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Author: lattner
Date: Fri Sep 21 13:30:39 2007
New Revision: 42205
Log:
#ifdef out unsafe tracing code, which fixes PR1689
==============================================================================
--- lib/ExecutionEngine/Interpreter/Execution.cpp (original)
+++ lib/ExecutionEngine/Interpreter/Execution.cpp Fri Sep 21 13:30:39 2007
@@ -1338,20 +1338,6 @@
StackFrame.VarArgs.assign(ArgVals.begin()+i, ArgVals.end());
}
-static void PrintGenericValue(const GenericValue &Val, const Type* Ty) {
- switch (Ty->getTypeID()) {
- default: assert(0 && "Invalid GenericValue Type");
- case Type::VoidTyID: DOUT << "void"; break;
- case Type::FloatTyID: DOUT << "float " << Val.FloatVal; break;
- case Type::DoubleTyID: DOUT << "double " << Val.DoubleVal; break;
- case Type::PointerTyID: DOUT << "void* " << intptr_t(Val.PointerVal); break;
- case Type::IntegerTyID:
- DOUT << "i" << Val.IntVal.getBitWidth() << " "
- << Val.IntVal.toStringUnsigned(10)
- << " (0x" << Val.IntVal.toStringUnsigned(16) << ")\n";
- break;
- }
-}
void Interpreter::run() {
while (!ECStack.empty()) {
@@ -1364,12 +1350,28 @@
DOUT << "About to interpret: " << I;
visit(I); // Dispatch to one of the visit* methods...
+#if 0
+ // This is not safe, as visiting the instruction could lower it and free I.
#ifndef NDEBUG
if (!isa<CallInst>(I) && !isa<InvokeInst>(I) &&
I.getType() != Type::VoidTy) {
DOUT << " --> ";
- PrintGenericValue(SF.Values[&I], I.getType());
+ const GenericValue &Val = SF.Values[&I];
+ switch (I.getType()->getTypeID()) {
+ default: assert(0 && "Invalid GenericValue Type");
+ case Type::VoidTyID: DOUT << "void"; break;
+ case Type::FloatTyID: DOUT << "float " << Val.FloatVal; break;
+ case Type::DoubleTyID: DOUT << "double " << Val.DoubleVal; break;
+ case Type::PointerTyID: DOUT << "void* " << intptr_t(Val.PointerVal);
+ break;
+ case Type::IntegerTyID:
+ DOUT << "i" << Val.IntVal.getBitWidth() << " "
+ << Val.IntVal.toStringUnsigned(10)
+ << " (0x" << Val.IntVal.toStringUnsigned(16) << ")\n";
+ break;
+ }
}
#endif
+#endif
}
}
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