6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-13 20:32:21 +00:00
Code Issues Projects Releases Wiki Activity

Make the asmwriter much more tolerant of errors (which are common when working

Browse Source 
on new front-ends and stuff).  Also get rid of some tabs that snuck in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14100 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-06-09 19:41:19 +00:00
parent 389174b098
commit 69566459cc
1 changed files with 23 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
lib/VMCore/AsmWriter.cpp
View File

@ -74,7 +74,7 @@ public:
/// Return the slot number of the specified value in it's type
/// plane. Its an error to ask for something not in the SlotMachine.
/// Its an error to ask for a Type*
unsigned getSlot(const Value *V, bool ignoreMissing = false ) ;
int getSlot(const Value *V);
/// Determine if a Value has a slot or not
bool hasSlot(const Value* V);
@ -525,12 +525,16 @@ static void WriteAsOperandInternal(std::ostream &Out, const Value *V,
}
Machine = createSlotMachine(V);
if (Machine == 0) { Out << "BAD VALUE TYPE!"; return; }
Slot = Machine->getSlot(V);
if (Machine == 0)
Slot = Machine->getSlot(V);
else
Slot = -1;
delete Machine;
}
Out << '%' << Slot;
if (Slot != -1)
Out << '%' << Slot;
else
Out << "<badref>";
}
}
}
@ -841,7 +845,12 @@ void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
if (BB->hasName()) { // Print out the label if it exists...
*Out << "\n" << BB->getName() << ':';
} else if (!BB->use_empty()) { // Don't print block # of no uses...
*Out << "\n; <label>:" << Machine.getSlot(BB);
*Out << "\n; <label>:";
int Slot = Machine.getSlot(BB);
if (Slot != -1)
*Out << Slot;
else
*Out << "<badref>";
}
if (BB->getParent() == 0)
@ -886,11 +895,11 @@ void AssemblyWriter::printInfoComment(const Value &V) {
printType(V.getType()) << '>';
if (!V.hasName()) {
unsigned SlotNum = Machine.getSlot(&V,true);
if ( unsigned(-1) == SlotNum )
*Out << ":??";
int SlotNum = Machine.getSlot(&V);
if (SlotNum == -1)
*Out << ":<badref>";
else
*Out << ':' << SlotNum; // Print out the def slot taken.
*Out << ':' << SlotNum; // Print out the def slot taken.
}
*Out << " [#uses=" << V.use_size() << ']'; // Output # uses
}
@ -1273,7 +1282,7 @@ void SlotMachine::purgeFunction() {
/// Get the slot number for a value. This function will assert if you
/// ask for a Value that hasn't previously been inserted with createSlot.
/// Types are forbidden because Type does not inherit from Value (any more).
unsigned SlotMachine::getSlot(const Value *V, bool ignoreMissing ) {
int SlotMachine::getSlot(const Value *V) {
assert( V && "Can't get slot for null Value" );
assert( !isa<Type>(V) && "Can't get slot for a type" );
assert(!isa<Constant>(V) || isa<GlobalValue>(V) &&
@ -1304,7 +1313,7 @@ unsigned SlotMachine::getSlot(const Value *V, bool ignoreMissing ) {
// Look up the value in the module map
ValueMap::const_iterator MVI = MI->second.map.find(V);
// If we didn't find it, it wasn't inserted
if ( ignoreMissing && MVI == MI->second.map.end()) return unsigned(-1);
if (MVI == MI->second.map.end()) return -1;
assert( MVI != MI->second.map.end() && "Value not found");
// We found it only at the module level
return MVI->second;
@ -1323,13 +1332,11 @@ unsigned SlotMachine::getSlot(const Value *V, bool ignoreMissing ) {
// have a corresponding type plane for the Value
// Make sure the type plane exists
if ( ignoreMissing && MI == mMap.end()) return unsigned(-1);
assert( MI != mMap.end() && "No such type plane!" );
if (MI == mMap.end()) return -1;
// Lookup the value in the module's map
ValueMap::const_iterator MVI = MI->second.map.find(V);
// Make sure we found it.
if ( ignoreMissing && MVI == MI->second.map.end()) return unsigned(-1);
assert( MVI != MI->second.map.end() && "Value not found" );
if (MVI == MI->second.map.end()) return -1;
// Return it.
return MVI->second;
}