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shader: Fix Phi node types

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ReinUsesLisp 2021-04-17 16:40:35 -03:00 committed by ameerj
parent 0a0818c025
commit 50f8007172
2 changed files with 4 additions and 4 deletions
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4
src/shader_recompiler/frontend/ir/microinstruction.cpp
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@ -275,10 +275,6 @@ void Inst::AddPhiOperand(Block* predecessor, const Value& value) {
if (!value.IsImmediate()) {
Use(value);
}
if (Flags<IR::Type>() == IR::Type::Void) {
// Set the type of the phi node
SetFlags<IR::Type>(value.Type());
}
phi_args.emplace_back(predecessor, value);
}

4
src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp
View file

@ -176,6 +176,8 @@ public:
} else if (!sealed_blocks.contains(block)) {
// Incomplete CFG
IR::Inst* phi{&*block->PrependNewInst(block->begin(), IR::Opcode::Phi)};
phi->SetFlags(IR::TypeOf(UndefOpcode(variable)));
incomplete_phis[block].insert_or_assign(variable, phi);
stack.back().result = IR::Value{&*phi};
} else if (const std::span imm_preds{block->ImmediatePredecessors()};
@ -187,6 +189,8 @@ public:
} else {
// Break potential cycles with operandless phi
IR::Inst* const phi{&*block->PrependNewInst(block->begin(), IR::Opcode::Phi)};
phi->SetFlags(IR::TypeOf(UndefOpcode(variable)));
WriteVariable(variable, block, IR::Value{phi});
stack.back().phi = phi;