static llvm::Type *	getCommonType (llvm::Type *first, llvm::Type *second)
	Given two types with the same size, try to find a common type.
static CharUnits	getTypeStoreSize (CodeGenModule &CGM, llvm::Type *type)
static CharUnits	getTypeAllocSize (CodeGenModule &CGM, llvm::Type *type)
static CharUnits	getOffsetAtStartOfUnit (CharUnits offset, CharUnits unitSize)
	Given a power-of-two unit size, return the offset of the aligned unit of that size which contains the given offset.
static bool	areBytesInSameUnit (CharUnits first, CharUnits second, CharUnits chunkSize)
static bool	isMergeableEntryType (llvm::Type *type)
static ABIArgInfo	classifyExpandedType (SwiftAggLowering &lowering, bool forReturn, CharUnits alignmentForIndirect)
static ABIArgInfo	classifyType (CodeGenModule &CGM, CanQualType type, bool forReturn)

Function Documentation

areBytesInSameUnit()

static bool areBytesInSameUnit ( CharUnits  first, CharUnits  second, CharUnits  chunkSize  )

static

Definition at line 430 of file SwiftCallingConv.cpp.

References getOffsetAtStartOfUnit().

classifyExpandedType()

static ABIArgInfo classifyExpandedType ( SwiftAggLowering &  lowering, bool  forReturn, CharUnits  alignmentForIndirect  )

static

Definition at line 798 of file SwiftCallingConv.cpp.

References clang::CodeGen::swiftcall::SwiftAggLowering::empty(), clang::CodeGen::ABIArgInfo::getCoerceAndExpand(), clang::CodeGen::swiftcall::SwiftAggLowering::getCoerceAndExpandTypes(), clang::CodeGen::ABIArgInfo::getIgnore(), clang::CodeGen::ABIArgInfo::getIndirect(), and clang::CodeGen::swiftcall::SwiftAggLowering::shouldPassIndirectly().

Referenced by classifyType().

classifyType()

static ABIArgInfo classifyType ( CodeGenModule &  CGM, CanQualType  type, bool  forReturn  )

static

Definition at line 811 of file SwiftCallingConv.cpp.

References clang::CodeGen::swiftcall::SwiftAggLowering::addTypedData(), classifyExpandedType(), clang::CodeGen::swiftcall::SwiftAggLowering::finish(), clang::ASTContext::getASTRecordLayout(), clang::CodeGen::CodeGenModule::getContext(), clang::CodeGen::ABIArgInfo::getDirect(), clang::CodeGen::ABIArgInfo::getExpand(), clang::CodeGen::ABIArgInfo::getIgnore(), clang::CodeGen::ABIArgInfo::getIndirect(), clang::ASTContext::getTypeAlignInChars(), clang::CodeGen::swiftcall::mustPassRecordIndirectly(), clang::ast_matchers::recordType, clang::ast_matchers::type, and clang::CharUnits::Zero().

Referenced by clang::CodeGen::swiftcall::classifyArgumentType(), and clang::CodeGen::swiftcall::classifyReturnType().

getCommonType()

static llvm::Type * getCommonType ( llvm::Type *  first, llvm::Type *  second  )

static

Given two types with the same size, try to find a common type.

Definition at line 33 of file SwiftCallingConv.cpp.

References getCommonType().

Referenced by getCommonType().

getOffsetAtStartOfUnit()

static CharUnits getOffsetAtStartOfUnit ( CharUnits  offset, CharUnits  unitSize  )

static

Given a power-of-two unit size, return the offset of the aligned unit of that size which contains the given offset.

In other words, round down to the nearest multiple of the unit size.

Definition at line 424 of file SwiftCallingConv.cpp.

References clang::CharUnits::fromQuantity(), clang::CharUnits::getQuantity(), and isPowerOf2().

Referenced by areBytesInSameUnit(), and clang::CodeGen::swiftcall::SwiftAggLowering::finish().

getSwiftABIInfo()

static const SwiftABIInfo & getSwiftABIInfo ( CodeGenModule &  CGM )

static

Definition at line 24 of file SwiftCallingConv.cpp.

References clang::CodeGen::TargetCodeGenInfo::getSwiftABIInfo(), and clang::CodeGen::CodeGenModule::getTargetCodeGenInfo().

Referenced by clang::CodeGen::swiftcall::isLegalVectorType(), clang::CodeGen::swiftcall::isSwiftErrorLoweredInRegister(), clang::CodeGen::swiftcall::SwiftAggLowering::shouldPassIndirectly(), and clang::CodeGen::swiftcall::shouldPassIndirectly().

getTypeAllocSize()

static CharUnits getTypeAllocSize ( CodeGenModule &  CGM, llvm::Type *  type  )

static

Definition at line 61 of file SwiftCallingConv.cpp.

References clang::CharUnits::fromQuantity(), clang::CodeGen::CodeGenModule::getDataLayout(), and clang::ast_matchers::type.

Referenced by clang::CodeGen::swiftcall::SwiftAggLowering::getCoerceAndExpandTypes(), and clang::CodeGen::CodeGenTypes::typeRequiresSplitIntoByteArray().

getTypeStoreSize()

static CharUnits getTypeStoreSize ( CodeGenModule &  CGM, llvm::Type *  type  )

static

Definition at line 57 of file SwiftCallingConv.cpp.

References clang::CharUnits::fromQuantity(), clang::CodeGen::CodeGenModule::getDataLayout(), and clang::ast_matchers::type.

Referenced by clang::CodeGen::swiftcall::SwiftAggLowering::addTypedData(), and clang::CodeGen::swiftcall::getNaturalAlignment().

isMergeableEntryType()

static bool isMergeableEntryType ( llvm::Type *  type )

static

Definition at line 436 of file SwiftCallingConv.cpp.

References clang::ast_matchers::type.

isPowerOf2()

static bool isPowerOf2 ( unsigned  n )

static

Definition at line 28 of file SwiftCallingConv.cpp.

Referenced by getOffsetAtStartOfUnit(), clang::CodeGen::swiftcall::legalizeVectorType(), and clang::CodeGen::swiftcall::splitLegalVectorType().