CodeGenFunction.h revision 213541a68a3e137d11d2cefb612c6cdb410d7e8e
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- CodeGenFunction.h - Per-Function state for LLVM CodeGen ----------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This is the internal per-function state used for llvm translation. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14ef52a2fb2ace36c92f88c6e125bd7defa17dafa5Chris Lattner#ifndef CLANG_CODEGEN_CODEGENFUNCTION_H 15ef52a2fb2ace36c92f88c6e125bd7defa17dafa5Chris Lattner#define CLANG_CODEGEN_CODEGENFUNCTION_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner#include "clang/AST/Type.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/DenseMap.h" 19da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner#include "llvm/ADT/SmallVector.h" 2050b36741673258aaebcd3c7fe1260031901cae57Chris Lattner#include "llvm/Support/IRBuilder.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Module; 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class FunctionDecl; 31391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner class ObjCMethodDecl; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TargetInfo; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class FunctionTypeProto; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Stmt; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class CompoundStmt; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class LabelStmt; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class GotoStmt; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IfStmt; 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class WhileStmt; 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class DoStmt; 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ForStmt; 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ReturnStmt; 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class DeclStmt; 4551b09f2c528c8460b5465c676173324e44176d62Devang Patel class CaseStmt; 4651b09f2c528c8460b5465c676173324e44176d62Devang Patel class DefaultStmt; 4751b09f2c528c8460b5465c676173324e44176d62Devang Patel class SwitchStmt; 48fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson class AsmStmt; 49fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class DeclRefExpr; 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class StringLiteral; 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class IntegerLiteral; 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class FloatingLiteral; 55b0a721a51a85b7b1ea9b33dbe12f4a58232590e2Chris Lattner class CharacterLiteral; 5630bf3ae03f2edd9474d1ad69e7af64613367fed2Chris Lattner class TypesCompatibleExpr; 5730bf3ae03f2edd9474d1ad69e7af64613367fed2Chris Lattner 587016a706c9fab0d7c1603e424c61abbff9077037Chris Lattner class ImplicitCastExpr; 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class CastExpr; 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class CallExpr; 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class UnaryOperator; 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class BinaryOperator; 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class CompoundAssignOperator; 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ArraySubscriptExpr; 65213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman class ExtVectorElementExpr; 66b0a721a51a85b7b1ea9b33dbe12f4a58232590e2Chris Lattner class ConditionalOperator; 6794f05e36488fd08e404ac409d3bcb1db1da1bd4dChris Lattner class ChooseExpr; 68227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson class PreDefinedExpr; 695508518a2702b00be3b15a26d772bde968972f54Anders Carlsson class ObjCStringLiteral; 70391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner class ObjCIvarRefExpr; 71b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel class MemberExpr; 72b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel 73248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff class VarDecl; 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumConstantDecl; 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ParmVarDecl; 76472778eb4fce241721c563280886e98389bc7219Eli Friedman class FieldDecl; 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace CodeGen { 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class CodeGenModule; 79b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel class CodeGenTypes; 8088a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel class CGRecordLayout; 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// RValue - This trivial value class is used to represent the result of an 839b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner/// expression that is evaluated. It can be one of three things: either a 849b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner/// simple LLVM SSA value, a pair of SSA values for complex numbers, or the 859b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner/// address of an aggregate value in memory. 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass RValue { 879b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner llvm::Value *V1, *V2; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // TODO: Encode this into the low bit of pointer for more efficient 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // return-by-value. 909b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner enum { Scalar, Complex, Aggregate } Flavor; 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: Aggregate rvalues need to retain information about whether they are 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // volatile or not. 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 969b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner bool isScalar() const { return Flavor == Scalar; } 979b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner bool isComplex() const { return Flavor == Complex; } 989b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner bool isAggregate() const { return Flavor == Aggregate; } 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1009b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// getScalar() - Return the Value* of this scalar value. 1019b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner llvm::Value *getScalarVal() const { 1029b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner assert(isScalar() && "Not a scalar!"); 1039b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner return V1; 1045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1069b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// getComplexVal - Return the real/imag components of this complex value. 1079b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// 1089b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner std::pair<llvm::Value *, llvm::Value *> getComplexVal() const { 1099b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner return std::pair<llvm::Value *, llvm::Value *>(V1, V2); 1109b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner } 1119b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getAggregateAddr() - Return the Value* of the address of the aggregate. 