diff options
Diffstat (limited to 'clang/lib/AST/ByteCode/Compiler.cpp')
| -rw-r--r-- | clang/lib/AST/ByteCode/Compiler.cpp | 44 |
1 files changed, 41 insertions, 3 deletions
diff --git a/clang/lib/AST/ByteCode/Compiler.cpp b/clang/lib/AST/ByteCode/Compiler.cpp index 6b98927..f15b3c1 100644 --- a/clang/lib/AST/ByteCode/Compiler.cpp +++ b/clang/lib/AST/ByteCode/Compiler.cpp @@ -6432,6 +6432,13 @@ bool Compiler<Emitter>::visitFunc(const FunctionDecl *F) { return this->emitNoRet(SourceInfo{}); } +static uint32_t getBitWidth(const Expr *E) { + assert(E->refersToBitField()); + const auto *ME = cast<MemberExpr>(E); + const auto *FD = cast<FieldDecl>(ME->getMemberDecl()); + return FD->getBitWidthValue(); +} + template <class Emitter> bool Compiler<Emitter>::VisitUnaryOperator(const UnaryOperator *E) { const Expr *SubExpr = E->getSubExpr(); @@ -6460,10 +6467,15 @@ bool Compiler<Emitter>::VisitUnaryOperator(const UnaryOperator *E) { return DiscardResult ? this->emitPopPtr(E) : true; } - if (T == PT_Float) { + if (T == PT_Float) return DiscardResult ? this->emitIncfPop(getFPOptions(E), E) : this->emitIncf(getFPOptions(E), E); - } + + if (SubExpr->refersToBitField()) + return DiscardResult ? this->emitIncPopBitfield(*T, E->canOverflow(), + getBitWidth(SubExpr), E) + : this->emitIncBitfield(*T, E->canOverflow(), + getBitWidth(SubExpr), E); return DiscardResult ? this->emitIncPop(*T, E->canOverflow(), E) : this->emitInc(*T, E->canOverflow(), E); @@ -6484,9 +6496,15 @@ bool Compiler<Emitter>::VisitUnaryOperator(const UnaryOperator *E) { return DiscardResult ? this->emitPopPtr(E) : true; } - if (T == PT_Float) { + if (T == PT_Float) return DiscardResult ? this->emitDecfPop(getFPOptions(E), E) : this->emitDecf(getFPOptions(E), E); + + if (SubExpr->refersToBitField()) { + return DiscardResult ? this->emitDecPopBitfield(*T, E->canOverflow(), + getBitWidth(SubExpr), E) + : this->emitDecBitfield(*T, E->canOverflow(), + getBitWidth(SubExpr), E); } return DiscardResult ? this->emitDecPop(*T, E->canOverflow(), E) @@ -6515,6 +6533,11 @@ bool Compiler<Emitter>::VisitUnaryOperator(const UnaryOperator *E) { if (DiscardResult) { if (T == PT_Float) return this->emitIncfPop(getFPOptions(E), E); + if (SubExpr->refersToBitField()) + return DiscardResult ? this->emitIncPopBitfield(*T, E->canOverflow(), + getBitWidth(SubExpr), E) + : this->emitIncBitfield(*T, E->canOverflow(), + getBitWidth(SubExpr), E); return this->emitIncPop(*T, E->canOverflow(), E); } @@ -6530,6 +6553,11 @@ bool Compiler<Emitter>::VisitUnaryOperator(const UnaryOperator *E) { return false; if (!this->emitStoreFloat(E)) return false; + } else if (SubExpr->refersToBitField()) { + assert(isIntegralType(*T)); + if (!this->emitPreIncBitfield(*T, E->canOverflow(), getBitWidth(SubExpr), + E)) + return false; } else { assert(isIntegralType(*T)); if (!this->emitPreInc(*T, E->canOverflow(), E)) @@ -6560,6 +6588,11 @@ bool Compiler<Emitter>::VisitUnaryOperator(const UnaryOperator *E) { if (DiscardResult) { if (T == PT_Float) return this->emitDecfPop(getFPOptions(E), E); + if (SubExpr->refersToBitField()) + return DiscardResult ? this->emitDecPopBitfield(*T, E->canOverflow(), + getBitWidth(SubExpr), E) + : this->emitDecBitfield(*T, E->canOverflow(), + getBitWidth(SubExpr), E); return this->emitDecPop(*T, E->canOverflow(), E); } @@ -6575,6 +6608,11 @@ bool Compiler<Emitter>::VisitUnaryOperator(const UnaryOperator *E) { return false; if (!this->emitStoreFloat(E)) return false; + } else if (SubExpr->refersToBitField()) { + assert(isIntegralType(*T)); + if (!this->emitPreDecBitfield(*T, E->canOverflow(), getBitWidth(SubExpr), + E)) + return false; } else { assert(isIntegralType(*T)); if (!this->emitPreDec(*T, E->canOverflow(), E)) |