clang 8.0.0

CGCall.h
Go to the documentation of this file.
1 //===----- CGCall.h - Encapsulate calling convention details ----*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // These classes wrap the information about a call or function
11 // definition used to handle ABI compliancy.
12 //
13 //===----------------------------------------------------------------------===//
14
15 #ifndef LLVM_CLANG_LIB_CODEGEN_CGCALL_H
16 #define LLVM_CLANG_LIB_CODEGEN_CGCALL_H
17
18 #include "CGValue.h"
19 #include "EHScopeStack.h"
20 #include "clang/AST/CanonicalType.h"
21 #include "clang/AST/GlobalDecl.h"
22 #include "clang/AST/Type.h"
23 #include "llvm/IR/Value.h"
24
25 // FIXME: Restructure so we don't have to expose so much stuff.
26 #include "ABIInfo.h"
27
28 namespace llvm {
29 class AttributeList;
30 class Function;
31 class Type;
32 class Value;
33 }
34
35 namespace clang {
36 class ASTContext;
37 class Decl;
38 class FunctionDecl;
39 class ObjCMethodDecl;
40 class VarDecl;
41
42 namespace CodeGen {
43
44 /// Abstract information about a function or function prototype.
45 class CGCalleeInfo {
46 /// The function prototype of the callee.
47 const FunctionProtoType *CalleeProtoTy;
48 /// The function declaration of the callee.
49 GlobalDecl CalleeDecl;
50
51 public:
52 explicit CGCalleeInfo() : CalleeProtoTy(nullptr), CalleeDecl() {}
53 CGCalleeInfo(const FunctionProtoType *calleeProtoTy, GlobalDecl calleeDecl)
54 : CalleeProtoTy(calleeProtoTy), CalleeDecl(calleeDecl) {}
55 CGCalleeInfo(const FunctionProtoType *calleeProtoTy)
56 : CalleeProtoTy(calleeProtoTy), CalleeDecl() {}
57 CGCalleeInfo(GlobalDecl calleeDecl)
58 : CalleeProtoTy(nullptr), CalleeDecl(calleeDecl) {}
59
60 const FunctionProtoType *getCalleeFunctionProtoType() const {
61 return CalleeProtoTy;
62 }
63 const GlobalDecl getCalleeDecl() const { return CalleeDecl; }
64 };
65
66 /// All available information about a concrete callee.
67 class CGCallee {
68 enum class SpecialKind : uintptr_t {
69 Invalid,
70 Builtin,
71 PseudoDestructor,
72 Virtual,
73
74 Last = Virtual
75 };
76
77 struct BuiltinInfoStorage {
78 const FunctionDecl *Decl;
79 unsigned ID;
80 };
81 struct PseudoDestructorInfoStorage {
82 const CXXPseudoDestructorExpr *Expr;
83 };
84 struct VirtualInfoStorage {
85 const CallExpr *CE;
86 GlobalDecl MD;
87 Address Addr;
88 llvm::FunctionType *FTy;
89 };
90
91 SpecialKind KindOrFunctionPointer;
92 union {
93 CGCalleeInfo AbstractInfo;
94 BuiltinInfoStorage BuiltinInfo;
95 PseudoDestructorInfoStorage PseudoDestructorInfo;
96 VirtualInfoStorage VirtualInfo;
97 };
98
99 explicit CGCallee(SpecialKind kind) : KindOrFunctionPointer(kind) {}
100
101 CGCallee(const FunctionDecl *builtinDecl, unsigned builtinID)
102 : KindOrFunctionPointer(SpecialKind::Builtin) {
103 BuiltinInfo.Decl = builtinDecl;
104 BuiltinInfo.ID = builtinID;
105 }
106
107 public:
108 CGCallee() : KindOrFunctionPointer(SpecialKind::Invalid) {}
109
110 /// Construct a callee. Call this constructor directly when this
111 /// isn't a direct call.
