clang 20.0.0git
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This represents a GCC inline-assembly statement extension. More...
#include "clang/AST/Stmt.h"
Classes | |
class | AsmStringPiece |
AsmStringPiece - this is part of a decomposed asm string specification (for use with the AnalyzeAsmString function below). More... | |
Public Types | |
using | labels_iterator = CastIterator< AddrLabelExpr > |
using | const_labels_iterator = ConstCastIterator< AddrLabelExpr > |
using | labels_range = llvm::iterator_range< labels_iterator > |
using | labels_const_range = llvm::iterator_range< const_labels_iterator > |
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using | inputs_iterator = ExprIterator |
using | const_inputs_iterator = ConstExprIterator |
using | inputs_range = llvm::iterator_range< inputs_iterator > |
using | inputs_const_range = llvm::iterator_range< const_inputs_iterator > |
using | outputs_iterator = ExprIterator |
using | const_outputs_iterator = ConstExprIterator |
using | outputs_range = llvm::iterator_range< outputs_iterator > |
using | outputs_const_range = llvm::iterator_range< const_outputs_iterator > |
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enum | StmtClass { NoStmtClass = 0 } |
enum | Likelihood { LH_Unlikely = -1 , LH_None , LH_Likely } |
The likelihood of a branch being taken. More... | |
using | child_iterator = StmtIterator |
Child Iterators: All subclasses must implement 'children' to permit easy iteration over the substatements/subexpressions of an AST node. | |
using | const_child_iterator = ConstStmtIterator |
using | child_range = llvm::iterator_range< child_iterator > |
using | const_child_range = llvm::iterator_range< const_child_iterator > |
Public Member Functions | |
GCCAsmStmt (const ASTContext &C, SourceLocation asmloc, bool issimple, bool isvolatile, unsigned numoutputs, unsigned numinputs, IdentifierInfo **names, StringLiteral **constraints, Expr **exprs, StringLiteral *asmstr, unsigned numclobbers, StringLiteral **clobbers, unsigned numlabels, SourceLocation rparenloc) | |
GCCAsmStmt (EmptyShell Empty) | |
Build an empty inline-assembly statement. | |
SourceLocation | getRParenLoc () const |
void | setRParenLoc (SourceLocation L) |
const StringLiteral * | getAsmString () const |
StringLiteral * | getAsmString () |
void | setAsmString (StringLiteral *E) |
unsigned | AnalyzeAsmString (SmallVectorImpl< AsmStringPiece > &Pieces, const ASTContext &C, unsigned &DiagOffs) const |
AnalyzeAsmString - Analyze the asm string of the current asm, decomposing it into pieces. | |
std::string | generateAsmString (const ASTContext &C) const |
Assemble final IR asm string. | |
IdentifierInfo * | getOutputIdentifier (unsigned i) const |
StringRef | getOutputName (unsigned i) const |
StringRef | getOutputConstraint (unsigned i) const |
getOutputConstraint - Return the constraint string for the specified output operand. | |
const StringLiteral * | getOutputConstraintLiteral (unsigned i) const |
StringLiteral * | getOutputConstraintLiteral (unsigned i) |
Expr * | getOutputExpr (unsigned i) |
const Expr * | getOutputExpr (unsigned i) const |
IdentifierInfo * | getInputIdentifier (unsigned i) const |
StringRef | getInputName (unsigned i) const |
StringRef | getInputConstraint (unsigned i) const |
getInputConstraint - Return the specified input constraint. | |
const StringLiteral * | getInputConstraintLiteral (unsigned i) const |
StringLiteral * | getInputConstraintLiteral (unsigned i) |
Expr * | getInputExpr (unsigned i) |
void | setInputExpr (unsigned i, Expr *E) |
const Expr * | getInputExpr (unsigned i) const |
bool | isAsmGoto () const |
unsigned | getNumLabels () const |
IdentifierInfo * | getLabelIdentifier (unsigned i) const |
AddrLabelExpr * | getLabelExpr (unsigned i) const |
StringRef | getLabelName (unsigned i) const |
labels_iterator | begin_labels () |
labels_iterator | end_labels () |
labels_range | labels () |
const_labels_iterator | begin_labels () const |
const_labels_iterator | end_labels () const |
labels_const_range | labels () const |
int | getNamedOperand (StringRef SymbolicName) const |
getNamedOperand - Given a symbolic operand reference like %[foo], translate this into a numeric value needed to reference the same operand. | |
StringRef | getClobber (unsigned i) const |
