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-rw-r--r--lib/AST/Stmt.cpp91
1 files changed, 53 insertions, 38 deletions
diff --git a/lib/AST/Stmt.cpp b/lib/AST/Stmt.cpp
index 116291bfa1ef..0a4d403106bd 100644
--- a/lib/AST/Stmt.cpp
+++ b/lib/AST/Stmt.cpp
@@ -1,9 +1,8 @@
//===- Stmt.cpp - Statement AST Node Implementation -----------------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@@ -118,30 +117,6 @@ void Stmt::EnableStatistics() {
StatisticsEnabled = true;
}
-Stmt *Stmt::IgnoreImplicit() {
- Stmt *s = this;
-
- Stmt *lasts = nullptr;
-
- while (s != lasts) {
- lasts = s;
-
- if (auto *fe = dyn_cast<FullExpr>(s))
- s = fe->getSubExpr();
-
- if (auto *mte = dyn_cast<MaterializeTemporaryExpr>(s))
- s = mte->GetTemporaryExpr();
-
- if (auto *bte = dyn_cast<CXXBindTemporaryExpr>(s))
- s = bte->getSubExpr();
-
- if (auto *ice = dyn_cast<ImplicitCastExpr>(s))
- s = ice->getSubExpr();
- }
-
- return s;
-}
-
/// Skip no-op (attributed, compound) container stmts and skip captured
/// stmt at the top, if \a IgnoreCaptured is true.
Stmt *Stmt::IgnoreContainers(bool IgnoreCaptured) {
@@ -345,6 +320,23 @@ CompoundStmt *CompoundStmt::CreateEmpty(const ASTContext &C,
return New;
}
+const Expr *ValueStmt::getExprStmt() const {
+ const Stmt *S = this;
+ do {
+ if (const auto *E = dyn_cast<Expr>(S))
+ return E;
+
+ if (const auto *LS = dyn_cast<LabelStmt>(S))
+ S = LS->getSubStmt();
+ else if (const auto *AS = dyn_cast<AttributedStmt>(S))
+ S = AS->getSubStmt();
+ else
+ llvm_unreachable("unknown kind of ValueStmt");
+ } while (isa<ValueStmt>(S));
+
+ return nullptr;
+}
+
const char *LabelStmt::getName() const {
return getDecl()->getIdentifier()->getNameStart();
}
@@ -452,6 +444,14 @@ void GCCAsmStmt::setInputExpr(unsigned i, Expr *E) {
Exprs[i + NumOutputs] = E;
}
+AddrLabelExpr *GCCAsmStmt::getLabelExpr(unsigned i) const {
+ return cast<AddrLabelExpr>(Exprs[i + NumInputs]);
+}
+
+StringRef GCCAsmStmt::getLabelName(unsigned i) const {
+ return getLabelExpr(i)->getLabel()->getName();
+}
+
/// getInputConstraint - Return the specified input constraint. Unlike output
/// constraints, these can be empty.
StringRef GCCAsmStmt::getInputConstraint(unsigned i) const {
@@ -464,13 +464,16 @@ void GCCAsmStmt::setOutputsAndInputsAndClobbers(const ASTContext &C,
Stmt **Exprs,
unsigned NumOutputs,
unsigned NumInputs,
+ unsigned NumLabels,
StringLiteral **Clobbers,
unsigned NumClobbers) {
this->NumOutputs = NumOutputs;
this->NumInputs = NumInputs;
this->NumClobbers = NumClobbers;
+ this->NumLabels = NumLabels;
+ assert(!(NumOutputs && NumLabels) && "asm goto cannot have outputs");
- unsigned NumExprs = NumOutputs + NumInputs;
+ unsigned NumExprs = NumOutputs + NumInputs + NumLabels;
C.Deallocate(this->Names);
this->Names = new (C) IdentifierInfo*[NumExprs];
@@ -480,9 +483,10 @@ void GCCAsmStmt::setOutputsAndInputsAndClobbers(const ASTContext &C,
this->Exprs = new (C) Stmt*[NumExprs];
std::copy(Exprs, Exprs + NumExprs, this->Exprs);
+ unsigned NumConstraints = NumOutputs + NumInputs;
C.Deallocate(this->Constraints);
- this->Constraints = new (C) StringLiteral*[NumExprs];
- std::copy(Constraints, Constraints + NumExprs, this->Constraints);
+ this->Constraints = new (C) StringLiteral*[NumConstraints];
+ std::copy(Constraints, Constraints + NumConstraints, this->Constraints);
C.Deallocate(this->Clobbers);
this->Clobbers = new (C) StringLiteral*[NumClobbers];
@@ -505,6 +509,10 @@ int GCCAsmStmt::getNamedOperand(StringRef SymbolicName) const {
if (getInputName(i) == SymbolicName)
return getNumOutputs() + NumPlusOperands + i;
+ for (unsigned i = 0, e = getNumLabels(); i != e; ++i)
+ if (getLabelName(i) == SymbolicName)
+ return i + getNumInputs();
+
// Not found.