112 CGCallee(const CGCalleeInfo &abstractInfo, llvm::Value *functionPtr)
113 : KindOrFunctionPointer(SpecialKind(uintptr_t(functionPtr))) {
114 AbstractInfo = abstractInfo;
115 assert(functionPtr && "configuring callee without function pointer");
116 assert(functionPtr->getType()->isPointerTy());
117 assert(functionPtr->getType()->getPointerElementType()->isFunctionTy());
118 }
119
120 static CGCallee forBuiltin(unsigned builtinID,
121 const FunctionDecl *builtinDecl) {
122 CGCallee result(SpecialKind::Builtin);
123 result.BuiltinInfo.Decl = builtinDecl;
124 result.BuiltinInfo.ID = builtinID;
125 return result;
126 }
127
128 static CGCallee forPseudoDestructor(const CXXPseudoDestructorExpr *E) {
129 CGCallee result(SpecialKind::PseudoDestructor);
130 result.PseudoDestructorInfo.Expr = E;
131 return result;
132 }
133
134 static CGCallee forDirect(llvm::Constant *functionPtr,
135 const CGCalleeInfo &abstractInfo = CGCalleeInfo()) {
136 return CGCallee(abstractInfo, functionPtr);
137 }
138
139 static CGCallee forVirtual(const CallExpr *CE, GlobalDecl MD, Address Addr,
140 llvm::FunctionType *FTy) {
141 CGCallee result(SpecialKind::Virtual);
142 result.VirtualInfo.CE = CE;
143 result.VirtualInfo.MD = MD;
144 result.VirtualInfo.Addr = Addr;
145 result.VirtualInfo.FTy = FTy;
146 return result;
147 }
148
149 bool isBuiltin() const {
150 return KindOrFunctionPointer == SpecialKind::Builtin;
151 }
152 const FunctionDecl *getBuiltinDecl() const {
153 assert(isBuiltin());
154 return BuiltinInfo.Decl;
155 }
156 unsigned getBuiltinID() const {
157 assert(isBuiltin());
158 return BuiltinInfo.ID;
159 }
160
161 bool isPseudoDestructor() const {
162 return KindOrFunctionPointer == SpecialKind::PseudoDestructor;
163 }
164 const CXXPseudoDestructorExpr *getPseudoDestructorExpr() const {
165 assert(isPseudoDestructor());
166 return PseudoDestructorInfo.Expr;
167 }
168
169 bool isOrdinary() const {
170 return uintptr_t(KindOrFunctionPointer) > uintptr_t(SpecialKind::Last);
171 }
172 CGCalleeInfo getAbstractInfo() const {
173 if (isVirtual())
174 return VirtualInfo.MD;
175 assert(isOrdinary());
176 return AbstractInfo;
177 }
178 llvm::Value *getFunctionPointer() const {
179 assert(isOrdinary());
180 return reinterpret_cast<llvm::Value*>(uintptr_t(KindOrFunctionPointer));
181 }
182 void setFunctionPointer(llvm::Value *functionPtr) {
183 assert(isOrdinary());
184 KindOrFunctionPointer = SpecialKind(uintptr_t(functionPtr));
185 }
186
187 bool isVirtual() const {
188 return KindOrFunctionPointer == SpecialKind::Virtual;
189 }
190 const CallExpr *getVirtualCallExpr() const {
191 assert(isVirtual());
192 return VirtualInfo.CE;
193 }
194 GlobalDecl getVirtualMethodDecl() const {
195 assert(isVirtual());
196 return VirtualInfo.MD;
197 }
198 Address getThisAddress() const {
199 assert(isVirtual());
200 return VirtualInfo.Addr;
201 }
202
203 llvm::FunctionType *getFunctionType() const {
204 if (isVirtual())
205 return VirtualInfo.FTy;
206 return cast<llvm::FunctionType>(
207 getFunctionPointer()->getType()->getPointerElementType());
208 }
209
210 /// If this is a delayed callee computation of some sort, prepare
211 /// a concrete callee.
