This revision was automatically updated to reflect the committed changes. Closed by commit rG769333aeeb45: [clang][CGExprConstant] handle unary negation on integrals (authored by nickdesaulniers).
Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D156378/new/ https://reviews.llvm.org/D156378 Files: clang/lib/CodeGen/CGExprConstant.cpp Index: clang/lib/CodeGen/CGExprConstant.cpp =================================================================== --- clang/lib/CodeGen/CGExprConstant.cpp +++ clang/lib/CodeGen/CGExprConstant.cpp @@ -1363,6 +1363,13 @@ return Visit(E->getSubExpr(), T); } + llvm::Constant *VisitUnaryMinus(UnaryOperator *U, QualType T) { + if (llvm::Constant *C = Visit(U->getSubExpr(), T)) + if (auto *CI = dyn_cast<llvm::ConstantInt>(C)) + return llvm::ConstantInt::get(CGM.getLLVMContext(), -CI->getValue()); + return nullptr; + } + // Utility methods llvm::Type *ConvertType(QualType T) { return CGM.getTypes().ConvertType(T);
Index: clang/lib/CodeGen/CGExprConstant.cpp =================================================================== --- clang/lib/CodeGen/CGExprConstant.cpp +++ clang/lib/CodeGen/CGExprConstant.cpp @@ -1363,6 +1363,13 @@ return Visit(E->getSubExpr(), T); } + llvm::Constant *VisitUnaryMinus(UnaryOperator *U, QualType T) { + if (llvm::Constant *C = Visit(U->getSubExpr(), T)) + if (auto *CI = dyn_cast<llvm::ConstantInt>(C)) + return llvm::ConstantInt::get(CGM.getLLVMContext(), -CI->getValue()); + return nullptr; + } + // Utility methods llvm::Type *ConvertType(QualType T) { return CGM.getTypes().ConvertType(T);
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