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *getAggregateAddr() const { 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(isAggregate() && "Not an aggregate!"); 1159b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner return V1; 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static RValue get(llvm::Value *V) { 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue ER; 1209b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.V1 = V; 1219b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.Flavor = Scalar; 1229b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner return ER; 1239b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner } 1249b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner static RValue getComplex(llvm::Value *V1, llvm::Value *V2) { 1259b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue ER; 1269b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.V1 = V1; 1279b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.V2 = V2; 1289b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.Flavor = Complex; 1299b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner return ER; 1309b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner } 1319b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner static RValue getComplex(const std::pair<llvm::Value *, llvm::Value *> &C) { 1329b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue ER; 1339b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.V1 = C.first; 1349b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.V2 = C.second; 1359b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.Flavor = Complex; 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ER; 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static RValue getAggregate(llvm::Value *V) { 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue ER; 1409b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.V1 = V; 1419b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ER.Flavor = Aggregate; 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return ER; 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// LValue - This represents an lvalue references. Because C/C++ allow 1485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// bitfields, this is not a simple LLVM pointer, it may be a pointer plus a 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// bitrange. 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass LValue { 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // FIXME: Volatility. Restrict? 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // alignment? 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum { 155349aaec106b459206479f7600990230b9d799c61Chris Lattner Simple, // This is a normal l-value, use getAddress(). 156349aaec106b459206479f7600990230b9d799c61Chris Lattner VectorElt, // This is a vector element l-value (V[i]), use getVector* 157349aaec106b459206479f7600990230b9d799c61Chris Lattner BitField, // This is a bitfield l-value, use getBitfield*. 158213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorElt // This is an extended vector subset, use getExtVectorComp 1595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } LVType; 1605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *V; 1625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer union { 164349aaec106b459206479f7600990230b9d799c61Chris Lattner llvm::Value *VectorIdx; // Index into a vector subscript: V[i] 165213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman unsigned VectorElts; // Encoded ExtVector element subset: V.xyx 1663b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio struct { 1673b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio unsigned short StartBit; 1683b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio unsigned short Size; 1693b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio bool IsSigned; 1703b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio } BitfieldData; // BitField start bit and size 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSimple() const { return LVType == Simple; } 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVectorElt() const { return LVType == VectorElt; } 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isBitfield() const { return LVType == BitField; } 176213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorElt() const { return LVType == ExtVectorElt; } 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // simple lvalue 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *getAddress() const { assert(isSimple()); return V; } 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // vector elt lvalue 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *getVectorAddr() const { assert(isVectorElt()); return V; } 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *getVectorIdx() const { assert(isVectorElt()); return VectorIdx; } 183213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // extended vector elements. 184213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman llvm::Value *getExtVectorAddr() const { assert(isExtVectorElt()); return V; } 185213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman unsigned getExtVectorElts() const { 186213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(isExtVectorElt()); 1876481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner return VectorElts; 188349aaec106b459206479f7600990230b9d799c61Chris Lattner } 1893b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio // bitfield lvalue 1903b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio llvm::Value *getBitfieldAddr() const { assert(isBitfield()); return V; } 1913b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio unsigned short getBitfieldStartBit() const { 1923b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio assert(isBitfield()); 1933b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio return BitfieldData.StartBit; 1943b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio } 1953b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio unsigned short getBitfieldSize() const { 1963b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio assert(isBitfield()); 1973b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio return BitfieldData.Size; 1983b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio } 1993b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio bool isBitfieldSigned() const { 2003b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio assert(isBitfield()); 2013b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio return BitfieldData.IsSigned; 2023b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio } 2033b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static LValue MakeAddr(llvm::Value *V) { 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue R; 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer R.LVType = Simple; 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer R.V = V; 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return R; 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static LValue MakeVectorElt(llvm::Value *Vec, llvm::Value *Idx) { 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue R; 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer R.LVType = VectorElt; 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer R.V = Vec; 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer R.VectorIdx = Idx; 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return R; 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 219213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static LValue MakeExtVectorElt(llvm::Value *Vec, unsigned Elements) { 