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Type Prop - Second Attempt (#142)

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* setup and run on identity

* temp

* temp2

* temp

* update

* mroe

* successful in gcommon
This commit is contained in:
water111
2020-11-28 15:35:38 -05:00
committed by GitHub
parent 66956b6c3c
commit 9b32835faa
25 changed files with 1400 additions and 382 deletions
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decompiler/IR/BasicOpBuilder.cpp
+31 -2
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@@ -179,6 +179,13 @@ std::shared_ptr<IR_Atomic> try_or(Instruction& instr, int idx) {
op->write_regs.push_back(dest);
op->reg_info_set = true;
return op;
} else if (is_gpr_3(instr, InstructionKind::OR, {}, make_gpr(Reg::R0), make_gpr(Reg::R0))) {
auto dest = instr.get_dst(0).get_reg();
auto op = make_set_atomic(IR_Set_Atomic::REG_64, make_reg(dest, idx),
std::make_shared<IR_IntegerConstant>(0));
op->write_regs.push_back(dest);
op->reg_info_set = true;
return op;
} else if (is_gpr_3(instr, InstructionKind::OR, {}, {}, make_gpr(Reg::R0))) {
// set register from register : or dest, source, r0
auto dest = instr.get_dst(0).get_reg();
@@ -726,6 +733,20 @@ std::shared_ptr<IR_Atomic> try_daddiu(Instruction& instr, int idx) {
op->write_regs.push_back(instr.get_dst(0).get_reg());
op->reg_info_set = true;
return op;
} else if (instr.kind == InstructionKind::DADDIU && instr.get_src(0).is_reg(make_gpr(Reg::S7)) &&
instr.get_src(1).is_imm() && instr.get_src(1).get_imm() == -10) {
auto op = make_set_atomic(IR_Set_Atomic::REG_64, make_reg(instr.get_dst(0).get_reg(), idx),
std::make_shared<IR_EmptyPair>());
op->write_regs.push_back(instr.get_dst(0).get_reg());
op->reg_info_set = true;
return op;
} else if (instr.kind == InstructionKind::DADDIU && instr.get_src(0).is_reg(make_gpr(Reg::S7)) &&
instr.get_src(1).is_imm() && instr.get_src(1).get_imm() == -32768) {
auto op = make_set_atomic(IR_Set_Atomic::REG_64, make_reg(instr.get_dst(0).get_reg(), idx),
std::make_shared<IR_SymbolValue>("__START-OF-TABLE__"));
op->write_regs.push_back(instr.get_dst(0).get_reg());
op->reg_info_set = true;
return op;
} else if (instr.kind == InstructionKind::DADDIU && instr.get_src(0).is_reg(make_gpr(Reg::FP)) &&
instr.get_src(1).kind == InstructionAtom::LABEL) {
auto op = make_set_atomic(IR_Set_Atomic::REG_64, make_reg(instr.get_dst(0).get_reg(), idx),
@@ -745,8 +766,16 @@ std::shared_ptr<IR_Atomic> try_daddiu(Instruction& instr, int idx) {
}
std::shared_ptr<IR_Atomic> try_daddu(Instruction& instr, int idx) {
if (is_gpr_3(instr, InstructionKind::DADDU, {}, {}, {}) &&
!instr.get_src(0).is_reg(make_gpr(Reg::S7)) && !instr.get_src(1).is_reg(make_gpr(Reg::S7))) {
if (is_gpr_3(instr, InstructionKind::DADDU, {}, make_gpr(Reg::R0), {})) {
auto op = make_set_atomic(
IR_Set_Atomic::REG_64, make_reg(instr.get_dst(0).get_reg(), idx),
std::make_shared<IR_IntMath2>(IR_IntMath2::ADD, make_reg(instr.get_src(1).get_reg(), idx),
std::make_shared<IR_IntegerConstant>(0)));
op->update_reginfo_self<IR_IntMath2>(1, 1, 0);
return op;
} else if (is_gpr_3(instr, InstructionKind::DADDU, {}, {}, {}) &&
!instr.get_src(0).is_reg(make_gpr(Reg::S7)) &&
!instr.get_src(1).is_reg(make_gpr(Reg::S7))) {
auto op = make_set_atomic(
IR_Set_Atomic::REG_64, make_reg(instr.get_dst(0).get_reg(), idx),
std::make_shared<IR_IntMath2>(IR_IntMath2::ADD, make_reg(instr.get_src(0).get_reg(), idx),