212 CGCallee prepareConcreteCallee(CodeGenFunction &CGF) const;
213 };
214
215 struct CallArg {
216 private:
217 union {
218 RValue RV;
219 LValue LV; /// The argument is semantically a load from this l-value.
220 };
221 bool HasLV;
222
223 /// A data-flow flag to make sure getRValue and/or copyInto are not
224 /// called twice for duplicated IR emission.
225 mutable bool IsUsed;
226
227 public:
228 QualType Ty;
229 CallArg(RValue rv, QualType ty)
230 : RV(rv), HasLV(false), IsUsed(false), Ty(ty) {}
231 CallArg(LValue lv, QualType ty)
232 : LV(lv), HasLV(true), IsUsed(false), Ty(ty) {}
233 bool hasLValue() const { return HasLV; }
234 QualType getType() const { return Ty; }
235
236 /// \returns an independent RValue. If the CallArg contains an LValue,
237 /// a temporary copy is returned.
238 RValue getRValue(CodeGenFunction &CGF) const;
239
240 LValue getKnownLValue() const {
241 assert(HasLV && !IsUsed);
242 return LV;
243 }
244 RValue getKnownRValue() const {
245 assert(!HasLV && !IsUsed);
246 return RV;
247 }
248 void setRValue(RValue _RV) {
249 assert(!HasLV);
250 RV = _RV;
251 }
252
253 bool isAggregate() const { return HasLV || RV.isAggregate(); }
254
255 void copyInto(CodeGenFunction &CGF, Address A) const;
256 };
257
258 /// CallArgList - Type for representing both the value and type of
259 /// arguments in a call.
260 class CallArgList :
261 public SmallVector<CallArg, 8> {
262 public:
263 CallArgList() : StackBase(nullptr) {}
264
265 struct Writeback {
266 /// The original argument. Note that the argument l-value
267 /// is potentially null.
268 LValue Source;
269
270 /// The temporary alloca.
271 Address Temporary;
272
273 /// A value to "use" after the writeback, or null.
274 llvm::Value *ToUse;
275 };
276
277 struct CallArgCleanup {
278 EHScopeStack::stable_iterator Cleanup;
279
280 /// The "is active" insertion point. This instruction is temporary and
281 /// will be removed after insertion.
282 llvm::Instruction *IsActiveIP;
283 };
284
285 void add(RValue rvalue, QualType type) { push_back(CallArg(rvalue, type)); }
286
287 void addUncopiedAggregate(LValue LV, QualType type) {
288 push_back(CallArg(LV, type));
289 }
290
291 /// Add all the arguments from another CallArgList to this one. After doing
292 /// this, the old CallArgList retains its list of arguments, but must not
293 /// be used to emit a call.
294 void addFrom(const CallArgList &other) {
295 insert(end(), other.begin(), other.end());
296 Writebacks.insert(Writebacks.end(),
297 other.Writebacks.begin(), other.Writebacks.end());
298 CleanupsToDeactivate.insert(CleanupsToDeactivate.end(),
299 other.CleanupsToDeactivate.begin(),
300 other.CleanupsToDeactivate.end());
301 assert(!(StackBase && other.StackBase) && "can't merge stackbases");
302 if (!StackBase)
303 StackBase = other.StackBase;
304 }
305
306 void addWriteback(LValue srcLV, Address temporary,
307 llvm::Value *toUse) {
308 Writeback writeback = { srcLV, temporary, toUse };
309 Writebacks.push_back(writeback);
310 }
311
312 bool hasWritebacks() const { return !Writebacks.empty(); }
313
314 typedef llvm::iterator_range<SmallVectorImpl<Writeback>::const_iterator>
315 writeback_const_range;
316
317 writeback_const_range writebacks() const {
318 return writeback_const_range(Writebacks.begin(), Writebacks.end());
319 }
320
321 void addArgCleanupDeactivation(EHScopeStack::stable_iterator Cleanup,
322 llvm::Instruction *IsActiveIP) {
323 CallArgCleanup ArgCleanup;
324 ArgCleanup.Cleanup = Cleanup;
325 ArgCleanup.IsActiveIP = IsActiveIP;
326 CleanupsToDeactivate.push_back(ArgCleanup);
327 }
328
329 ArrayRef<CallArgCleanup> getCleanupsToDeactivate() const {
330 return CleanupsToDeactivate;
331 }
332
333 void allocateArgumentMemory(CodeGenFunction &CGF);
334 llvm::Instruction *getStackBase() const { return StackBase; }
335 void freeArgumentMemory(CodeGenFunction &CGF) const;
336
337 /// Returns if we're using an inalloca struct to pass arguments in
338 /// memory.
