Mercurial > projects > ldc
annotate gen/cl_helpers.h @ 1052:12ea38902e83
Add '-singleobj' command line switch that will tell LDC to link LLVM modules internally and only emit a single object file.
The switch allows the optimizer and inliner to run on all modules at once and opens the door for template instantiation improvements that should lower compile time and executable size.
author | Christian Kamm <kamm incasoftware de> |
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date | Sat, 07 Mar 2009 19:38:00 +0100 |
parents | a8cb25d478c4 |
children | cc1efa23030a |
rev | line source |
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1 #ifndef LDC_CL_HELPERS_H |
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2 #define LDC_CL_HELPERS_H |
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3 |
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4 #include <string> |
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5 |
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6 #include "llvm/Support/CommandLine.h" |
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7 #include "llvm/Support/Compiler.h" |
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8 |
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9 struct Array; |
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10 |
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11 namespace opts { |
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12 namespace cl = llvm::cl; |
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13 |
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14 /// Helper class for fancier options |
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15 class FlagParser : public cl::parser<bool> { |
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16 std::vector<std::pair<std::string, bool> > switches; |
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17 public: |
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18 template <class Opt> |
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19 void initialize(Opt &O) { |
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20 assert(!(O.getMiscFlags() & cl::AllowInverse) |
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21 && "FlagParser doesn't support redundant AllowInverse flag"); |
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22 |
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23 std::string Name = O.ArgStr; |
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24 switches.push_back(make_pair("enable-" + Name, true)); |
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25 switches.push_back(make_pair("disable-" + Name, false)); |
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26 // Replace <foo> with -enable-<foo> |
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27 O.ArgStr = switches[0].first.c_str(); |
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28 } |
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29 |
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30 bool parse(cl::Option &O, const char *ArgName, const std::string &ArgValue, bool &Val); |
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31 |
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32 void getExtraOptionNames(std::vector<const char*> &Names); |
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33 }; |
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34 |
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35 /// Helper class for options that set multiple flags |
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36 class MultiSetter { |
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37 std::vector<bool*> locations; |
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38 bool invert; |
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39 MultiSetter(bool); //not implemented, disable auto-conversion |
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40 public: |
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41 MultiSetter(bool invert, bool* p, ...) END_WITH_NULL; |
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42 |
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43 void operator=(bool val); |
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44 }; |
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45 |
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46 /// Helper class to fill Array with char* when given strings |
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47 /// (Errors on empty strings) |
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48 class ArrayAdapter { |
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49 const char* name; |
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50 Array** arrp; |
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51 public: |
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52 ArrayAdapter(const char* name_, Array*& arr) { |
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53 name = name_; |
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54 arrp = &arr; |
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55 assert(name); |
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56 assert(arrp); |
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57 } |
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58 |
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59 void push_back(const char* cstr); |
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60 |
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61 void push_back(const std::string& str) { |
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62 push_back(str.c_str()); |
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63 } |
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64 }; |
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65 |
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66 } |
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67 |
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68 #endif |