Use MutableArrayRef for APFloat::convertToInteger

As discussed on D31074, use MutableArrayRef for destination integer buffers to help assert before stack overflows happen. llvm-svn: 298253
2017-03-20 14:40:12 +00:00
parent 195f23c53b
commit 00b34996b4
6 changed files with 63 additions and 43 deletions
--- a/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -727,7 +727,7 @@ GenericValue ExecutionEngine::getConstantValue(const Constant *C) {
        APFloat apf = APFloat(APFloat::x87DoubleExtended(), GV.IntVal);
        uint64_t v;
        bool ignored;
-        (void)apf.convertToInteger(&v, BitWidth,
+        (void)apf.convertToInteger(makeMutableArrayRef(v), BitWidth,
                                   CE->getOpcode()==Instruction::FPToSI,
                                   APFloat::rmTowardZero, &ignored);
        GV.IntVal = v; // endian?