//
//===----------------------------------------------------------------------===//
+#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Config/config.h"
#include "llvm/Support/SMTAPI.h"
}
SMTExprRef mkBitvector(const llvm::APSInt Int, unsigned BitWidth) override {
- const SMTSortRef Sort = getBitvectorSort(BitWidth);
- return newExprRef(
- Z3Expr(Context, Z3_mk_numeral(Context.Context, Int.toString(10).c_str(),
- toZ3Sort(*Sort).Sort)));
+ const Z3_sort Z3Sort = toZ3Sort(*getBitvectorSort(BitWidth)).Sort;
+
+ // Slow path, when 64 bits are not enough.
+ if (LLVM_UNLIKELY(Int.getBitWidth() > 64u)) {
+ SmallString<40> Buffer;
+ Int.toString(Buffer, 10);
+ return newExprRef(Z3Expr(
+ Context, Z3_mk_numeral(Context.Context, Buffer.c_str(), Z3Sort)));
+ }
+
+ const int64_t BitReprAsSigned = Int.getExtValue();
+ const uint64_t BitReprAsUnsigned =
+ reinterpret_cast<const uint64_t &>(BitReprAsSigned);
+
+ Z3_ast Literal =
+ Int.isSigned()
+ ? Z3_mk_int64(Context.Context, BitReprAsSigned, Z3Sort)
+ : Z3_mk_unsigned_int64(Context.Context, BitReprAsUnsigned, Z3Sort);
+ return newExprRef(Z3Expr(Context, Literal));
}
SMTExprRef mkFloat(const llvm::APFloat Float) override {