Mercurial > projects > ldc
annotate gen/cl_helpers.h @ 1506:76936858d1c6
Return `void*` from _d_allocclass so LLVM doesn't do weird things with it...
This allows `-instcombine` followed by `-gvn` to do devirtualization, so add
`-gvn` in strategic places in the default pass order.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Sat, 20 Jun 2009 11:39:13 +0200 |
parents | 3171f67ad006 |
children | 40bd4a0d4870 |
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 std::string Name = O.ArgStr; |
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21 switches.push_back(make_pair("enable-" + Name, true)); |
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22 switches.push_back(make_pair("disable-" + Name, false)); |
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23 // Replace <foo> with -enable-<foo> |
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24 O.ArgStr = switches[0].first.c_str(); |
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25 } |
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26 |
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27 bool parse(cl::Option &O, const char *ArgName, const std::string &ArgValue, bool &Val); |
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28 |
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29 void getExtraOptionNames(std::vector<const char*> &Names); |
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30 }; |
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31 |
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32 /// Helper class for options that set multiple flags |
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33 class MultiSetter { |
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34 std::vector<bool*> locations; |
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35 bool invert; |
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36 MultiSetter(bool); //not implemented, disable auto-conversion |
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37 public: |
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38 MultiSetter(bool invert, bool* p, ...) END_WITH_NULL; |
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39 |
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40 void operator=(bool val); |
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41 }; |
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42 |
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43 /// Helper class to fill Array with char* when given strings |
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44 /// (Errors on empty strings) |
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45 class ArrayAdapter { |
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46 const char* name; |
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47 Array** arrp; |
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48 public: |
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49 ArrayAdapter(const char* name_, Array*& arr) { |
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50 name = name_; |
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51 arrp = &arr; |
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52 assert(name); |
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53 assert(arrp); |
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54 } |
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55 |
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56 void push_back(const char* cstr); |
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57 |
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58 void push_back(const std::string& str) { |
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59 push_back(str.c_str()); |
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60 } |
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61 }; |
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62 |
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63 /// Helper class to allow use of a parser<bool> with BoolOrDefault |
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64 class BoolOrDefaultAdapter { |
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65 cl::boolOrDefault value; |
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66 public: |
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67 operator cl::boolOrDefault() { |
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68 return value; |
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69 } |
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70 |
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71 void operator=(cl::boolOrDefault val) { |
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72 value = val; |
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73 } |
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74 |
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75 void operator=(bool val) { |
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76 *this = (val ? cl::BOU_TRUE : cl::BOU_FALSE); |
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77 } |
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78 }; |
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79 } |
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80 |
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81 #endif |