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glasm: Rework control flow introducing a syntax list

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This commit regresses VertexA shaders, their transformation pass has to
be adapted to the new control flow.
This commit is contained in:
ReinUsesLisp
2021-05-14 00:40:54 -03:00
committed by ameerj
parent 7ff5851608
commit d54d7de40e
33 changed files with 437 additions and 505 deletions
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20
src/shader_recompiler/ir_opt/constant_propagation_pass.cpp
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@ -353,24 +353,6 @@ IR::Value EvalImmediates(const IR::Inst& inst, Func&& func, std::index_sequence<
return IR::Value{func(Arg<typename Traits::template ArgType<I>>(inst.Arg(I))...)};
}
void FoldBranchConditional(IR::Inst& inst) {
const IR::U1 cond{inst.Arg(0)};
if (cond.IsImmediate()) {
// TODO: Convert to Branch
return;
}
const IR::Inst* cond_inst{cond.InstRecursive()};
if (cond_inst->GetOpcode() == IR::Opcode::LogicalNot) {
const IR::Value true_label{inst.Arg(1)};
const IR::Value false_label{inst.Arg(2)};
// Remove negation on the conditional (take the parameter out of LogicalNot) and swap
// the branches
inst.SetArg(0, cond_inst->Arg(0));
inst.SetArg(1, false_label);
inst.SetArg(2, true_label);
}
}
std::optional<IR::Value> FoldCompositeExtractImpl(IR::Value inst_value, IR::Opcode insert,
IR::Opcode construct, u32 first_index) {
IR::Inst* const inst{inst_value.InstRecursive()};
@ -581,8 +563,6 @@ void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
return (base & ~(~(~0u << bits) << offset)) | (insert << offset);
});
return;
case IR::Opcode::BranchConditional:
return FoldBranchConditional(inst);
case IR::Opcode::CompositeExtractF32x2:
return FoldCompositeExtract(inst, IR::Opcode::CompositeConstructF32x2,
IR::Opcode::CompositeInsertF32x2);