Chris Lattner | ce99120 | 2011-02-18 21:50:34 +0000 | [diff] [blame] | 1 | //===-- TargetLibraryInfo.cpp - Runtime library information ----------------==// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file implements the TargetLibraryInfo class. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "llvm/Target/TargetLibraryInfo.h" |
| 15 | #include "llvm/ADT/Triple.h" |
| 16 | using namespace llvm; |
| 17 | |
| 18 | // Register the default implementation. |
| 19 | INITIALIZE_PASS(TargetLibraryInfo, "targetlibinfo", |
| 20 | "Target Library Information", false, true) |
| 21 | char TargetLibraryInfo::ID = 0; |
| 22 | |
Eli Friedman | 9d434db | 2011-11-17 01:27:36 +0000 | [diff] [blame] | 23 | const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] = |
| 24 | { |
Chad Rosier | 8ff4115 | 2011-11-30 19:19:00 +0000 | [diff] [blame] | 25 | "acos", |
| 26 | "acosl", |
| 27 | "acosf", |
| 28 | "asin", |
| 29 | "asinl", |
| 30 | "asinf", |
| 31 | "atan", |
| 32 | "atanl", |
| 33 | "atanf", |
Chad Rosier | 32b6c59 | 2011-12-01 17:54:37 +0000 | [diff] [blame] | 34 | "atan2", |
| 35 | "atan2l", |
| 36 | "atan2f", |
Chad Rosier | 8ff4115 | 2011-11-30 19:19:00 +0000 | [diff] [blame] | 37 | "ceil", |
| 38 | "ceill", |
| 39 | "ceilf", |
Owen Anderson | 243eb9e | 2011-12-08 22:15:21 +0000 | [diff] [blame] | 40 | "copysign", |
| 41 | "copysignf", |
| 42 | "copysignl", |
Chad Rosier | 8ff4115 | 2011-11-30 19:19:00 +0000 | [diff] [blame] | 43 | "cos", |
| 44 | "cosl", |
| 45 | "cosf", |
| 46 | "cosh", |
| 47 | "coshl", |
| 48 | "coshf", |
| 49 | "exp", |
| 50 | "expl", |
| 51 | "expf", |
| 52 | "exp2", |
| 53 | "exp2l", |
| 54 | "exp2f", |
| 55 | "expm1", |
| 56 | "expm1l", |
| 57 | "expl1f", |
| 58 | "fabs", |
| 59 | "fabsl", |
| 60 | "fabsf", |
| 61 | "floor", |
| 62 | "floorl", |
| 63 | "floorf", |
Chad Rosier | 683e47b | 2011-11-30 01:51:49 +0000 | [diff] [blame] | 64 | "fiprintf", |
Chad Rosier | 32b6c59 | 2011-12-01 17:54:37 +0000 | [diff] [blame] | 65 | "fmod", |
| 66 | "fmodl", |
| 67 | "fmodf", |
Chad Rosier | 683e47b | 2011-11-30 01:51:49 +0000 | [diff] [blame] | 68 | "fputs", |
| 69 | "fwrite", |
| 70 | "iprintf", |
Chad Rosier | 8ff4115 | 2011-11-30 19:19:00 +0000 | [diff] [blame] | 71 | "log", |
| 72 | "logl", |
| 73 | "logf", |
| 74 | "log2", |
| 75 | "log2l", |
| 76 | "log2f", |
| 77 | "log10", |
| 78 | "log10l", |
| 79 | "log10f", |
| 80 | "log1p", |
| 81 | "log1pl", |
| 82 | "log1pf", |
Eli Friedman | 9d434db | 2011-11-17 01:27:36 +0000 | [diff] [blame] | 83 | "memcpy", |
| 84 | "memmove", |
Chad Rosier | 683e47b | 2011-11-30 01:51:49 +0000 | [diff] [blame] | 85 | "memset", |
Eli Friedman | 9d434db | 2011-11-17 01:27:36 +0000 | [diff] [blame] | 86 | "memset_pattern16", |
Owen Anderson | 243eb9e | 2011-12-08 22:15:21 +0000 | [diff] [blame] | 87 | "nearbyint", |
| 88 | "nearbyintf", |
| 89 | "nearbyintl", |
Chad Rosier | 8ff4115 | 2011-11-30 19:19:00 +0000 | [diff] [blame] | 90 | "pow", |
| 91 | "powf", |
| 92 | "powl", |
Owen Anderson | 243eb9e | 2011-12-08 22:15:21 +0000 | [diff] [blame] | 93 | "rint", |
| 94 | "rintf", |
| 95 | "rintl", |
Chad Rosier | 32b6c59 | 2011-12-01 17:54:37 +0000 | [diff] [blame] | 96 | "sin", |
| 97 | "sinl", |
| 98 | "sinf", |
Chad Rosier | fbd828d | 2011-12-01 18:26:19 +0000 | [diff] [blame] | 99 | "sinh", |
| 100 | "sinhl", |
| 101 | "sinhf", |
| 102 | "siprintf", |
Chad Rosier | 3d925d2 | 2011-11-29 23:57:10 +0000 | [diff] [blame] | 103 | "sqrt", |
Chad Rosier | 8ff4115 | 2011-11-30 19:19:00 +0000 | [diff] [blame] | 104 | "sqrtl", |
Chad Rosier | 32b6c59 | 2011-12-01 17:54:37 +0000 | [diff] [blame] | 105 | "sqrtf", |
| 106 | "tan", |
| 107 | "tanl", |
| 108 | "tanf", |
| 109 | "tanh", |
| 110 | "tanhl", |
Owen Anderson | 243eb9e | 2011-12-08 22:15:21 +0000 | [diff] [blame] | 111 | "tanhf", |
| 112 | "trunc", |
| 113 | "truncf", |
| 114 | "truncl" |
Eli Friedman | 9d434db | 2011-11-17 01:27:36 +0000 | [diff] [blame] | 115 | }; |
| 116 | |
Chris Lattner | ce99120 | 2011-02-18 21:50:34 +0000 | [diff] [blame] | 117 | /// initialize - Initialize the set of available library functions based on the |
