shader: Fix conditional execution of exit instructions
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7496bbf758
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622d676202
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@ -322,12 +322,13 @@ CFG::AnalysisState CFG::AnalyzeInst(Block* block, FunctionId function_id, Locati
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return AnalysisState::Continue;
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}
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const IR::Condition cond{static_cast<IR::Pred>(pred.index), pred.negated};
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AnalyzeCondInst(block, function_id, pc, EndClass::Branch, cond);
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AnalyzeCondInst(block, function_id, pc, EndClass::Branch, cond, true);
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return AnalysisState::Branch;
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}
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void CFG::AnalyzeCondInst(Block* block, FunctionId function_id, Location pc,
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EndClass insn_end_class, IR::Condition cond) {
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EndClass insn_end_class, IR::Condition cond,
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bool visit_conditional_inst) {
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if (block->begin != pc) {
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// If the block doesn't start in the conditional instruction
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// mark it as a label to visit it later
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@ -354,7 +355,7 @@ void CFG::AnalyzeCondInst(Block* block, FunctionId function_id, Location pc,
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// Impersonate the visited block with a virtual block
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*block = std::move(virtual_block);
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// Set the end properties of the conditional instruction
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conditional_block->end = pc + 1;
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conditional_block->end = visit_conditional_inst ? (pc + 1) : pc;
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conditional_block->end_class = insn_end_class;
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// Add a label to the instruction after the conditional instruction
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Block* const endif_block{AddLabel(conditional_block, block->stack, pc + 1, function_id)};
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@ -423,7 +424,7 @@ CFG::AnalysisState CFG::AnalyzeEXIT(Block* block, FunctionId function_id, Locati
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throw NotImplementedException("Conditional EXIT with PEXIT token");
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}
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const IR::Condition cond{flow_test, static_cast<IR::Pred>(pred.index), pred.negated};
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AnalyzeCondInst(block, function_id, pc, EndClass::Exit, cond);
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AnalyzeCondInst(block, function_id, pc, EndClass::Exit, cond, false);
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return AnalysisState::Branch;
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}
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if (const std::optional<Location> exit_pc{block->stack.Peek(Token::PEXIT)}) {
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@ -128,7 +128,7 @@ private:
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AnalysisState AnalyzeInst(Block* block, FunctionId function_id, Location pc);
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void AnalyzeCondInst(Block* block, FunctionId function_id, Location pc, EndClass insn_end_class,
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IR::Condition cond);
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IR::Condition cond, bool visit_conditional_inst);
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/// Return true when the branch instruction is confirmed to be a branch
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bool AnalyzeBranch(Block* block, FunctionId function_id, Location pc, Instruction inst,
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