339 bool isUsingInAlloca() const { return StackBase; }
340
341 private:
342 SmallVector<Writeback, 1> Writebacks;
343
344 /// Deactivate these cleanups immediately before making the call. This
345 /// is used to cleanup objects that are owned by the callee once the call
346 /// occurs.
347 SmallVector<CallArgCleanup, 1> CleanupsToDeactivate;
348
349 /// The stacksave call. It dominates all of the argument evaluation.
350 llvm::CallInst *StackBase;
351 };
352
353 /// FunctionArgList - Type for representing both the decl and type
354 /// of parameters to a function. The decl must be either a
355 /// ParmVarDecl or ImplicitParamDecl.
356 class FunctionArgList : public SmallVector<const VarDecl*, 16> {
357 };
358
359 /// ReturnValueSlot - Contains the address where the return value of a
360 /// function can be stored, and whether the address is volatile or not.
361 class ReturnValueSlot {
362 llvm::PointerIntPair<llvm::Value *, 2, unsigned int> Value;
363 CharUnits Alignment;
364
365 // Return value slot flags
366 enum Flags {
367 IS_VOLATILE = 0x1,
368 IS_UNUSED = 0x2,
369 };
370
371 public:
372 ReturnValueSlot() {}
373 ReturnValueSlot(Address Addr, bool IsVolatile, bool IsUnused = false)
374 : Value(Addr.isValid() ? Addr.getPointer() : nullptr,
375 (IsVolatile ? IS_VOLATILE : 0) | (IsUnused ? IS_UNUSED : 0)),
376 Alignment(Addr.isValid() ? Addr.getAlignment() : CharUnits::Zero()) {}
377
378 bool isNull() const { return !getValue().isValid(); }
379
380 bool isVolatile() const { return Value.getInt() & IS_VOLATILE; }
381 Address getValue() const { return Address(Value.getPointer(), Alignment); }
382 bool isUnused() const { return Value.getInt() & IS_UNUSED; }
383 };
384
385 } // end namespace CodeGen
386 } // end namespace clang
387
388 #endif
clang::CodeGen::ReturnValueSlot
ReturnValueSlot - Contains the address where the return value of a function can be stored...
Definition: CGCall.h:361
clang::CodeGen::CGCallee::CGCallee
CGCallee()
Definition: CGCall.h:108
clang::CodeGen::CallArg::isAggregate
bool isAggregate() const
Definition: CGCall.h:253
clang::Builtin::ID
ID
Definition: Builtins.h:49
clang::FunctionDecl
Represents a function declaration or definition.
Definition: Decl.h:1738
clang::CodeGen::CallArg::Ty
QualType Ty
Definition: CGCall.h:228
clang::QualType
A (possibly-)qualified type.
Definition: Type.h:638
clang::CodeGen::CGCallee::CGCallee
CGCallee(const CGCalleeInfo &abstractInfo, llvm::Value *functionPtr)
Construct a callee.
Definition: CGCall.h:112
llvm
DominatorTree GraphTraits specialization so the DominatorTree can be iterable by generic graph iterat...
Definition: Dominators.h:30
clang::CodeGen::ReturnValueSlot::isUnused
bool isUnused() const
Definition: CGCall.h:382
Type.h
C Language Family Type Representation.