220349aaec106b459206479f7600990230b9d799c61Chris Lattner LValue R; 221213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman R.LVType = ExtVectorElt; 222349aaec106b459206479f7600990230b9d799c61Chris Lattner R.V = Vec; 2236481a57fefbf1a313ff439028470fe4c27a3b7a3Chris Lattner R.VectorElts = Elements; 224349aaec106b459206479f7600990230b9d799c61Chris Lattner return R; 225349aaec106b459206479f7600990230b9d799c61Chris Lattner } 2263b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio 2273b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio static LValue MakeBitfield(llvm::Value *V, unsigned short StartBit, 2283b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio unsigned short Size, bool IsSigned) { 2293b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio LValue R; 2303b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio R.LVType = BitField; 2313b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio R.V = V; 2323b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio R.BitfieldData.StartBit = StartBit; 2333b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio R.BitfieldData.Size = Size; 2343b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio R.BitfieldData.IsSigned = IsSigned; 2353b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio return R; 2363b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio } 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CodeGenFunction - This class organizes the per-function state that is used 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// while generating LLVM code. 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CodeGenFunction { 242bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattnerpublic: 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenModule &CGM; // Per-module state. 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 245bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner 24658dee10ed2eee34035f62d1c2d32b3639e9182f8Chris Lattner typedef std::pair<llvm::Value *, llvm::Value *> ComplexPairTy; 24750b36741673258aaebcd3c7fe1260031901cae57Chris Lattner llvm::IRBuilder Builder; 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 249c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner // Holds the Decl for the current function or method 250c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner const Decl *CurFuncDecl; 251391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner QualType FnRetTy; 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Function *CurFn; 2535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// AllocaInsertPoint - This is an instruction in the entry block before which 2555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// we prefer to insert allocas. 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Instruction *AllocaInsertPt; 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *LLVMIntTy; 2597b66000bdfc2684351fb03208e672f23012ed569Hartmut Kaiser uint32_t LLVMPointerWidth; 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2617f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattnerprivate: 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// LocalDeclMap - This keeps track of the LLVM allocas or globals for local C 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// decls. 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const Decl*, llvm::Value*> LocalDeclMap; 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// LabelMap - This keeps track of the LLVM basic block for each C label. 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const LabelStmt*, llvm::BasicBlock*> LabelMap; 268da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner 269da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner // BreakContinueStack - This keeps track of where break and continue 270da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner // statements should jump to. 271da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner struct BreakContinue { 272da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner BreakContinue(llvm::BasicBlock *bb, llvm::BasicBlock *cb) 273da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner : BreakBlock(bb), ContinueBlock(cb) {} 274da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner 275da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *BreakBlock; 276da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *ContinueBlock; 277da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner }; 278da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::SmallVector<BreakContinue, 8> BreakContinueStack; 279da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner 28080fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// SwitchInsn - This is nearest current switch instruction. It is null if 28180fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// if current context is not in a switch. 28251b09f2c528c8460b5465c676173324e44176d62Devang Patel llvm::SwitchInst *SwitchInsn; 28351b09f2c528c8460b5465c676173324e44176d62Devang Patel 28480fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// CaseRangeBlock - This block holds if condition check for last case 28580fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// statement range in current switch instruction. 286c049e4f406a7f7179eba98659044a32508e53289Devang Patel llvm::BasicBlock *CaseRangeBlock; 287c049e4f406a7f7179eba98659044a32508e53289Devang Patel 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenFunction(CodeGenModule &cgm); 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext &getContext() const; 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 293391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner void GenerateObjCMethod(const ObjCMethodDecl *OMD); 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void GenerateCode(const FunctionDecl *FD); 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *ConvertType(QualType T); 297c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner 298c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner llvm::Value *LoadObjCSelf(); 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasAggregateLLVMType - Return true if the specified AST type will map into 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an aggregate LLVM type or is void. 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool hasAggregateLLVMType(QualType T); 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getBasicBlockForLabel - Return the LLVM basicblock that the specified 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// label maps to. 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::BasicBlock *getBasicBlockForLabel(const LabelStmt *S); 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitBlock(llvm::BasicBlock *BB); 310dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner 311dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner /// WarnUnsupported - Print out a warning that codegen doesn't support the 312dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner /// specified stmt yet. 313dc4d280136d3301fcbf3c7b4b2782c8bd804342cChris Lattner void WarnUnsupported(const Stmt *S, const char *Type); 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Helpers 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// CreateTempAlloca - This creates a alloca and inserts it into the entry 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// block. 