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shader: Initial implementation of an AST

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This commit is contained in:
ReinUsesLisp 2021-02-11 16:39:06 -03:00 • committed by ameerj
parent 2930dccecc
commit 9170200a11
33 changed files with 1347 additions and 591 deletions
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23
src/shader_recompiler/frontend/ir/ir_emitter.h
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@ -16,11 +16,11 @@ namespace Shader::IR {
class IREmitter {
public:
explicit IREmitter(Block& block_) : block{block_}, insertion_point{block.end()} {}
explicit IREmitter(Block& block_) : block{&block_}, insertion_point{block->end()} {}
explicit IREmitter(Block& block_, Block::iterator insertion_point_)
: block{block_}, insertion_point{insertion_point_} {}
: block{&block_}, insertion_point{insertion_point_} {}
Block& block;
Block* block;
[[nodiscard]] U1 Imm1(bool value) const;
[[nodiscard]] U8 Imm8(u8 value) const;
@ -31,11 +31,11 @@ public:
[[nodiscard]] U64 Imm64(u64 value) const;
[[nodiscard]] F64 Imm64(f64 value) const;
void Branch(IR::Block* label);
void BranchConditional(const U1& cond, IR::Block* true_label, IR::Block* false_label);
void Exit();
void Branch(Block* label);
void BranchConditional(const U1& condition, Block* true_label, Block* false_label);
void LoopMerge(Block* merge_block, Block* continue_target);
void SelectionMerge(Block* merge_block);
void Return();
void Unreachable();
[[nodiscard]] U32 GetReg(IR::Reg reg);
void SetReg(IR::Reg reg, const U32& value);
@ -43,6 +43,9 @@ public:
[[nodiscard]] U1 GetPred(IR::Pred pred, bool is_negated = false);
void SetPred(IR::Pred pred, const U1& value);
[[nodiscard]] U1 GetGotoVariable(u32 id);
void SetGotoVariable(u32 id, const U1& value);
[[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset);
[[nodiscard]] U1 GetZFlag();
@ -55,6 +58,8 @@ public:
void SetCFlag(const U1& value);
void SetOFlag(const U1& value);
[[nodiscard]] U1 Condition(IR::Condition cond);
[[nodiscard]] F32 GetAttribute(IR::Attribute attribute);
void SetAttribute(IR::Attribute attribute, const F32& value);
@ -168,7 +173,7 @@ private:
template <typename T = Value, typename... Args>
T Inst(Opcode op, Args... args) {
auto it{block.PrependNewInst(insertion_point, op, {Value{args}...})};
auto it{block->PrependNewInst(insertion_point, op, {Value{args}...})};
return T{Value{&*it}};
}
@ -184,7 +189,7 @@ private:
T Inst(Opcode op, Flags<FlagType> flags, Args... args) {
u64 raw_flags{};
std::memcpy(&raw_flags, &flags.proxy, sizeof(flags.proxy));
auto it{block.PrependNewInst(insertion_point, op, {Value{args}...}, raw_flags)};
auto it{block->PrependNewInst(insertion_point, op, {Value{args}...}, raw_flags)};
return T{Value{&*it}};
}
};