Files
Xenia-Canary/src/alloy/compiler/passes/validation_pass.cc

118 lines
2.8 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2014 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <alloy/compiler/passes/validation_pass.h>
#include <alloy/backend/backend.h>
#include <alloy/compiler/compiler.h>
#include <alloy/runtime/runtime.h>
namespace alloy {
namespace compiler {
namespace passes {
// TODO(benvanik): remove when enums redefined.
using namespace alloy::hir;
using alloy::hir::Block;
using alloy::hir::HIRBuilder;
using alloy::hir::Instr;
using alloy::hir::OpcodeSignatureType;
using alloy::hir::Value;
ValidationPass::ValidationPass() : CompilerPass() {}
ValidationPass::~ValidationPass() {}
int ValidationPass::Run(HIRBuilder* builder) {
SCOPE_profile_cpu_f("alloy");
#if 0
StringBuffer str;
builder->Dump(&str);
printf(str.GetString());
fflush(stdout);
str.Reset();
#endif // 0
auto block = builder->first_block();
while (block) {
auto label = block->label_head;
while (label) {
assert_true(label->block == block);
if (label->block != block) {
return 1;
}
label = label->next;
}
auto instr = block->instr_head;
while (instr) {
if (ValidateInstruction(block, instr)) {
return 1;
}
instr = instr->next;
}
block = block->next;
}
return 0;
}
int ValidationPass::ValidateInstruction(Block* block, Instr* instr) {
assert_true(instr->block == block);
if (instr->block != block) {
return 1;
}
if (instr->dest) {
assert_true(instr->dest->def == instr);
auto use = instr->dest->use_head;
while (use) {
assert_true(use->instr->block == block);
use = use->next;
}
}
uint32_t signature = instr->opcode->signature;
if (GET_OPCODE_SIG_TYPE_SRC1(signature) == OPCODE_SIG_TYPE_V) {
if (ValidateValue(block, instr, instr->src1.value)) {
return 1;
}
}
if (GET_OPCODE_SIG_TYPE_SRC2(signature) == OPCODE_SIG_TYPE_V) {
if (ValidateValue(block, instr, instr->src2.value)) {
return 1;
}
}
if (GET_OPCODE_SIG_TYPE_SRC3(signature) == OPCODE_SIG_TYPE_V) {
if (ValidateValue(block, instr, instr->src3.value)) {
return 1;
}
}
return 0;
}
int ValidationPass::ValidateValue(Block* block, Instr* instr, Value* value) {
// if (value->def) {
// auto def = value->def;
// assert_true(def->block == block);
// if (def->block != block) {
// return 1;
// }
//}
return 0;
}
} // namespace passes
} // namespace compiler
} // namespace alloy