Added support to write out ConstantExpr nodes.

Also, avoid asserting out when writing out an invalid tree
since the assembly writer is used when debugging.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2902 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2002-07-14 23:14:45 +00:00
parent 345e0cfb86
commit b4dbb4445c

View File

@ -12,6 +12,7 @@
#include "llvm/Assembly/Writer.h"
#include "llvm/SlotCalculator.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Instruction.h"
#include "llvm/Module.h"
#include "llvm/Constants.h"
#include "llvm/iMemory.h"
@ -150,8 +151,7 @@ static string calcTypeName(const Type *Ty, vector<const Type *> &TypeStack,
break;
}
default:
assert(0 && "Unhandled case in getTypeProps!");
Result = "<error>";
Result = "<unrecognized-type>";
}
TypeStack.pop_back(); // Remove self from stack...
@ -326,8 +326,24 @@ static void WriteConstantInt(ostream &Out, const Constant *CV, bool PrintName,
} else {
Out << "<pointer reference without context info>";
}
} else if (const ConstantExpr *CE=dyn_cast<ConstantExpr>(CV)) {
Out << CE->getOpcodeName();
bool isGEP = CE->getOpcode() == Instruction::GetElementPtr;
Out << (isGEP? " (" : " ");
for (User::const_op_iterator OI=CE->op_begin(); OI != CE->op_end(); ++OI) {
printTypeInt(Out, (*OI)->getType(), TypeTable);
WriteAsOperandInternal(Out, *OI, PrintName, TypeTable, Table);
if (OI+1 != CE->op_end())
Out << ", "; // ((isGEP && OI == CE->op_begin())? " " : ", ");
}
if (isGEP)
Out << ")";
} else {
assert(0 && "Unrecognized constant value!!!");
Out << "<placeholder or erroneous Constant>";
}
}
@ -480,7 +496,8 @@ ostream &AssemblyWriter::printTypeAtLeastOneLevel(const Type *Ty) {
} else if (const OpaqueType *OTy = dyn_cast<OpaqueType>(Ty)) {
Out << OTy->getDescription();
} else {
assert(Ty->isPrimitiveType() && "Unknown derived type!");
if (!Ty->isPrimitiveType())
Out << "<unknown derived type>";
printType(Ty);
}
return Out;