Author: Timm Baeder Date: 2024-09-27T18:29:34+02:00 New Revision: 6fd870bf3585db7d9b4af5e4b95bc731bbf9c0fa
URL: https://github.com/llvm/llvm-project/commit/6fd870bf3585db7d9b4af5e4b95bc731bbf9c0fa DIFF: https://github.com/llvm/llvm-project/commit/6fd870bf3585db7d9b4af5e4b95bc731bbf9c0fa.diff LOG: [clang][bytecode] Implement zero-init for fixed point types (#110257) Added: Modified: clang/lib/AST/ByteCode/Compiler.cpp clang/lib/AST/ByteCode/FixedPoint.h clang/test/AST/ByteCode/fixed-point.cpp Removed: ################################################################################ diff --git a/clang/lib/AST/ByteCode/Compiler.cpp b/clang/lib/AST/ByteCode/Compiler.cpp index 78ba1a7eec6620..2520fe30547b23 100644 --- a/clang/lib/AST/ByteCode/Compiler.cpp +++ b/clang/lib/AST/ByteCode/Compiler.cpp @@ -3699,7 +3699,10 @@ bool Compiler<Emitter>::visitZeroInitializer(PrimType T, QualType QT, return this->emitNullMemberPtr(nullptr, E); case PT_Float: return this->emitConstFloat(APFloat::getZero(Ctx.getFloatSemantics(QT)), E); - case PT_FixedPoint: + case PT_FixedPoint: { + auto Sem = Ctx.getASTContext().getFixedPointSemantics(E->getType()); + return this->emitConstFixedPoint(FixedPoint::Zero(Sem), E); + } llvm_unreachable("Implement"); } llvm_unreachable("unknown primitive type"); diff --git a/clang/lib/AST/ByteCode/FixedPoint.h b/clang/lib/AST/ByteCode/FixedPoint.h index fba793cd59e7e1..9dd300c3dbf6df 100644 --- a/clang/lib/AST/ByteCode/FixedPoint.h +++ b/clang/lib/AST/ByteCode/FixedPoint.h @@ -32,6 +32,10 @@ class FixedPoint final { : V(APInt(0, 0ULL, false), llvm::FixedPointSemantics(0, 0, false, false, false)) {} + static FixedPoint Zero(llvm::FixedPointSemantics Sem) { + return FixedPoint(APInt(Sem.getWidth(), 0ULL, Sem.isSigned()), Sem); + } + operator bool() const { return V.getBoolValue(); } template <typename Ty, typename = std::enable_if_t<std::is_integral_v<Ty>>> explicit operator Ty() const { diff --git a/clang/test/AST/ByteCode/fixed-point.cpp b/clang/test/AST/ByteCode/fixed-point.cpp index 42ebdf64e1a9fe..bf1bd41783448f 100644 --- a/clang/test/AST/ByteCode/fixed-point.cpp +++ b/clang/test/AST/ByteCode/fixed-point.cpp @@ -9,3 +9,6 @@ static_assert(1.0k == 1.0k); static_assert(1.0k != 1.0k); // both-error {{failed due to requirement '1.0k != 1.0k'}} static_assert(-12.0k == -(-(-12.0k))); +/// Zero-init. +constexpr _Accum A{}; +static_assert(A == 0.0k); _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
