Fixes for PR258 and PR259.
Functions with linkonce linkage are declared with weak linkage.
Global floating point constants used to represent unprintable values
(such as NaN and infinity) are declared static so that they don't interfere
with other CBE generated translation units.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11884 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 89819da..396cc69 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -690,6 +690,7 @@
       if (!I->getIntrinsicID()) {
         printFunctionSignature(I, true);
         if (I->hasWeakLinkage()) Out << " __ATTRIBUTE_WEAK__";
+        if (I->hasLinkOnceLinkage()) Out << " __ATTRIBUTE_WEAK__";
         Out << ";\n";
       }
     }
@@ -788,12 +789,12 @@
           
           if (FPC->getType() == Type::DoubleTy) {
             DBLUnion.D = Val;
-            Out << "const ConstantDoubleTy FPConstant" << FPCounter++
+            Out << "static const ConstantDoubleTy FPConstant" << FPCounter++
                 << " = 0x" << std::hex << DBLUnion.U << std::dec
                 << "ULL;    /* " << Val << " */\n";
           } else if (FPC->getType() == Type::FloatTy) {
             FLTUnion.F = Val;
-            Out << "const ConstantFloatTy FPConstant" << FPCounter++
+            Out << "static const ConstantFloatTy FPConstant" << FPCounter++
                 << " = 0x" << std::hex << FLTUnion.U << std::dec
                 << "U;    /* " << Val << " */\n";
           } else
@@ -890,7 +891,6 @@
 
 void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
   if (F->hasInternalLinkage()) Out << "static ";
-  if (F->hasLinkOnceLinkage()) Out << "inline ";
   
   // Loop over the arguments, printing them...
   const FunctionType *FT = cast<FunctionType>(F->getFunctionType());
diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index 89819da..396cc69 100644
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -690,6 +690,7 @@
       if (!I->getIntrinsicID()) {
         printFunctionSignature(I, true);
         if (I->hasWeakLinkage()) Out << " __ATTRIBUTE_WEAK__";
+        if (I->hasLinkOnceLinkage()) Out << " __ATTRIBUTE_WEAK__";
         Out << ";\n";
       }
     }
@@ -788,12 +789,12 @@
           
           if (FPC->getType() == Type::DoubleTy) {
             DBLUnion.D = Val;
-            Out << "const ConstantDoubleTy FPConstant" << FPCounter++
+            Out << "static const ConstantDoubleTy FPConstant" << FPCounter++
                 << " = 0x" << std::hex << DBLUnion.U << std::dec
                 << "ULL;    /* " << Val << " */\n";
           } else if (FPC->getType() == Type::FloatTy) {
             FLTUnion.F = Val;
-            Out << "const ConstantFloatTy FPConstant" << FPCounter++
+            Out << "static const ConstantFloatTy FPConstant" << FPCounter++
                 << " = 0x" << std::hex << FLTUnion.U << std::dec
                 << "U;    /* " << Val << " */\n";
           } else
@@ -890,7 +891,6 @@
 
 void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
   if (F->hasInternalLinkage()) Out << "static ";
-  if (F->hasLinkOnceLinkage()) Out << "inline ";
   
   // Loop over the arguments, printing them...
   const FunctionType *FT = cast<FunctionType>(F->getFunctionType());