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::AllocaInst *CreateTempAlloca(const llvm::Type *Ty, 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *Name = "tmp"); 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EvaluateExprAsBool - Perform the usual unary conversions on the specified 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression and compare the result against zero, returning an Int1Ty value. 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *EvaluateExprAsBool(const Expr *E); 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3289b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// EmitAnyExpr - Emit code to compute the specified expression which can have 3299b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// any type. The result is returned as an RValue struct. If this is an 3309b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// aggregate expression, the aggloc/agglocvolatile arguments indicate where 3319b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// the result should be returned. 3329b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue EmitAnyExpr(const Expr *E, llvm::Value *AggLoc = 0, 3339b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner bool isAggLocVolatile = false); 334d9363c3a80168283b3da518b4e17f545a6246857Devang Patel 335d9363c3a80168283b3da518b4e17f545a6246857Devang Patel /// isDummyBlock - Return true if BB is an empty basic block 336d9363c3a80168283b3da518b4e17f545a6246857Devang Patel /// with no predecessors. 337d9363c3a80168283b3da518b4e17f545a6246857Devang Patel static bool isDummyBlock(const llvm::BasicBlock *BB); 338d9363c3a80168283b3da518b4e17f545a6246857Devang Patel 33951b09f2c528c8460b5465c676173324e44176d62Devang Patel /// StartBlock - Start new block named N. If insert block is a dummy block 34051b09f2c528c8460b5465c676173324e44176d62Devang Patel /// then reuse it. 34151b09f2c528c8460b5465c676173324e44176d62Devang Patel void StartBlock(const char *N); 34251b09f2c528c8460b5465c676173324e44176d62Devang Patel 34388a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getCGRecordLayout - Return record layout info. 34488a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel const CGRecordLayout *getCGRecordLayout(CodeGenTypes &CGT, QualType RTy); 345813733577d33ec56479667b49e1bff42dc6bba90Lauro Ramos Venancio 346813733577d33ec56479667b49e1bff42dc6bba90Lauro Ramos Venancio /// GetAddrOfStaticLocalVar - Return the address of a static local variable. 347248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff llvm::Constant *GetAddrOfStaticLocalVar(const VarDecl *BVD); 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Declaration Emission 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDecl(const Decl &D); 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitEnumConstantDecl(const EnumConstantDecl &D); 354248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitBlockVarDecl(const VarDecl &D); 355248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitLocalBlockVarDecl(const VarDecl &D); 356248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitStaticBlockVarDecl(const VarDecl &D); 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitParmDecl(const ParmVarDecl &D, llvm::Value *Arg); 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Statement Emission 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStmt(const Stmt *S); 3649b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue EmitCompoundStmt(const CompoundStmt &S, bool GetLast = false, 3659b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner llvm::Value *AggLoc = 0, bool isAggVol = false); 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitLabelStmt(const LabelStmt &S); 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitGotoStmt(const GotoStmt &S); 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitIfStmt(const IfStmt &S); 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitWhileStmt(const WhileStmt &S); 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDoStmt(const DoStmt &S); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitForStmt(const ForStmt &S); 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitReturnStmt(const ReturnStmt &S); 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDeclStmt(const DeclStmt &S); 374da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner void EmitBreakStmt(); 375da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner void EmitContinueStmt(); 37651b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitSwitchStmt(const SwitchStmt &S); 37751b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitDefaultStmt(const DefaultStmt &S); 37851b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitCaseStmt(const CaseStmt &S); 379c049e4f406a7f7179eba98659044a32508e53289Devang Patel void EmitCaseStmtRange(const CaseStmt &S); 380fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson void EmitAsmStmt(const AsmStmt &S); 381fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // LValue Expression Emission 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLValue - Emit code to compute a designator that specifies the location 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the expression. 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// This can return one of two things: a simple address or a bitfield 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference. In either case, the LLVM Value* in the LValue structure is 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// guaranteed to be an LLVM pointer type. 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a bitfield reference, nothing about the pointee type of 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the LLVM value is known: For example, it may not be a pointer to an 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// integer. 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a normal address, and if the lvalue's C type is fixed 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// size, this method guarantees that the returned pointer type will point to 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an LLVM type of the same size of the lvalue's type. If the lvalue has a 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// variable length type, this is not possible. 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitLValue(const Expr *E); 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLoadOfLValue - Given an expression that represents a value lvalue, 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this method emits the address of the lvalue, then loads the result as an 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// rvalue, returning the rvalue. 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitLoadOfLValue(LValue V, QualType LVType); 408213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman RValue EmitLoadOfExtVectorElementLValue(LValue V, QualType LVType); 4093b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio RValue EmitLoadOfBitfieldLValue(LValue LV, QualType ExprType); 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 41134cdc86af5b0a54084a512a1b2643365b8f5bdd2Chris Lattner 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitStoreThroughLValue - Store the specified rvalue into the specified 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// lvalue, where both are guaranteed to the have the same type, and that type 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// is 'Ty'. 