StringLiteral * | getClobberStringLiteral (unsigned i) |
const StringLiteral * | getClobberStringLiteral (unsigned i) const |
SourceLocation | getBeginLoc () const LLVM_READONLY |
SourceLocation | getEndLoc () const LLVM_READONLY |
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AsmStmt (StmtClass SC, EmptyShell Empty) | |
Build an empty inline-assembly statement. | |
SourceLocation | getAsmLoc () const |
void | setAsmLoc (SourceLocation L) |
bool | isSimple () const |
void | setSimple (bool V) |
bool | isVolatile () const |
void | setVolatile (bool V) |
SourceLocation | getBeginLoc () const LLVM_READONLY |
SourceLocation | getEndLoc () const LLVM_READONLY |
std::string | generateAsmString (const ASTContext &C) const |
Assemble final IR asm string. | |
unsigned | getNumOutputs () const |
StringRef | getOutputConstraint (unsigned i) const |
getOutputConstraint - Return the constraint string for the specified output operand. | |
bool | isOutputPlusConstraint (unsigned i) const |
isOutputPlusConstraint - Return true if the specified output constraint is a "+" constraint (which is both an input and an output) or false if it is an "=" constraint (just an output). | |
const Expr * | getOutputExpr (unsigned i) const |
unsigned | getNumPlusOperands () const |
getNumPlusOperands - Return the number of output operands that have a "+" constraint. | |
unsigned | getNumInputs () const |
StringRef | getInputConstraint (unsigned i) const |
getInputConstraint - Return the specified input constraint. | |
const Expr * | getInputExpr (unsigned i) const |
unsigned | getNumClobbers () const |
StringRef | getClobber (unsigned i) const |
inputs_iterator | begin_inputs () |
inputs_iterator | end_inputs () |
inputs_range | inputs () |
const_inputs_iterator | begin_inputs () const |
const_inputs_iterator | end_inputs () const |
inputs_const_range | inputs () const |
outputs_iterator | begin_outputs () |
outputs_iterator | end_outputs () |
outputs_range | outputs () |
const_outputs_iterator | begin_outputs () const |
const_outputs_iterator | end_outputs () const |
outputs_const_range | outputs () const |
child_range | children () |
const_child_range | children () const |
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void * | operator new (size_t bytes, const ASTContext &C, unsigned alignment=8) |
void * | operator new (size_t bytes, const ASTContext *C, unsigned alignment=8) |
void * | operator new (size_t bytes, void *mem) noexcept |
void | operator delete (void *, const ASTContext &, unsigned) noexcept |
void | operator delete (void *, const ASTContext *, unsigned) noexcept |
void | operator delete (void *, size_t) noexcept |
void | operator delete (void *, void *) noexcept |
Stmt ()=delete | |
Stmt (const Stmt &)=delete | |
Stmt (Stmt &&)=delete | |
Stmt & | operator= (const Stmt &)=delete |
Stmt & | operator= (Stmt &&)=delete |
Stmt (StmtClass SC) | |
StmtClass | getStmtClass () const |
const char * | getStmtClassName () const |
SourceRange | getSourceRange () const LLVM_READONLY |
SourceLocation tokens are not useful in isolation - they are low level value objects created/interpreted by SourceManager. | |
SourceLocation | getBeginLoc () const LLVM_READONLY |
SourceLocation | getEndLoc () const LLVM_READONLY |
void | dump () const |
Dumps the specified AST fragment and all subtrees to llvm::errs() . | |
void | dump (raw_ostream &OS, const ASTContext &Context) const |
int64_t | getID (const ASTContext &Context) const |
void | dumpColor () const |
dumpColor - same as dump(), but forces color highlighting. | |
void | dumpPretty (const ASTContext &Context) const |
dumpPretty/printPretty - These two methods do a "pretty print" of the AST back to its original source language syntax. | |
void | printPretty (raw_ostream &OS, PrinterHelper *Helper, const PrintingPolicy &Policy, unsigned Indentation=0, StringRef NewlineSymbol="\n", const ASTContext *Context=nullptr) const |
void | printPrettyControlled (raw_ostream &OS, PrinterHelper *Helper, const PrintingPolicy &Policy, unsigned Indentation=0, StringRef NewlineSymbol="\n", const ASTContext *Context=nullptr) const |
void | printJson (raw_ostream &Out, PrinterHelper *Helper, const PrintingPolicy &Policy, bool AddQuotes) const |
Pretty-prints in JSON format. | |
void | viewAST () const |
viewAST - Visualize an AST rooted at this Stmt* using GraphViz. | |
