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shader: Refactor PTP and other minor changes

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This commit is contained in:
ReinUsesLisp 2021-03-26 16:46:07 -03:00 • committed by ameerj
parent b5db38f50e
commit d9c5bd9509
14 changed files with 67 additions and 123 deletions
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22
src/shader_recompiler/ir_opt/constant_propagation_pass.cpp
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@ -355,17 +355,6 @@ void FoldBranchConditional(IR::Inst& inst) {
}
}
void FoldConstantComposite(IR::Inst& inst, size_t amount = 2) {
for (size_t i = 0; i < amount; i++) {
if (!inst.Arg(i).IsConstantContainer()) {
return;
}
}
auto info{inst.Flags<IR::CompositeDecoration>()};
info.is_constant = true;
inst.SetFlags(info);
}
void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
switch (inst.Opcode()) {
case IR::Opcode::GetRegister:
@ -391,13 +380,6 @@ void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
case IR::Opcode::SelectF32:
case IR::Opcode::SelectF64:
return FoldSelect(inst);
case IR::Opcode::CompositeConstructU32x2:
case IR::Opcode::CompositeConstructF16x2:
case IR::Opcode::CompositeConstructF32x2:
case IR::Opcode::CompositeConstructF64x2:
return FoldConstantComposite(inst, 2);
case IR::Opcode::CompositeConstructArrayU32x2:
return FoldConstantComposite(inst, 4);
case IR::Opcode::FPMul32:
return FoldFPMul32(inst);
case IR::Opcode::LogicalAnd:
@ -423,12 +405,12 @@ void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
return;
case IR::Opcode::BitFieldSExtract:
FoldWhenAllImmediates(inst, [](s32 base, u32 shift, u32 count) {
const size_t back_shift = static_cast<size_t>(shift) + static_cast<size_t>(count);
const size_t back_shift{static_cast<size_t>(shift) + static_cast<size_t>(count)};
if (back_shift > Common::BitSize<s32>()) {
throw LogicError("Undefined result in {}({}, {}, {})", IR::Opcode::BitFieldSExtract,
base, shift, count);
}
const size_t left_shift = Common::BitSize<s32>() - back_shift;
const size_t left_shift{Common::BitSize<s32>() - back_shift};
return static_cast<u32>(static_cast<s32>(base << left_shift) >>
static_cast<size_t>(Common::BitSize<s32>() - count));
});