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nv50/ir: Add support for cloning FlowInsns, ImmediateVals and BBs.

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This commit is contained in:
Francisco Jerez 2012-04-14 21:25:22 +02:00 • committed by Christoph Bumiller
parent a05e6a3fa2
commit 784848a94d
3 changed files with 66 additions and 0 deletions
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39
src/gallium/drivers/nv50/codegen/nv50_ir.cpp
View file

@ -328,6 +328,21 @@ ImmediateValue::ImmediateValue(const ImmediateValue *proto, DataType ty)
reg.size = typeSizeof(ty);
}
ImmediateValue *
ImmediateValue::clone(ClonePolicy<Function>& pol) const
{
Program *prog = pol.context()->getProgram();
ImmediateValue *that = new_ImmediateValue(prog, 0u);
pol.set<Value>(this, that);
that->reg.size = this->reg.size;
that->reg.type = this->reg.type;
that->reg.data = this->reg.data;
return that;
}
bool
ImmediateValue::isInteger(const int i) const
{
@ -853,6 +868,30 @@ FlowInstruction::FlowInstruction(Function *fn, operation op,
allWarp = absolute = limit = 0;
}
FlowInstruction *
FlowInstruction::clone(ClonePolicy<Function>& pol, Instruction *i) const
{
FlowInstruction *flow = (i ? static_cast<FlowInstruction *>(i) :
new_FlowInstruction(pol.context(), op, NULL));
Instruction::clone(pol, flow);
flow->allWarp = allWarp;
flow->absolute = absolute;
flow->limit = limit;
flow->builtin = builtin;
if (builtin)
flow->target.builtin = target.builtin;
else
if (op == OP_CALL)
flow->target.fn = target.fn;
else
if (target.bb)
flow->target.bb = pol.get<BasicBlock>(target.bb);
return flow;
}
Program::Program(Type type, Target *arch)
: progType(type),
target(arch),

7
src/gallium/drivers/nv50/codegen/nv50_ir.h
View file

@ -550,6 +550,8 @@ public:
ImmediateValue(const ImmediateValue *, DataType ty);
~ImmediateValue() { };
virtual ImmediateValue *clone(ClonePolicy<Function>&) const;
virtual bool equals(const Value *that, bool strict) const;
// these only work if 'type' is valid (we mostly use untyped literals):
@ -812,6 +814,9 @@ class FlowInstruction : public Instruction
public:
FlowInstruction(Function *, operation, BasicBlock *target);
virtual FlowInstruction *clone(ClonePolicy<Function>&,
Instruction * = NULL) const;
public:
unsigned allWarp : 1;
unsigned absolute : 1;
@ -831,6 +836,8 @@ public:
BasicBlock(Function *);
~BasicBlock();
BasicBlock *clone(ClonePolicy<Function>&) const;
inline int getId() const { return id; }
inline unsigned int getInsnCount() const { return numInsns; }
inline bool isTerminated() const { return exit && exit->terminator; }

20
src/gallium/drivers/nv50/codegen/nv50_ir_bb.cpp
View file

@ -80,6 +80,26 @@ BasicBlock::~BasicBlock()
// nothing yet
}
BasicBlock *
BasicBlock::clone(ClonePolicy<Function>& pol) const
{
BasicBlock *bb = new BasicBlock(pol.context());
pol.set(this, bb);
for (Instruction *i = getFirst(); i; i = i->next)
bb->insertTail(i->clone(pol));
pol.context()->cfg.insert(&bb->cfg);
for (Graph::EdgeIterator it = cfg.outgoing(); !it.end(); it.next()) {
BasicBlock *obb = BasicBlock::get(it.getNode());
bb->cfg.attach(&pol.get(obb)->cfg, it.getType());
}
return bb;
}
BasicBlock *
BasicBlock::idom() const
{