CGExprScalar.cpp File Reference

#include "CodeGenFunction.h"
#include "CGCXXABI.h"
#include "CGDebugInfo.h"
#include "CGObjCRuntime.h"
#include "CodeGenModule.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/RecordLayout.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Frontend/CodeGenOptions.h"
#include "llvm/IR/CFG.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Module.h"
#include <cstdarg>

Include dependency graph for CGExprScalar.cpp:

Go to the source code of this file.

Defines
#define	HANDLEBINOP(OP)
#define	VISITCOMP(CODE, UI, SI, FP)
#define	COMPOUND_OP(Op)
Enumerations
enum	IntrinsicType { VCMPEQ, VCMPGT }
Functions
static llvm::Constant *	getMaskElt (llvm::ShuffleVectorInst *SVI, unsigned Idx, unsigned Off, llvm::Type *I32Ty)
static bool	ShouldNullCheckClassCastValue (const CastExpr *CE)
static Value *	emitPointerArithmetic (CodeGenFunction &CGF, const BinOpInfo &op, bool isSubtraction)
	Emit pointer + index arithmetic.
static Value *	buildFMulAdd (llvm::BinaryOperator *MulOp, Value *Addend, const CodeGenFunction &CGF, CGBuilderTy &Builder, bool negMul, bool negAdd)
static Value *	tryEmitFMulAdd (const BinOpInfo &op, const CodeGenFunction &CGF, CGBuilderTy &Builder, bool isSub=false)
static llvm::Intrinsic::ID	GetIntrinsic (IntrinsicType IT, BuiltinType::Kind ElemKind)
static bool	isCheapEnoughToEvaluateUnconditionally (const Expr *E, CodeGenFunction &CGF)

---

Define Documentation

#define COMPOUND_OP

(

Op

)

Value:

case BO_##Op##Assign:                                                     \
      return Scalar.EmitCompoundAssignLValue(E, &ScalarExprEmitter::Emit##Op, \
                                             Result)

Referenced by clang::CodeGen::CodeGenFunction::EmitCompoundAssignmentLValue().

#define HANDLEBINOP

(

OP

)

Value:

Value *VisitBin ## OP(const BinaryOperator *E) {                         \
    return Emit ## OP(EmitBinOps(E));                                      \
  }                                                                        \
  Value *VisitBin ## OP ## Assign(const CompoundAssignOperator *E) {       \
    return EmitCompoundAssign(E, &ScalarExprEmitter::Emit ## OP);          \
  }

Definition at line 506 of file CGExprScalar.cpp.

#define VISITCOMP	(		CODE,
			UI,
			SI,
			FP
	)

Value:

Value *VisitBin##CODE(const BinaryOperator *E) { \
      return EmitCompare(E, llvm::ICmpInst::UI, llvm::ICmpInst::SI, \
                         llvm::FCmpInst::FP); }

Definition at line 528 of file CGExprScalar.cpp.

---

Enumeration Type Documentation

enum IntrinsicType

Enumerator:

VCMPEQ
VCMPGT

Definition at line 2733 of file CGExprScalar.cpp.

---

Function Documentation

static Value* buildFMulAdd	(	llvm::BinaryOperator *	MulOp,
		Value *	Addend,
		const CodeGenFunction &	CGF,
		CGBuilderTy &	Builder,
		bool	negMul,
		bool	negAdd
	)		[static]

Definition at line 2456 of file CGExprScalar.cpp.

References clang::CodeGen::CodeGenFunction::CGM, and clang::CodeGen::CodeGenModule::getIntrinsic().

Referenced by tryEmitFMulAdd().

static Value* emitPointerArithmetic	(	CodeGenFunction &	CGF,
		const BinOpInfo &	op,
		bool	isSubtraction
	)		[static]

Emit pointer + index arithmetic.

Definition at line 2365 of file CGExprScalar.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::Type::castAs(), clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EmitBoundsCheck(), clang::ast_matchers::expr, clang::Type::getAs(), clang::ASTContext::getAsVariableArrayType(), clang::CodeGen::CodeGenFunction::getContext(), clang::CodeGen::CodeGenFunction::getLangOpts(), clang::BinaryOperator::getLHS(), clang::PointerType::getPointeeType(), clang::BinaryOperator::getRHS(), clang::CodeGen::CodeGenModule::getSize(), clang::Expr::getType(), clang::ASTContext::getTypeSizeInChars(), clang::CodeGen::CodeGenFunction::getVLASize(), clang::SanitizerSet::has(), clang::Type::isFunctionType(), clang::Type::isSignedIntegerOrEnumerationType(), clang::Type::isVoidType(), clang::CodeGen::CodeGenTypeCache::PointerWidthInBits, clang::CodeGen::CodeGenTypeCache::PtrDiffTy, clang::CodeGen::CodeGenFunction::SanOpts, and clang::CodeGen::CodeGenTypeCache::VoidPtrTy.

static llvm::Intrinsic::ID GetIntrinsic	(	IntrinsicType	IT,
		BuiltinType::Kind	ElemKind
	)		[static]

Definition at line 2735 of file CGExprScalar.cpp.

References VCMPEQ.

static llvm::Constant* getMaskElt	(	llvm::ShuffleVectorInst *	SVI,
		unsigned	Idx,
		unsigned	Off,
		llvm::Type *	I32Ty
	)		[static]

Definition at line 1132 of file CGExprScalar.cpp.

static bool isCheapEnoughToEvaluateUnconditionally	(	const Expr *	E,
		CodeGenFunction &	CGF
	)		[static]

isCheapEnoughToEvaluateUnconditionally - Return true if the specified expression is cheap enough and side-effect-free enough to evaluate unconditionally instead of conditionally. This is used to convert control flow into selects in some cases.

Definition at line 3145 of file CGExprScalar.cpp.

References clang::CodeGen::CodeGenFunction::getContext(), clang::Expr::IgnoreParens(), and clang::Expr::isEvaluatable().

static bool ShouldNullCheckClassCastValue

(

const CastExpr *

CE

)

[static]

Definition at line 1297 of file CGExprScalar.cpp.

References clang::CK_UncheckedDerivedToBase, clang::CastExpr::getCastKind(), clang::CastExpr::getSubExpr(), and clang::VK_RValue.

static Value* tryEmitFMulAdd	(	const BinOpInfo &	op,
		const CodeGenFunction &	CGF,
		CGBuilderTy &	Builder,
		bool	isSub = false
	)		[static]

Definition at line 2490 of file CGExprScalar.cpp.

References clang::BO_Add, clang::BO_AddAssign, clang::BO_Sub, clang::BO_SubAssign, buildFMulAdd(), clang::CodeGen::CodeGenFunction::CGM, clang::CodeGenOptions::FPC_On, and clang::CodeGen::CodeGenModule::getCodeGenOpts().