private string Optimizing(string lastOptFile, string outNamePostfix, int optCount, bool isLastText)
{
for (int i = 0; i < optCount; ++i)
{
string strExt;
string strFlag;
if (!isLastText || i != optCount - 1)
{
strExt = ".bc";
strFlag = "-c";
}
else
{
strExt = ".ll";
strFlag = "-S";
}
string optFile = Path.Combine(OutDir, "!opt_" + outNamePostfix + i + strExt);
CompileUnit optUnit = new CompileUnit(
string.Format("clang {0} -o {1} {2} {3} -emit-llvm",
lastOptFile,
optFile,
OptLevel,
strFlag),
WorkDir,
OutDir,
optFile,
new HashSet <string> {
lastOptFile
});
optUnit.OnOutput = Console.WriteLine;
optUnit.OnError = Console.Error.WriteLine;
var status = optUnit.Invoke();
switch (status)
{
case ActionUnit.Status.Skipped:
Console.WriteLine("OptSkipped: {0}", lastOptFile);
break;
case ActionUnit.Status.Completed:
optUnit.CompletedUpdate();
Console.WriteLine("OptCompleted: {0}", lastOptFile);
break;
case ActionUnit.Status.Error:
Console.Error.WriteLine("OptError: {0}", lastOptFile);
return(null);
}
lastOptFile = optFile;
}
return(lastOptFile);
}
private string Optimizing(string lastOptFile, string outNamePostfix, int optCount, bool isLastText)
{
var strExt = ".ll";
var strFlag = "-S";
for (int i = 0; i < optCount; ++i)
{
// 注释掉待优化文件的 attributes 以防止破优化
if (!Helper.PatchTextFile(lastOptFile, "attributes #", ";"))
{
return(null);
}
string optFile = Path.Combine(OutDir, "!opt_" + outNamePostfix + i + strExt);
CompileUnit optUnit = new CompileUnit(
string.Format("clang {0} -o {1} {2} {3} -flto",
lastOptFile,
optFile,
OptLevel,
strFlag),
WorkDir,
OutDir,
optFile,
new HashSet <string> {
lastOptFile
});
optUnit.OnOutput = Console.WriteLine;
optUnit.OnError = Console.Error.WriteLine;
var status = optUnit.Invoke();
switch (status)
{
case ActionUnit.Status.Skipped:
Console.WriteLine("OptSkipped: {0}", lastOptFile);
break;
case ActionUnit.Status.Completed:
optUnit.CompletedUpdate();
Console.WriteLine("OptCompleted: {0}", lastOptFile);
break;
case ActionUnit.Status.Error:
Console.Error.WriteLine("OptError: {0}", lastOptFile);
return(null);
}
lastOptFile = optFile;
}
return(lastOptFile);
}
private bool FinalLinking(string outFile, string inFile, string cflags)
{
CompileUnit finalCompile = new CompileUnit(
string.Format("clang {0} -o {1} {2} {3}",
inFile,
outFile,
OptLevel,
cflags),
WorkDir,
OutDir,
outFile,
new HashSet <string> {
inFile
});
finalCompile.OnOutput = Console.WriteLine;
finalCompile.OnError = Console.Error.WriteLine;
var status = finalCompile.Invoke();
switch (status)
{
case ActionUnit.Status.Skipped:
Console.WriteLine("FinalSkipped: {0}", outFile);
break;
case ActionUnit.Status.Completed:
finalCompile.CompletedUpdate();
Console.WriteLine("FinalCompleted: {0}", outFile);
break;
case ActionUnit.Status.Error:
Console.Error.WriteLine("FinalError: {0}", outFile);
return(false);
}
return(true);
}
private string Optimizing(string lastOptFile, string outNamePostfix, int optCount, bool isLastText)
{
var strExt = ".ll";
var strFlag = "-S";
for (int i = 0; i < optCount; ++i)
{
// 注释掉待优化文件的 attributes 以防止破优化
if (!Helper.PatchTextFile(lastOptFile, str =>
{
const string cmp = "attributes #";
if (str.Length > 0 &&
str[0] == cmp[0] &&
str.Substring(0, cmp.Length) == cmp)
{
return(str.Replace(cmp, ";"));
}
return(str);
}))
{
return(null);
}
// 内部化全局变量
if (!Helper.PatchTextFile(lastOptFile, str =>
{
if (str.Length > 0 && str[0] == '@')
{
return(str.Replace(
"= global",
"= internal global")
.Replace(
"= local_unnamed_addr global",
"= internal local_unnamed_addr global"));
}
return(str);
}))
{
return(null);
}
string optFile = Path.Combine(OutDir, "!opt_" + outNamePostfix + i + strExt);
CompileUnit optUnit = new CompileUnit(
string.Format("clang {0} -o {1} {2} {3} -flto",
lastOptFile,
optFile,
OptLevel,
strFlag),
WorkDir,
OutDir,
optFile,
new HashSet <string> {
lastOptFile
});
optUnit.OnOutput = Console.WriteLine;
optUnit.OnError = Console.Error.WriteLine;
var status = optUnit.Invoke();
switch (status)
{
case ActionUnit.Status.Skipped:
Console.WriteLine("OptSkipped: {0}", lastOptFile);
break;
case ActionUnit.Status.Completed:
optUnit.CompletedUpdate();
Console.WriteLine("OptCompleted: {0}", lastOptFile);
break;
case ActionUnit.Status.Error:
Console.Error.WriteLine("OptError: {0}", lastOptFile);
return(null);
}
lastOptFile = optFile;
}
return(lastOptFile);
}