X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FVMCore%2FAsmWriter.cpp;h=4a7fde190553312aaeb7b452e7cac769e3226a56;hb=fa7494306bc6fbe16cc82a67b93e762241b26777;hp=e6576c5bf7efb0e1c5d3a351aa070c9bc35f5372;hpb=24473120a253a05f3601cd3373403b47e6d03d41;p=oota-llvm.git

diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index e6576c5bf7e..4a7fde19055 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -708,8 +708,7 @@ static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
   }
 
   if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
-    if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEhalf ||
-        &CFP->getValueAPF().getSemantics() == &APFloat::IEEEsingle ||
+    if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEsingle ||
         &CFP->getValueAPF().getSemantics() == &APFloat::IEEEdouble) {
       // We would like to output the FP constant value in exponential notation,
       // but we cannot do this if doing so will lose precision.  Check here to
@@ -719,7 +718,9 @@ static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
       bool ignored;
       bool isHalf = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEhalf;
       bool isDouble = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEdouble;
-      if (!isHalf) {
+      bool isInf = CFP->getValueAPF().isInfinity();
+      bool isNaN = CFP->getValueAPF().isNaN();
+      if (!isHalf && !isInf && !isNaN) {
         double Val = isDouble ? CFP->getValueAPF().convertToDouble() :
                                 CFP->getValueAPF().convertToFloat();
         SmallString<128> StrVal;
@@ -733,7 +734,7 @@ static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
             ((StrVal[0] == '-' || StrVal[0] == '+') &&
              (StrVal[1] >= '0' && StrVal[1] <= '9'))) {
           // Reparse stringized version!
-          if (atof(StrVal.c_str()) == Val) {
+          if (APFloat(APFloat::IEEEdouble, StrVal).convertToDouble() == Val) {
             Out << StrVal.str();
             return;
           }
@@ -757,16 +758,20 @@ static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
       return;
     }
 
-    // Some form of long double.  These appear as a magic letter identifying
-    // the type, then a fixed number of hex digits.
+    // Either half, or some form of long double.
+    // These appear as a magic letter identifying the type, then a
+    // fixed number of hex digits.
     Out << "0x";
+    // Bit position, in the current word, of the next nibble to print.
+    int shiftcount;
+
     if (&CFP->getValueAPF().getSemantics() == &APFloat::x87DoubleExtended) {
       Out << 'K';
       // api needed to prevent premature destruction
       APInt api = CFP->getValueAPF().bitcastToAPInt();
       const uint64_t* p = api.getRawData();
       uint64_t word = p[1];
-      int shiftcount=12;
+      shiftcount = 12;
       int width = api.getBitWidth();
       for (int j=0; j<width; j+=4, shiftcount-=4) {
         unsigned int nibble = (word>>shiftcount) & 15;
@@ -782,17 +787,21 @@ static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
         }
       }
       return;
-    } else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEquad)
+    } else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEquad) {
+      shiftcount = 60;
       Out << 'L';
-    else if (&CFP->getValueAPF().getSemantics() == &APFloat::PPCDoubleDouble)
+    } else if (&CFP->getValueAPF().getSemantics() == &APFloat::PPCDoubleDouble) {
+      shiftcount = 60;
       Out << 'M';
-    else
+    } else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEhalf) {
+      shiftcount = 12;
+      Out << 'H';
+    } else
       llvm_unreachable("Unsupported floating point type");
     // api needed to prevent premature destruction
     APInt api = CFP->getValueAPF().bitcastToAPInt();
     const uint64_t* p = api.getRawData();
     uint64_t word = *p;
-    int shiftcount=60;
     int width = api.getBitWidth();
     for (int j=0; j<width; j+=4, shiftcount-=4) {
       unsigned int nibble = (word>>shiftcount) & 15;
@@ -827,30 +836,21 @@ static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
   }
 
   if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
-    // As a special case, print the array as a string if it is an array of
-    // i8 with ConstantInt values.
-    //
     Type *ETy = CA->getType()->getElementType();
-    if (CA->isString()) {
-      Out << "c\"";
-      PrintEscapedString(CA->getAsString(), Out);
-      Out << '"';
-    } else {                // Cannot output in string format...
-      Out << '[';
+    Out << '[';
+    TypePrinter.print(ETy, Out);
+    Out << ' ';
+    WriteAsOperandInternal(Out, CA->getOperand(0),
+                           &TypePrinter, Machine,
+                           Context);
+    for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i) {
+      Out << ", ";
       TypePrinter.print(ETy, Out);
       Out << ' ';
-      WriteAsOperandInternal(Out, CA->getOperand(0),
-                             &TypePrinter, Machine,
+      WriteAsOperandInternal(Out, CA->getOperand(i), &TypePrinter, Machine,
                              Context);
-      for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i) {
-        Out << ", ";
-        TypePrinter.print(ETy, Out);
-        Out << ' ';
-        WriteAsOperandInternal(Out, CA->getOperand(i), &TypePrinter, Machine,
-                               Context);
-      }
-      Out << ']';
     }
+    Out << ']';
     return;
   }
   
@@ -1738,12 +1738,12 @@ void AssemblyWriter::printInstruction(const Instruction &I) {
     Out << ", ";
     writeOperand(SI.getDefaultDest(), true);
     Out << " [";
-    unsigned NumCases = SI.getNumCases();
-    for (unsigned i = 0; i < NumCases; ++i) {
+    for (SwitchInst::CaseIt i = SI.case_begin(), e = SI.case_end();
+         i != e; ++i) {
       Out << "\n    ";
-      writeOperand(SI.getCaseValue(i), true);
+      writeOperand(i.getCaseValue(), true);
       Out << ", ";
-      writeOperand(SI.getCaseSuccessor(i), true);
+      writeOperand(i.getCaseSuccessor(), true);
     }
     Out << "\n  ]";
   } else if (isa<IndirectBrInst>(I)) {
@@ -2015,7 +2015,7 @@ static void WriteMDNodeComment(const MDNode *Node,
   if (!CI) return;
   APInt Val = CI->getValue();
   APInt Tag = Val & ~APInt(Val.getBitWidth(), LLVMDebugVersionMask);
-  if (Val.ult(LLVMDebugVersion))
+  if (Val.ult(LLVMDebugVersion11))
     return;
 
   Out.PadToColumn(50);