return -1;
}
@@ -622,8 +630,8 @@ unsigned GCCAsmStmt::AnalyzeAsmString(SmallVectorImpl<AsmStringPiece>&Pieces,
while (CurPtr != StrEnd && isDigit(*CurPtr))
N = N*10 + ((*CurPtr++)-'0');
- unsigned NumOperands =
- getNumOutputs() + getNumPlusOperands() + getNumInputs();
+ unsigned NumOperands = getNumOutputs() + getNumPlusOperands() +
+ getNumInputs() + getNumLabels();
if (N >= NumOperands) {
DiagOffs = CurPtr-StrStart-1;
return diag::err_asm_invalid_operand_number;
@@ -736,10 +744,12 @@ GCCAsmStmt::GCCAsmStmt(const ASTContext &C, SourceLocation asmloc,
unsigned numinputs, IdentifierInfo **names,
StringLiteral **constraints, Expr **exprs,
StringLiteral *asmstr, unsigned numclobbers,
- StringLiteral **clobbers, SourceLocation rparenloc)
+ StringLiteral **clobbers, unsigned numlabels,
+ SourceLocation rparenloc)
: AsmStmt(GCCAsmStmtClass, asmloc, issimple, isvolatile, numoutputs,
- numinputs, numclobbers), RParenLoc(rparenloc), AsmStr(asmstr) {
- unsigned NumExprs = NumOutputs + NumInputs;
+ numinputs, numclobbers),
+ RParenLoc(rparenloc), AsmStr(asmstr), NumLabels(numlabels) {
+ unsigned NumExprs = NumOutputs + NumInputs + NumLabels;
Names = new (C) IdentifierInfo*[NumExprs];
std::copy(names, names + NumExprs, Names);
@@ -747,8 +757,9 @@ GCCAsmStmt::GCCAsmStmt(const ASTContext &C, SourceLocation asmloc,
Exprs = new (C) Stmt*[NumExprs];
std::copy(exprs, exprs + NumExprs, Exprs);
- Constraints = new (C) StringLiteral*[NumExprs];
- std::copy(constraints, constraints + NumExprs, Constraints);
+ unsigned NumConstraints = NumOutputs + NumInputs;
+ Constraints = new (C) StringLiteral*[NumConstraints];
+ std::copy(constraints, constraints + NumConstraints, Constraints);
Clobbers = new (C) StringLiteral*[NumClobbers];
std::copy(clobbers, clobbers + NumClobbers, Clobbers);
@@ -1262,6 +1273,10 @@ Stmt::child_range CapturedStmt::children() {
return child_range(getStoredStmts(), getStoredStmts() + NumCaptures);
}
+Stmt::const_child_range CapturedStmt::children() const {
+ return const_child_range(getStoredStmts(), getStoredStmts() + NumCaptures);
+}
+
CapturedDecl *CapturedStmt::getCapturedDecl() {
return CapDeclAndKind.getPointer();
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-06 12:52:39 +0000