Stmt * | IgnoreContainers (bool IgnoreCaptured=false) |
Skip no-op (attributed, compound) container stmts and skip captured stmt at the top, if IgnoreCaptured is true. | |
const Stmt * | IgnoreContainers (bool IgnoreCaptured=false) const |
const Stmt * | stripLabelLikeStatements () const |
Strip off all label-like statements. | |
Stmt * | stripLabelLikeStatements () |
child_range | children () |
const_child_range | children () const |
child_iterator | child_begin () |
child_iterator | child_end () |
const_child_iterator | child_begin () const |
const_child_iterator | child_end () const |
void | Profile (llvm::FoldingSetNodeID &ID, const ASTContext &Context, bool Canonical, bool ProfileLambdaExpr=false) const |
Produce a unique representation of the given statement. | |
void | ProcessODRHash (llvm::FoldingSetNodeID &ID, ODRHash &Hash) const |
Calculate a unique representation for a statement that is stable across compiler invocations. | |
Static Public Member Functions | |
static bool | classof (const Stmt *T) |
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static bool | classof (const Stmt *T) |
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static void | addStmtClass (const StmtClass s) |
static void | EnableStatistics () |
static void | PrintStats () |
static Likelihood | getLikelihood (ArrayRef< const Attr * > Attrs) |
static Likelihood | getLikelihood (const Stmt *S) |
static const Attr * | getLikelihoodAttr (const Stmt *S) |
static Likelihood | getLikelihood (const Stmt *Then, const Stmt *Else) |
static std::tuple< bool, const Attr *, const Attr * > | determineLikelihoodConflict (const Stmt *Then, const Stmt *Else) |
Friends | |
class | ASTStmtReader |
using clang::GCCAsmStmt::labels_const_range = llvm::iterator_range<const_labels_iterator> |
using clang::GCCAsmStmt::labels_range = llvm::iterator_range<labels_iterator> |
GCCAsmStmt::GCCAsmStmt | ( | const ASTContext & | C, |
SourceLocation | asmloc, | ||
bool | issimple, | ||
bool | isvolatile, | ||
unsigned | numoutputs, | ||
unsigned | numinputs, | ||
IdentifierInfo ** | names, | ||
StringLiteral ** | constraints, | ||
Expr ** | exprs, | ||
StringLiteral * | asmstr, | ||
unsigned | numclobbers, | ||
StringLiteral ** | clobbers, | ||
unsigned | numlabels, | ||
SourceLocation | rparenloc | ||
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Definition at line 848 of file Stmt.cpp.
References clang::C, clang::AsmStmt::Exprs, clang::AsmStmt::NumClobbers, clang::NumConstraints, clang::AsmStmt::NumInputs, and clang::AsmStmt::NumOutputs.
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unsigned GCCAsmStmt::AnalyzeAsmString | ( | SmallVectorImpl< AsmStringPiece > & | Pieces, |
const ASTContext & | C, | ||
unsigned & | DiagOffs | ||
) | const |
AnalyzeAsmString - Analyze the asm string of the current asm, decomposing it into pieces.
If the asm string is erroneous, emit errors and return true, otherwise return false. This handles canonicalization and translation of strings from GCC syntax to LLVM IR syntax, and handles
If the asm string is erroneous, emit errors and return true, otherwise return false.
Definition at line 602 of file Stmt.cpp.
References Begin, clang::C, getAsmString(), clang::StringLiteral::getLocationOfByte(), getNamedOperand(), clang::AsmStmt::getNumInputs(), getNumLabels(), clang::AsmStmt::getNumOutputs(), clang::AsmStmt::getNumPlusOperands(), clang::StringLiteral::getString(), clang::TargetInfo::handleAsmEscapedChar(), clang::isDigit(), clang::isLetter(), clang::AsmStmt::isSimple(), clang::Result, and SM.
Referenced by generateAsmString().
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Definition at line 3428 of file Stmt.h.
References clang::AsmStmt::Exprs, clang::AsmStmt::NumInputs, and clang::AsmStmt::NumOutputs.
Referenced by labels().
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Definition at line 3440 of file Stmt.h.
References clang::AsmStmt::Exprs, clang::AsmStmt::NumInputs, and clang::AsmStmt::NumOutputs.
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Definition at line 3432 of file Stmt.h.
References clang::AsmStmt::Exprs, clang::AsmStmt::NumInputs, and clang::AsmStmt::NumOutputs.
Referenced by labels().
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Definition at line 3444 of file Stmt.h.