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStoreThroughLValue(RValue Src, LValue Dst, QualType Ty); 416213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman void EmitStoreThroughExtVectorComponentLValue(RValue Src, LValue Dst, 417213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType Ty); 418a0c5d0eacede0f67ce46707263ddf4d8de0df706Lauro Ramos Venancio void EmitStoreThroughBitfieldLValue(RValue Src, LValue Dst, QualType Ty); 41922c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb 42022c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb // Note: only availabe for agg return types 42122c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb LValue EmitCallExprLValue(const CallExpr *E); 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitDeclRefLValue(const DeclRefExpr *E); 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitStringLiteralLValue(const StringLiteral *E); 425227426661be33ff3e21f2b6b9f97971da2da044fAnders Carlsson LValue EmitPreDefinedLValue(const PreDefinedExpr *E); 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitUnaryOpLValue(const UnaryOperator *E); 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E); 428213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E); 429b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel LValue EmitMemberExpr(const MemberExpr *E); 430472778eb4fce241721c563280886e98389bc7219Eli Friedman 431472778eb4fce241721c563280886e98389bc7219Eli Friedman LValue EmitLValueForField(llvm::Value* Base, FieldDecl* Field, 432472778eb4fce241721c563280886e98389bc7219Eli Friedman bool isUnion); 433391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner 434391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner LValue EmitObjCIvarRefLValue(const ObjCIvarRefExpr *E); 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 436883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner // Scalar Expression Emission 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 4385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitCallExpr(const CallExpr *E); 4405193b8a3e57c4f696161aeddfe8227c294c0a7feEli Friedman RValue EmitCallExpr(Expr *FnExpr, Expr *const *Args, unsigned NumArgs); 4415193b8a3e57c4f696161aeddfe8227c294c0a7feEli Friedman RValue EmitCallExpr(llvm::Value *Callee, QualType FnType, 4425193b8a3e57c4f696161aeddfe8227c294c0a7feEli Friedman Expr *const *Args, unsigned NumArgs); 4431e4d21ea5849637c49fd4222b09c4b5dedff7765Chris Lattner RValue EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 4445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 445564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E); 446564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 447564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson 448cc23acae84c6d5c37b4805edbcd95ee5d821c400Anders Carlsson llvm::Value *EmitShuffleVector(llvm::Value* V1, llvm::Value *V2, ...); 4494119d1aeca8016654d381ce079864058d1709571Nate Begeman llvm::Value *EmitVector(llvm::Value * const *Vals, unsigned NumVals, 4504119d1aeca8016654d381ce079864058d1709571Nate Begeman bool isSplat = false); 4516086bbd1799e22e75561c3d31dc9b923f0508fa5Anders Carlsson 4527f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner llvm::Value *EmitObjCStringLiteral(const ObjCStringLiteral *E); 4535508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 454883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 455bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expression Emission 456883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 457bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner 458bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expressions are broken into three classes: scalar, complex, aggregate. 459883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner 4607f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner /// EmitScalarExpr - Emit the computation of the specified expression of 4617f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner /// LLVM scalar type, returning the result. 4627f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner llvm::Value *EmitScalarExpr(const Expr *E); 4637f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner 4643707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// EmitScalarConversion - Emit a conversion from the specified type to the 4653707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// specified destination type, both of which are LLVM scalar types. 4663707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner llvm::Value *EmitScalarConversion(llvm::Value *Src, QualType SrcTy, 4673707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner QualType DstTy); 4683707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner 4694f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// EmitComplexToScalarConversion - Emit a conversion from the specified 4704f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// complex type to the specified destination type, where the destination 4714f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// type is an LLVM scalar type. 4724f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner llvm::Value *EmitComplexToScalarConversion(ComplexPairTy Src, QualType SrcTy, 4734f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner QualType DstTy); 4744f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner 4753707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner 476883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// EmitAggExpr - Emit the computation of the specified expression of 477883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// aggregate type. The result is computed into DestPtr. Note that if 478883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// DestPtr is null, the value of the aggregate expression is not needed. 479883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner void EmitAggExpr(const Expr *E, llvm::Value *DestPtr, bool VolatileDest); 480b6ef18a2b06d6760459e1756a61f79ff496cee19Chris Lattner 481b6ef18a2b06d6760459e1756a61f79ff496cee19Chris Lattner /// EmitComplexExpr - Emit the computation of the specified expression of 48223b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// complex type, returning the result. 48358dee10ed2eee34035f62d1c2d32b3639e9182f8Chris Lattner ComplexPairTy EmitComplexExpr(const Expr *E); 48423b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner 48523b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// EmitComplexExprIntoAddr - Emit the computation of the specified expression 48623b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// of complex type, storing into the specified Value*. 487190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner void EmitComplexExprIntoAddr(const Expr *E, llvm::Value *DestAddr, 488190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner bool DestIsVolatile); 4899b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// LoadComplexFromAddr - Load a complex number from the specified address. 4909b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ComplexPairTy LoadComplexFromAddr(llvm::Value *SrcAddr, bool SrcIsVolatile); 4915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace CodeGen 4935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 496