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shader: reuse initial SSA types

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This commit is contained in:
nmzik
2026-09-08 11:43:37 +04:00
parent 72963b01e1
commit 4d371d5f5f
1 changed files with 2 additions and 42 deletions
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src/graphics/shader/recompiler/ir/passes/SsaRewrite.cpp
+2 -42
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@@ -123,46 +123,6 @@ struct DefTable {
std::unordered_map<uint32_t, ValueMap> goto_variables; std::unordered_map<uint32_t, ValueMap> goto_variables;
}; };
ValueOpcode UndefOpcode(ScalarReg) {
return ValueOpcode::UndefU32;
}
ValueOpcode UndefOpcode(ThreadBitScalarReg) {
return ValueOpcode::UndefU1;
}
ValueOpcode UndefOpcode(ScalarMaskTag) {
return ValueOpcode::UndefU1;
}
ValueOpcode UndefOpcode(VectorReg) {
return ValueOpcode::UndefU32;
}
ValueOpcode UndefOpcode(GotoVariable) {
return ValueOpcode::UndefU1;
}
ValueOpcode UndefOpcode(SccTag) {
return ValueOpcode::UndefU1;
}
ValueOpcode UndefOpcode(ExecTag) {
return ValueOpcode::UndefU1;
}
ValueOpcode UndefOpcode(ExecLoTag) {
return ValueOpcode::UndefU32;
}
ValueOpcode UndefOpcode(ExecHiTag) {
return ValueOpcode::UndefU32;
}
ValueOpcode UndefOpcode(VccTag) {
return ValueOpcode::UndefU1;
}
ValueOpcode UndefOpcode(VccLoTag) {
return ValueOpcode::UndefU32;
}
ValueOpcode UndefOpcode(VccHiTag) {
return ValueOpcode::UndefU32;
}
ValueOpcode UndefOpcode(M0Tag) {
return ValueOpcode::UndefU32;
}
Value InitialValue(ScalarReg) { Value InitialValue(ScalarReg) {
return Value(0u); return Value(0u);
} }
@@ -248,7 +208,7 @@ public:
state.result = def; state.result = def;
} else if (!block->IsSsaSealed()) { } else if (!block->IsSsaSealed()) {
auto& phi = *block->PrependNewInst(block->begin(), ValueOpcode::Phi); auto& phi = *block->PrependNewInst(block->begin(), ValueOpcode::Phi);
phi.SetFlags(TypeOf(UndefOpcode(variable))); phi.SetFlags(InitialValue(variable).GetType());
incomplete_phis[block][Variable(variable)] = &phi; incomplete_phis[block][Variable(variable)] = &phi;
state.result = Value(&phi); state.result = Value(&phi);
} else if (const auto predecessors = block->ImmPredecessors(); } else if (const auto predecessors = block->ImmPredecessors();
@@ -258,7 +218,7 @@ public:
break; break;
} else { } else {
auto& phi = *block->PrependNewInst(block->begin(), ValueOpcode::Phi); auto& phi = *block->PrependNewInst(block->begin(), ValueOpcode::Phi);
phi.SetFlags(TypeOf(UndefOpcode(variable))); phi.SetFlags(InitialValue(variable).GetType());
Write(variable, block, Value(&phi)); Write(variable, block, Value(&phi));
state.phi = &phi; state.phi = &phi;
prepare_phi(); prepare_phi();