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[IR]修复初始化数组指令的逻辑，更新IR常量定义。

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This commit is contained in:
rain2133
2025-07-19 16:18:05 +08:00
parent 36cfd2f64d
commit 0d5748e9c5
5 changed files with 184 additions and 103 deletions
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54
src/sysyc.cpp
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@@ -16,14 +16,14 @@ using namespace antlr4;
#include "SysYIROptPre.h"
#include "RISCv64Backend.h"
#include "SysYIRAnalyser.h"
#include "DeadCodeElimination.h"
// #include "DeadCodeElimination.h"
#include "AddressCalculationExpansion.h"
#include "Mem2Reg.h"
#include "Reg2Mem.h"
// #include "Mem2Reg.h"
// #include "Reg2Mem.h"
using namespace sysy;
int DEBUG = 0;
int DEBUG = 1;
int DEEPDEBUG = 0;
static string argStopAfter;
@@ -174,32 +174,32 @@ int main(int argc, char **argv) {
// MyCustomOpt2 opt2_pass(moduleIR, builder, &cfa); // 假设需要CFA
// opt2_pass.run();
// ... 更多 -O1 特有的优化
DeadCodeElimination dce(moduleIR, &cfa, &ava);
dce.runDCEPipeline();
if (DEBUG) {
cout << "=== After 1st DCE (Default) ===\n";
SysYPrinter(moduleIR).printIR();
}
// DeadCodeElimination dce(moduleIR, &cfa, &ava);
// dce.runDCEPipeline();
// if (DEBUG) {
// cout << "=== After 1st DCE (Default) ===\n";
// SysYPrinter(moduleIR).printIR();
// }
Mem2Reg mem2reg(moduleIR, builder, &cfa, &ava);
mem2reg.mem2regPipeline();
if (DEBUG) {
cout << "=== After Mem2Reg (Default) ===\n";
SysYPrinter(moduleIR).printIR();
}
// Mem2Reg mem2reg(moduleIR, builder, &cfa, &ava);
// mem2reg.mem2regPipeline();
// if (DEBUG) {
// cout << "=== After Mem2Reg (Default) ===\n";
// SysYPrinter(moduleIR).printIR();
// }
Reg2Mem reg2mem(moduleIR, builder);
reg2mem.DeletePhiInst();
if (DEBUG) {
cout << "=== After Reg2Mem (Default) ===\n";
SysYPrinter(moduleIR).printIR();
}
// Reg2Mem reg2mem(moduleIR, builder);
// reg2mem.DeletePhiInst();
// if (DEBUG) {
// cout << "=== After Reg2Mem (Default) ===\n";
// SysYPrinter(moduleIR).printIR();
// }
dce.runDCEPipeline(); // 第二次 DCE (默认)
if (DEBUG) {
cout << "=== After 2nd DCE (Default) ===\n";
SysYPrinter(moduleIR).printIR();
}
// dce.runDCEPipeline(); // 第二次 DCE (默认)
// if (DEBUG) {
// cout << "=== After 2nd DCE (Default) ===\n";
// SysYPrinter(moduleIR).printIR();
// }
} else {
if (DEBUG) cout << "No additional middle-end optimizations applied for -O" << optLevel << ".\n";
}