References clang::AsmStmt::Exprs, clang::AsmStmt::NumInputs, and clang::AsmStmt::NumOutputs.
std::string GCCAsmStmt::generateAsmString | ( | const ASTContext & | C | ) | const |
Assemble final IR asm string.
Assemble final IR asm string (GCC-style).
Definition at line 785 of file Stmt.cpp.
References AnalyzeAsmString(), and clang::C.
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Definition at line 3292 of file Stmt.h.
Referenced by AnalyzeAsmString().
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Definition at line 3478 of file Stmt.h.
References clang::AsmStmt::AsmLoc.
StringRef GCCAsmStmt::getClobber | ( | unsigned | i | ) | const |
Definition at line 505 of file Stmt.cpp.
References getClobberStringLiteral(), and clang::StringLiteral::getString().
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Definition at line 3473 of file Stmt.h.
Referenced by getClobber().
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StringRef GCCAsmStmt::getInputConstraint | ( | unsigned | i | ) | const |
getInputConstraint - Return the specified input constraint.
Unlike output constraints, these can be empty.
Definition at line 538 of file Stmt.cpp.
References getInputConstraintLiteral(), and clang::StringLiteral::getString().
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Definition at line 3396 of file Stmt.h.
References clang::AsmStmt::NumOutputs.
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Definition at line 3393 of file Stmt.h.
References clang::AsmStmt::NumOutputs.
Referenced by getInputConstraint().
Definition at line 520 of file Stmt.cpp.
References clang::AsmStmt::Exprs, and clang::AsmStmt::NumOutputs.
Referenced by getInputExpr().
Definition at line 3403 of file Stmt.h.
References getInputExpr().
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Definition at line 3380 of file Stmt.h.
References clang::AsmStmt::NumOutputs.
Referenced by getInputName().
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Definition at line 3384 of file Stmt.h.
References getInputIdentifier().
Referenced by getNamedOperand().
AddrLabelExpr * GCCAsmStmt::getLabelExpr | ( | unsigned | i | ) | const |
Definition at line 528 of file Stmt.cpp.
References clang::AsmStmt::Exprs, clang::AsmStmt::NumInputs, and clang::AsmStmt::NumOutputs.
Referenced by getLabelName().
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Definition at line 3417 of file Stmt.h.
References clang::AsmStmt::NumInputs, and clang::AsmStmt::NumOutputs.
StringRef GCCAsmStmt::getLabelName | ( | unsigned | i | ) | const |
Definition at line 532 of file Stmt.cpp.
References clang::AddrLabelExpr::getLabel(), getLabelExpr(), and clang::NamedDecl::getName().
Referenced by getNamedOperand().
int GCCAsmStmt::getNamedOperand | ( | StringRef | SymbolicName | ) | const |
getNamedOperand - Given a symbolic operand reference like %[foo], translate this into a numeric value needed to reference the same operand.
This returns -1 if the operand name is invalid.
Definition at line 579 of file Stmt.cpp.
References getInputName(), getLabelName(), clang::AsmStmt::getNumInputs(), getNumLabels(), clang::AsmStmt::getNumOutputs(), clang::AsmStmt::getNumPlusOperands(), getOutputName(), clang::AsmStmt::NumInputs, and clang::AsmStmt::NumOutputs.
Referenced by AnalyzeAsmString().
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Definition at line 3413 of file Stmt.h.
Referenced by AnalyzeAsmString(), and getNamedOperand().
StringRef GCCAsmStmt::getOutputConstraint | ( | unsigned | i | ) | const |
getOutputConstraint - Return the constraint string for the specified output operand.
All output constraints are known to be non-empty (either '=' or '+').
Definition at line 516 of file Stmt.cpp.
References getOutputConstraintLiteral(), and clang::StringLiteral::getString().
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Definition at line 3365 of file Stmt.h.
Referenced by getOutputConstraint().
Definition at line 509 of file Stmt.cpp.
References clang::AsmStmt::Exprs.
Referenced by getOutputExpr().
Definition at line 3374 of file Stmt.h.
References getOutputExpr().
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Definition at line 3354 of file Stmt.h.
Referenced by getOutputName().
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Definition at line 3356 of file Stmt.h.
References getOutputIdentifier().
Referenced by getNamedOperand().
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Definition at line 3409 of file Stmt.h.
Referenced by runOnBlock().
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Definition at line 3436 of file Stmt.h.
References begin_labels(), and end_labels().
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Definition at line 3448 of file Stmt.h.
References begin_labels(), and end_labels().
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Definition at line 524 of file Stmt.cpp.
References E, clang::AsmStmt::Exprs, and clang::AsmStmt::NumOutputs.
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