BuiltinInfo
static const Builtin::Info BuiltinInfo[]
Definition: Builtins.cpp:21
clang::Decl
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:87
clang::CodeGen::CallArgList::addUncopiedAggregate
void addUncopiedAggregate(LValue LV, QualType type)
Definition: CGCall.h:287
clang::CodeGen::CallArg::CallArg
CallArg(LValue lv, QualType ty)
Definition: CGCall.h:231
clang::CodeGen::AlignmentSource::Decl
The l-value was an access to a declared entity or something equivalently strong, like the address of ...
clang::XRayInstrKind::Function
constexpr XRayInstrMask Function
Definition: XRayInstr.h:39
EHScopeStack.h
clang::CodeGen::CallArgList::hasWritebacks
bool hasWritebacks() const
Definition: CGCall.h:312
Value
Value
Definition: UninitializedValues.cpp:102
clang::CodeGen::CallArgList::getStackBase
llvm::Instruction * getStackBase() const
Definition: CGCall.h:334
clang::CodeGen::CGCallee::getFunctionPointer
llvm::Value * getFunctionPointer() const
Definition: CGCall.h:178
CanonicalType.h
clang::CodeGen::ReturnValueSlot::getValue
Address getValue() const
Definition: CGCall.h:381
clang::CodeGen::CallArgList::add
void add(RValue rvalue, QualType type)
Definition: CGCall.h:285
clang::CodeGen::CodeGenFunction
CodeGenFunction - This class organizes the per-function state that is used while generating LLVM code...
Definition: CodeGenFunction.h:227
clang::CodeGen::CGCallee::VirtualInfo
VirtualInfoStorage VirtualInfo
Definition: CGCall.h:96
ABIInfo.h
clang::CodeGen::CallArgList::CallArgCleanup::Cleanup
EHScopeStack::stable_iterator Cleanup
Definition: CGCall.h:278
CGValue.h
clang::CodeGen::CallArgList::isUsingInAlloca
bool isUsingInAlloca() const
Returns if we&#39;re using an inalloca struct to pass arguments in memory.
Definition: CGCall.h:339
clang::CodeGen::CGCallee::isOrdinary
bool isOrdinary() const
Definition: CGCall.h:169
clang::CodeGen::CGCallee::isVirtual
bool isVirtual() const
Definition: CGCall.h:187
clang::CodeGen::CallArgList::addArgCleanupDeactivation
void addArgCleanupDeactivation(EHScopeStack::stable_iterator Cleanup, llvm::Instruction *IsActiveIP)
Definition: CGCall.h:321
clang::CodeGen::CGCallee::getFunctionType
llvm::FunctionType * getFunctionType() const
Definition: CGCall.h:203
clang::CodeGen::CGCallee::getPseudoDestructorExpr
const CXXPseudoDestructorExpr * getPseudoDestructorExpr() const
Definition: CGCall.h:164
clang::CharUnits
CharUnits - This is an opaque type for sizes expressed in character units.
Definition: CharUnits.h:38
clang::CodeGen::CGCallee::getBuiltinDecl
const FunctionDecl * getBuiltinDecl() const
Definition: CGCall.h:152
GlobalDecl.h
clang::CodeGen::CGCallee::setFunctionPointer
void setFunctionPointer(llvm::Value *functionPtr)
Definition: CGCall.h:182
clang::CodeGen::ReturnValueSlot::ReturnValueSlot
ReturnValueSlot()
Definition: CGCall.h:372
clang::CodeGen::CallArgList::writeback_const_range
llvm::iterator_range< SmallVectorImpl< Writeback >::const_iterator > writeback_const_range
Definition: CGCall.h:315
llvm::ArrayRef
Definition: LLVM.h:32
clang::CodeGen::CallArg::getType
QualType getType() const
Definition: CGCall.h:234
clang::CodeGen::CGCallee::getVirtualCallExpr
const CallExpr * getVirtualCallExpr() const
Definition: CGCall.h:190
clang::CXXPseudoDestructorExpr
Represents a C++ pseudo-destructor (C++ [expr.pseudo]).
