diff options
| -rw-r--r-- | lib/VMCore/AsmWriter.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp index 945f0b5b6c..d5a8a5c601 100644 --- a/lib/VMCore/AsmWriter.cpp +++ b/lib/VMCore/AsmWriter.cpp @@ -421,7 +421,8 @@ static void WriteConstantInt(std::ostream &Out, const Constant *CV, (StrVal[1] >= '0' && StrVal[1] <= '9'))) // Reparse stringized version! if (atof(StrVal.c_str()) == CFP->getValue()) { - Out << StrVal; return; + Out << StrVal; + return; } // Otherwise we could not reparse it to exactly the same value, so we must @@ -430,11 +431,14 @@ static void WriteConstantInt(std::ostream &Out, const Constant *CV, // Behave nicely in the face of C TBAA rules... see: // http://www.nullstone.com/htmls/category/aliastyp.htm // - double Val = CFP->getValue(); - char *Ptr = (char*)&Val; - assert(sizeof(double) == sizeof(uint64_t) && sizeof(double) == 8 && + union { + double D; + uint64_t U; + } V; + V.D = CFP->getValue(); + assert(sizeof(double) == sizeof(uint64_t) && "assuming that double is 64 bits!"); - Out << "0x" << utohexstr(*(uint64_t*)Ptr); + Out << "0x" << utohexstr(V.U); } else if (isa<ConstantAggregateZero>(CV)) { Out << "zeroinitializer"; |