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-rw-r--r--contrib/llvm/lib/Target/TargetLibraryInfo.cpp186
1 files changed, 186 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/TargetLibraryInfo.cpp b/contrib/llvm/lib/Target/TargetLibraryInfo.cpp
new file mode 100644
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--- /dev/null
+++ b/contrib/llvm/lib/Target/TargetLibraryInfo.cpp
@@ -0,0 +1,186 @@
+//===-- TargetLibraryInfo.cpp - Runtime library information ----------------==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the TargetLibraryInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Target/TargetLibraryInfo.h"
+#include "llvm/ADT/Triple.h"
+using namespace llvm;
+
+// Register the default implementation.
+INITIALIZE_PASS(TargetLibraryInfo, "targetlibinfo",
+ "Target Library Information", false, true)
+char TargetLibraryInfo::ID = 0;
+
+void TargetLibraryInfo::anchor() { }
+
+const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
+ {
+ "acos",
+ "acosl",
+ "acosf",
+ "asin",
+ "asinl",
+ "asinf",
+ "atan",
+ "atanl",
+ "atanf",
+ "atan2",
+ "atan2l",
+ "atan2f",
+ "ceil",
+ "ceill",
+ "ceilf",
+ "copysign",
+ "copysignf",
+ "copysignl",
+ "cos",
+ "cosl",
+ "cosf",
+ "cosh",
+ "coshl",
+ "coshf",
+ "exp",
+ "expl",
+ "expf",
+ "exp2",
+ "exp2l",
+ "exp2f",
+ "expm1",
+ "expm1l",
+ "expl1f",
+ "fabs",
+ "fabsl",
+ "fabsf",
+ "floor",
+ "floorl",
+ "floorf",
+ "fiprintf",
+ "fmod",
+ "fmodl",
+ "fmodf",
+ "fputs",
+ "fwrite",
+ "iprintf",
+ "log",
+ "logl",
+ "logf",
+ "log2",
+ "log2l",
+ "log2f",
+ "log10",
+ "log10l",
+ "log10f",
+ "log1p",
+ "log1pl",
+ "log1pf",
+ "memcpy",
+ "memmove",
+ "memset",
+ "memset_pattern16",
+ "nearbyint",
+ "nearbyintf",
+ "nearbyintl",
+ "pow",
+ "powf",
+ "powl",
+ "rint",
+ "rintf",
+ "rintl",
+ "sin",
+ "sinl",
+ "sinf",
+ "sinh",
+ "sinhl",
+ "sinhf",
+ "siprintf",
+ "sqrt",
+ "sqrtl",
+ "sqrtf",
+ "tan",
+ "tanl",
+ "tanf",
+ "tanh",
+ "tanhl",
+ "tanhf",
+ "trunc",
+ "truncf",
+ "truncl",
+ "__cxa_atexit",
+ "__cxa_guard_abort",
+ "__cxa_guard_acquire",
+ "__cxa_guard_release"
+ };
+
+/// initialize - Initialize the set of available library functions based on the
+/// specified target triple. This should be carefully written so that a missing
+/// target triple gets a sane set of defaults.
+static void initialize(TargetLibraryInfo &TLI, const Triple &T) {
+ initializeTargetLibraryInfoPass(*PassRegistry::getPassRegistry());
+
+
+ // memset_pattern16 is only available on iOS 3.0 and Mac OS/X 10.5 and later.
+ if (T.isMacOSX()) {
+ if (T.isMacOSXVersionLT(10, 5))
+ TLI.setUnavailable(LibFunc::memset_pattern16);
+ } else if (T.getOS() == Triple::IOS) {
+ if (T.isOSVersionLT(3, 0))
+ TLI.setUnavailable(LibFunc::memset_pattern16);
+ } else {
+ TLI.setUnavailable(LibFunc::memset_pattern16);
+ }
+
+ if (T.isMacOSX() && T.getArch() == Triple::x86 &&
+ !T.isMacOSXVersionLT(10, 7)) {
+ // x86-32 OSX has a scheme where fwrite and fputs (and some other functions
+ // we don't care about) have two versions; on recent OSX, the one we want
+ // has a $UNIX2003 suffix. The two implementations are identical except
+ // for the return value in some edge cases. However, we don't want to
+ // generate code that depends on the old symbols.
+ TLI.setAvailableWithName(LibFunc::fwrite, "fwrite$UNIX2003");
+ TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
+ }
+
+ // iprintf and friends are only available on XCore and TCE.
+ if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
+ TLI.setUnavailable(LibFunc::iprintf);
+ TLI.setUnavailable(LibFunc::siprintf);
+ TLI.setUnavailable(LibFunc::fiprintf);
+ }
+}
+
+
+TargetLibraryInfo::TargetLibraryInfo() : ImmutablePass(ID) {
+ // Default to everything being available.
+ memset(AvailableArray, -1, sizeof(AvailableArray));
+
+ initialize(*this, Triple());
+}
+
+TargetLibraryInfo::TargetLibraryInfo(const Triple &T) : ImmutablePass(ID) {
+ // Default to everything being available.
+ memset(AvailableArray, -1, sizeof(AvailableArray));
+
+ initialize(*this, T);
+}
+
+TargetLibraryInfo::TargetLibraryInfo(const TargetLibraryInfo &TLI)
+ : ImmutablePass(ID) {
+ memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
+ CustomNames = TLI.CustomNames;
+}
+
+
+/// disableAllFunctions - This disables all builtins, which is used for options
+/// like -fno-builtin.
+void TargetLibraryInfo::disableAllFunctions() {
+ memset(AvailableArray, 0, sizeof(AvailableArray));
+}
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