Definition: ExprCXX.h:2286
clang::CodeGen::CallArgList::addFrom
void addFrom(const CallArgList &other)
Add all the arguments from another CallArgList to this one.
Definition: CGCall.h:294
clang::FunctionProtoType
Represents a prototype with parameter type info, e.g.
Definition: Type.h:3687
clang::CodeGen::CallArgList::CallArgList
CallArgList()
Definition: CGCall.h:263
clang::CodeGen::RValue
RValue - This trivial value class is used to represent the result of an expression that is evaluated...
Definition: CGValue.h:39
clang::CodeGen::CGCallee::isPseudoDestructor
bool isPseudoDestructor() const
Definition: CGCall.h:161
clang::CodeGen::CallArgList::writebacks
writeback_const_range writebacks() const
Definition: CGCall.h:317
clang::CodeGen::CallArgList::addWriteback
void addWriteback(LValue srcLV, Address temporary, llvm::Value *toUse)
Definition: CGCall.h:306
clang::CodeGen::CGCallee::PseudoDestructorInfo
PseudoDestructorInfoStorage PseudoDestructorInfo
Definition: CGCall.h:95
clang::CodeGen::CallArgList::Writeback::Temporary
Address Temporary
The temporary alloca.
Definition: CGCall.h:271
clang::CodeGen::CallArgList::Writeback::ToUse
llvm::Value * ToUse
A value to "use" after the writeback, or null.
Definition: CGCall.h:274
clang::CodeGen::CallArg::LV
LValue LV
Definition: CGCall.h:219
clang::Expr
This represents one expression.
Definition: Expr.h:106
clang::CodeGen::CGCalleeInfo::CGCalleeInfo
CGCalleeInfo(const FunctionProtoType *calleeProtoTy)
Definition: CGCall.h:55
clang::CodeGen::CGCallee::forDirect
static CGCallee forDirect(llvm::Constant *functionPtr, const CGCalleeInfo &abstractInfo=CGCalleeInfo())
Definition: CGCall.h:134
clang::CodeGen::CGCallee::getThisAddress
Address getThisAddress() const
Definition: CGCall.h:198
getValue
static SVal getValue(SVal val, SValBuilder &svalBuilder)
Definition: ArrayBoundCheckerV2.cpp:276
clang::CodeGen::CGCallee::BuiltinInfo
BuiltinInfoStorage BuiltinInfo
Definition: CGCall.h:94
clang::CodeGen::CGCallee::AbstractInfo
CGCalleeInfo AbstractInfo
Definition: CGCall.h:93
clang::ComparisonCategoryType::Last
uintptr_t
__UINTPTR_TYPE__ uintptr_t
An unsigned integer type with the property that any valid pointer to void can be converted to this ty...
Definition: opencl-c.h:90
clang::CodeGen::ReturnValueSlot::isVolatile
bool isVolatile() const
Definition: CGCall.h:380
clang::GlobalDecl
GlobalDecl - represents a global declaration.
Definition: GlobalDecl.h:35
clang::CodeGen::CallArgList::Writeback
Definition: CGCall.h:265
clang::CodeGen::CallArg::getKnownLValue
LValue getKnownLValue() const
Definition: CGCall.h:240
clang::CodeGen::CGCallee::isBuiltin
bool isBuiltin() const
Definition: CGCall.h:149
false
#define false
Definition: stdbool.h:33
clang::CodeGen::EHScopeStack::stable_iterator
A saved depth on the scope stack.
Definition: EHScopeStack.h:107
clang::CodeGen::CallArg::setRValue
void setRValue(RValue _RV)
Definition: CGCall.h:248
clang::CodeGen::CGCallee::getVirtualMethodDecl
GlobalDecl getVirtualMethodDecl() const
Definition: CGCall.h:194
clang::CodeGen::CallArg::RV
RValue RV
Definition: CGCall.h:218
llvm::SmallVector
Definition: LLVM.h:36
clang::CodeGen::Address
An aligned address.
