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Added support to write out ConstantExpr nodes.

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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
1 changed files with 21 additions and 4 deletions
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25
lib/VMCore/AsmWriter.cpp
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@ -12,6 +12,7 @@
#include "llvm/Assembly/Writer.h" #include "llvm/Assembly/Writer.h"
#include "llvm/SlotCalculator.h" #include "llvm/SlotCalculator.h"
#include "llvm/DerivedTypes.h" #include "llvm/DerivedTypes.h"
#include "llvm/Instruction.h"
#include "llvm/Module.h" #include "llvm/Module.h"
#include "llvm/Constants.h" #include "llvm/Constants.h"
#include "llvm/iMemory.h" #include "llvm/iMemory.h"
@ -150,8 +151,7 @@ static string calcTypeName(const Type *Ty, vector<const Type *> &TypeStack,
break; break;
} }
default: default:
assert(0 && "Unhandled case in getTypeProps!"); Result = "<unrecognized-type>";
Result = "<error>";
} }
TypeStack.pop_back(); // Remove self from stack... TypeStack.pop_back(); // Remove self from stack...
@ -326,8 +326,24 @@ static void WriteConstantInt(ostream &Out, const Constant *CV, bool PrintName,
} else { } else {
Out << "<pointer reference without context info>"; 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 { } 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)) { } else if (const OpaqueType *OTy = dyn_cast<OpaqueType>(Ty)) {
Out << OTy->getDescription(); Out << OTy->getDescription();
} else { } else {
assert(Ty->isPrimitiveType() && "Unknown derived type!"); if (!Ty->isPrimitiveType())
Out << "<unknown derived type>";
printType(Ty); printType(Ty);
} }
return Out; return Out;