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Optimizer - Resource uses in UD chain

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This commit is contained in:
Emmanuel BENOîT 2017-12-04 07:16:32 +01:00
parent fa7fba0f98
commit ffdd3d0a63
1 changed files with 57 additions and 8 deletions
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65
c-opopt.cc
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@ -366,15 +366,15 @@ namespace {
void BUDCAddUseRecord_(
A_Node& n ,
T_String const& id ,
T_OptData& od ,
T_RootNode& root ) noexcept
{
// Find instruction and function index
auto& nId{ dynamic_cast< T_IdentifierExprNode& >( n ) };
A_FuncNode* func{ nullptr };
T_Optional< uint32_t > instrId;
A_Node* pn{ &nId };
A_Node* pn{ &n };
while ( pn ) {
auto* const asInstr{ dynamic_cast< A_InstructionNode* >( pn ) };
func = dynamic_cast< A_FuncNode* >( pn );
@ -389,10 +389,10 @@ void BUDCAddUseRecord_(
// Generate the identifier
const T_OptData::T_VarId varId{ [&]() {
auto const& n{ nId.id( ) };
if ( func->hasLocal( nId.id( ) ) ) {
auto const& n{ id };
if ( func->hasLocal( id ) ) {
return T_OptData::T_VarId{ n , func->name( ) ,
func->isArgument( nId.id( ) ) };
func->isArgument( id ) };
}
return T_OptData::T_VarId{ n };
} () };
@ -415,7 +415,7 @@ void BUDCAddUseRecord_(
od.logger( [&](){
T_StringBuilder sb;
sb << "use " << varId.name << " at " << nId.location( ) << " (";
sb << "use " << varId.name << " at " << n.location( ) << " (";
if ( varId.type == T_OptData::E_UDVarType::GLOBAL ) {
sb << "global";
} else {
@ -459,8 +459,57 @@ void T_OptData::buildUseDefineChains(
* looking at the call sites.
*/
visitor.visit( program.root , [&]( auto& n , const bool exit ) {
if ( n.type( ) == A_Node::EXPR_ID && !exit ) {
BUDCAddUseRecord_( n , *this , program.root );
if ( exit ) {
return true;
}
switch ( n.type( ) ) {
default: break;
case A_Node::EXPR_ID:
BUDCAddUseRecord_( n ,
dynamic_cast< T_IdentifierExprNode& >( n ).id( ) ,
*this , program.root );
break;
case A_Node::OP_UNIFORMS:
BUDCAddUseRecord_( n ,
dynamic_cast< T_UniformsInstrNode& >( n ).progId( ) ,
*this , program.root );
break;
case A_Node::OP_USE_TEXTURE:
BUDCAddUseRecord_( n ,
dynamic_cast< T_UseTextureInstrNode& >( n ).samplerId( ) ,
*this , program.root );
// fallthrough
case A_Node::OP_USE_PROGRAM:
case A_Node::OP_USE_PIPELINE:
case A_Node::OP_USE_FRAMEBUFFER:
BUDCAddUseRecord_( n ,
dynamic_cast< T_UseInstrNode& >( n ).id( ) ,
*this , program.root );
break;
case A_Node::OP_PIPELINE: {
auto& pln{ dynamic_cast< T_PipelineInstrNode& >( n ) };
// XXX decl
const auto np{ pln.size( ) };
for ( auto i = 0u ; i < np ; i ++ ) {
BUDCAddUseRecord_( n , pln.program( i ) ,
*this , program.root );
}
break;
}
case A_Node::TN_FBATT: {
auto& fbn{ dynamic_cast< T_FramebufferInstrNode::T_Attachment& >( n ) };
BUDCAddUseRecord_( n , fbn.id( ) ,
*this , program.root );
break;
}
}
return true;