Definition: Address.h:25
clang::CodeGen::CGCallee
All available information about a concrete callee.
Definition: CGCall.h:67
clang::CodeGen::FunctionArgList
FunctionArgList - Type for representing both the decl and type of parameters to a function...
Definition: CGCall.h:356
clang::CodeGen::CGCalleeInfo::CGCalleeInfo
CGCalleeInfo()
Definition: CGCall.h:52
Type
Optional< types::ID > Type
Definition: InterpolatingCompilationDatabase.cpp:128
clang::CodeGen::CallArgList::CallArgCleanup::IsActiveIP
llvm::Instruction * IsActiveIP
The "is active" insertion point.
Definition: CGCall.h:282
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:22
clang::CodeGen::ReturnValueSlot::isNull
bool isNull() const
Definition: CGCall.h:378
clang::CodeGen::CGCalleeInfo::CGCalleeInfo
CGCalleeInfo(const FunctionProtoType *calleeProtoTy, GlobalDecl calleeDecl)
Definition: CGCall.h:53
clang::CodeGen::CallArgList::Writeback::Source
LValue Source
The original argument.
Definition: CGCall.h:268
clang::CodeGen::CGCallee::forBuiltin
static CGCallee forBuiltin(unsigned builtinID, const FunctionDecl *builtinDecl)
Definition: CGCall.h:120
type
clang::CodeGen::CGCallee::getBuiltinID
unsigned getBuiltinID() const
Definition: CGCall.h:156
clang::CodeGen::CallArgList::CallArgCleanup
Definition: CGCall.h:277
clang::CodeGen::CGCallee::forPseudoDestructor
static CGCallee forPseudoDestructor(const CXXPseudoDestructorExpr *E)
Definition: CGCall.h:128
clang::CodeGen::ReturnValueSlot::ReturnValueSlot
ReturnValueSlot(Address Addr, bool IsVolatile, bool IsUnused=false)
Definition: CGCall.h:373
clang::CodeGen::CallArg::getKnownRValue
RValue getKnownRValue() const
Definition: CGCall.h:244
clang::CodeGen::CGCalleeInfo::getCalleeDecl
const GlobalDecl getCalleeDecl() const
Definition: CGCall.h:63
clang::diag::kind
unsigned kind
All of the diagnostics that can be emitted by the frontend.
Definition: DiagnosticIDs.h:61
clang::CodeGen::CallArg::CallArg
CallArg(RValue rv, QualType ty)
Definition: CGCall.h:229
clang::CodeGen::CGCallee::forVirtual
static CGCallee forVirtual(const CallExpr *CE, GlobalDecl MD, Address Addr, llvm::FunctionType *FTy)
Definition: CGCall.h:139
clang::CodeGen::CallArg
Definition: CGCall.h:215
clang::CallExpr
CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]).
Definition: Expr.h:2396
clang::CodeGen::CallArg::hasLValue
bool hasLValue() const
Definition: CGCall.h:233
clang::CodeGen::CGCalleeInfo::getCalleeFunctionProtoType
const FunctionProtoType * getCalleeFunctionProtoType() const
Definition: CGCall.h:60
true
#define true
Definition: stdbool.h:32
clang::CodeGen::LValue
LValue - This represents an lvalue references.
Definition: CGValue.h:167
clang::CodeGen::CGCallee::getAbstractInfo
CGCalleeInfo getAbstractInfo() const
Definition: CGCall.h:172
clang::CodeGen::CallArgList
CallArgList - Type for representing both the value and type of arguments in a call.
Definition: CGCall.h:260
clang::CodeGen::CGCalleeInfo::CGCalleeInfo
CGCalleeInfo(GlobalDecl calleeDecl)
Definition: CGCall.h:57
clang::CodeGen::CGCalleeInfo
Abstract information about a function or function prototype.
Definition: CGCall.h:45
clang::CodeGen::CallArgList::getCleanupsToDeactivate
ArrayRef< CallArgCleanup > getCleanupsToDeactivate() const
Definition: CGCall.h:329