| 118 | /// specified target triple. This should be carefully written so that a missing |
| 119 | /// target triple gets a sane set of defaults. |
| 120 | static void initialize(TargetLibraryInfo &TLI, const Triple &T) { |
| 121 | initializeTargetLibraryInfoPass(*PassRegistry::getPassRegistry()); |
| 122 | |
| 123 | |
| 124 | // memset_pattern16 is only available on iOS 3.0 and Mac OS/X 10.5 and later. |
Daniel Dunbar | 558692f | 2011-04-20 00:14:25 +0000 | [diff] [blame] | 125 | if (T.isMacOSX()) { |
| 126 | if (T.isMacOSXVersionLT(10, 5)) |
Daniel Dunbar | 13fb3b5 | 2011-04-19 20:44:08 +0000 | [diff] [blame] | 127 | TLI.setUnavailable(LibFunc::memset_pattern16); |
| 128 | } else if (T.getOS() == Triple::IOS) { |
| 129 | if (T.isOSVersionLT(3, 0)) |
| 130 | TLI.setUnavailable(LibFunc::memset_pattern16); |
| 131 | } else { |
Chris Lattner | ce99120 | 2011-02-18 21:50:34 +0000 | [diff] [blame] | 132 | TLI.setUnavailable(LibFunc::memset_pattern16); |
Daniel Dunbar | 13fb3b5 | 2011-04-19 20:44:08 +0000 | [diff] [blame] | 133 | } |
Richard Osborne | 3649824 | 2011-03-03 13:17:51 +0000 | [diff] [blame] | 134 | |
Eli Friedman | 9d434db | 2011-11-17 01:27:36 +0000 | [diff] [blame] | 135 | if (T.isMacOSX() && T.getArch() == Triple::x86 && |
| 136 | !T.isMacOSXVersionLT(10, 7)) { |
| 137 | // x86-32 OSX has a scheme where fwrite and fputs (and some other functions |
| 138 | // we don't care about) have two versions; on recent OSX, the one we want |
| 139 | // has a $UNIX2003 suffix. The two implementations are identical except |
| 140 | // for the return value in some edge cases. However, we don't want to |
| 141 | // generate code that depends on the old symbols. |
| 142 | TLI.setAvailableWithName(LibFunc::fwrite, "fwrite$UNIX2003"); |
| 143 | TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003"); |
| 144 | } |
| 145 | |
Duncan Sands | 9fe8897 | 2011-06-09 11:11:45 +0000 | [diff] [blame] | 146 | // iprintf and friends are only available on XCore and TCE. |
| 147 | if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) { |
Richard Osborne | 3649824 | 2011-03-03 13:17:51 +0000 | [diff] [blame] | 148 | TLI.setUnavailable(LibFunc::iprintf); |
Richard Osborne | 419454a | 2011-03-03 14:09:28 +0000 | [diff] [blame] | 149 | TLI.setUnavailable(LibFunc::siprintf); |
Richard Osborne | 022708f | 2011-03-03 14:20:22 +0000 | [diff] [blame] | 150 | TLI.setUnavailable(LibFunc::fiprintf); |
Richard Osborne | 419454a | 2011-03-03 14:09:28 +0000 | [diff] [blame] | 151 | } |
Chris Lattner | ce99120 | 2011-02-18 21:50:34 +0000 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | |
| 155 | TargetLibraryInfo::TargetLibraryInfo() : ImmutablePass(ID) { |
| 156 | // Default to everything being available. |
| 157 | memset(AvailableArray, -1, sizeof(AvailableArray)); |
| 158 | |
| 159 | initialize(*this, Triple()); |
| 160 | } |
| 161 | |
| 162 | TargetLibraryInfo::TargetLibraryInfo(const Triple &T) : ImmutablePass(ID) { |
| 163 | // Default to everything being available. |
| 164 | memset(AvailableArray, -1, sizeof(AvailableArray)); |
| 165 | |
| 166 | initialize(*this, T); |
| 167 | } |
Chris Lattner | 188a7e0 | 2011-02-18 22:34:03 +0000 | [diff] [blame] | 168 | |
Chris Lattner | 40f5fbc | 2011-05-21 20:09:13 +0000 | [diff] [blame] | 169 | TargetLibraryInfo::TargetLibraryInfo(const TargetLibraryInfo &TLI) |
| 170 | : ImmutablePass(ID) { |
| 171 | memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray)); |
Eli Friedman | 9d434db | 2011-11-17 01:27:36 +0000 | [diff] [blame] | 172 | CustomNames = TLI.CustomNames; |
Chris Lattner | 40f5fbc | 2011-05-21 20:09:13 +0000 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | |
Chris Lattner | 188a7e0 | 2011-02-18 22:34:03 +0000 | [diff] [blame] | 176 | /// disableAllFunctions - This disables all builtins, which is used for options |
| 177 | /// like -fno-builtin. |
| 178 | void TargetLibraryInfo::disableAllFunctions() { |
| 179 | memset(AvailableArray, 0, sizeof(AvailableArray)); |
| 180 | } |