Final bugfix for PR724. GCC won't inline varargs functions, so use one to

validate the prototype of intrinsic functions.  This prevents GCC from going
crazy and inlining too much stuff, eventually running out of memory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27283 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp
index f53c8ea8c989974402e326674462506275a23b80..1da361c9340e85f1dc5adda979d87ea8ec43c4d6 100644 (file)
--- a/utils/TableGen/IntrinsicEmitter.cpp
+++ b/utils/TableGen/IntrinsicEmitter.cpp
@@ -108,22 +108,14 @@ EmitIntrinsicToNameTable(const std::vector<CodeGenIntrinsic> &Ints,
   OS << "#endif\n\n";
 }
 
-static void EmitTypeVerify(std::ostream &OS, const std::string &Val,
-                           Record *ArgType) {
-  OS << "    Assert1(" << Val << "->getTypeID() == "
-     << ArgType->getValueAsString("TypeVal") << ",\n"
-     << "            \"Illegal intrinsic type!\", IF);\n";
+static void EmitTypeVerify(std::ostream &OS, Record *ArgType) {
+  OS << "(int)" << ArgType->getValueAsString("TypeVal") << ", ";
 
   // If this is a packed type, check that the subtype and size are correct.
   if (ArgType->isSubClassOf("LLVMPackedType")) {
     Record *SubType = ArgType->getValueAsDef("ElTy");
-    OS << "    Assert1(cast<PackedType>(" << Val
-       << ")->getElementType()->getTypeID() == "
-       << SubType->getValueAsString("TypeVal") << ",\n"
-       << "            \"Illegal intrinsic type!\", IF);\n";
-    OS << "    Assert1(cast<PackedType>(" << Val << ")->getNumElements() == "
-       << ArgType->getValueAsInt("NumElts") << ",\n"
-       << "            \"Illegal intrinsic type!\", IF);\n";
+    OS << "(int)" << SubType->getValueAsString("TypeVal") << ", "
+       << ArgType->getValueAsInt("NumElts") << ", ";
   }
 }
 
@@ -170,12 +162,12 @@ void IntrinsicEmitter::EmitVerifier(const std::vector<CodeGenIntrinsic> &Ints,
       OS << "  case Intrinsic::" << Ints[I->second[i]].EnumName << ":\t\t// "
          << Ints[I->second[i]].Name << "\n";
     }
+    
     const std::vector<Record*> &ArgTypes = I->first;
-    OS << "    Assert1(FTy->getNumParams() == " << ArgTypes.size()-1 << ",\n"
-       << "            \"Illegal # arguments for intrinsic function!\", IF);\n";
-    EmitTypeVerify(OS, "FTy->getReturnType()", ArgTypes[0]);
-    for (unsigned j = 1; j != ArgTypes.size(); ++j)
-      EmitTypeVerify(OS, "FTy->getParamType(" + utostr(j-1) + ")", ArgTypes[j]);
+    OS << "    VerifyIntrinsicPrototype(IF, ";
+    for (unsigned j = 0; j != ArgTypes.size(); ++j)
+      EmitTypeVerify(OS, ArgTypes[j]);
+    OS << "-1);\n";
     OS << "    break;\n";
   }
   OS << "  }\n";