Provide gmlt-like inline scope information in the skeleton CU to facilitate symbolica...

[oota-llvm.git] / lib / Target / TargetLibraryInfo.cpp

diff --git a/lib/Target/TargetLibraryInfo.cpp b/lib/Target/TargetLibraryInfo.cpp
index 4bbf2005a9c7cb317b3f4a88dc499c34b5223f00..ecb38198551d7890ceccab2e40fb68aae4b89f19 100644 (file)
--- a/lib/Target/TargetLibraryInfo.cpp
+++ b/lib/Target/TargetLibraryInfo.cpp
@@ -28,8 +28,12 @@ const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
     "_IO_putc",
     "_ZdaPv",
     "_ZdaPvRKSt9nothrow_t",
+    "_ZdaPvj",
+    "_ZdaPvm",
     "_ZdlPv",
     "_ZdlPvRKSt9nothrow_t",
+    "_ZdlPvj",
+    "_ZdlPvm",
     "_Znaj",
     "_ZnajRKSt9nothrow_t",
     "_Znam",
@@ -48,7 +52,7 @@ const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
     "__isoc99_sscanf",
     "__memcpy_chk",
     "__sincospi_stret",
-    "__sincospi_stretf",
+    "__sincospif_stret",
     "__sinpi",
     "__sinpif",
     "__sqrt_finite",
@@ -190,6 +194,9 @@ const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
     "isdigit",
     "labs",
     "lchown",
+    "ldexp",
+    "ldexpf",
+    "ldexpl",
     "llabs",
     "log",
     "log10",
@@ -345,7 +352,7 @@ const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
 
 static bool hasSinCosPiStret(const Triple &T) {
   // Only Darwin variants have _stret versions of combined trig functions.
-  if (!T.isMacOSX() && T.getOS() != Triple::IOS)
+  if (!T.isOSDarwin())
     return false;
 
   // The ABI is rather complicated on x86, so don't do anything special there.
@@ -355,7 +362,7 @@ static bool hasSinCosPiStret(const Triple &T) {
   if (T.isMacOSX() && T.isMacOSXVersionLT(10, 9))
     return false;
 
-  if (T.getOS() == Triple::IOS && T.isOSVersionLT(7, 0))
+  if (T.isiOS() && T.isOSVersionLT(7, 0))
     return false;
 
   return true;
@@ -375,8 +382,17 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
       llvm_unreachable("TargetLibraryInfo function names must be sorted");
   }
 #endif // !NDEBUG
-  
-  // memset_pattern16 is only available on iOS 3.0 and Mac OS/X 10.5 and later.
+
+  // There are no library implementations of mempcy and memset for r600 and
+  // these can be difficult to lower in the backend.
+  if (T.getArch() == Triple::r600) {
+    TLI.setUnavailable(LibFunc::memcpy);
+    TLI.setUnavailable(LibFunc::memset);
+    TLI.setUnavailable(LibFunc::memset_pattern16);
+    return;
+  }
+
+  // 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);
@@ -393,7 +409,7 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc::cospi);
     TLI.setUnavailable(LibFunc::cospif);
     TLI.setUnavailable(LibFunc::sincospi_stret);
-    TLI.setUnavailable(LibFunc::sincospi_stretf);
+    TLI.setUnavailable(LibFunc::sincospif_stret);
   }
 
   if (T.isMacOSX() && T.getArch() == Triple::x86 &&
@@ -407,37 +423,6 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
     TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
   }
 
-  // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
-  // and their names are __exp10 and __exp10f. exp10l is not available on
-  // OS X or iOS.
-  if (T.isMacOSX()) {
-    TLI.setUnavailable(LibFunc::exp10l);
-    if (T.isMacOSXVersionLT(10, 9)) {
-      TLI.setUnavailable(LibFunc::exp10);
-      TLI.setUnavailable(LibFunc::exp10f);
-    } else {
-      TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
-      TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
-    }
-  }
-
-  if (T.getOS() == Triple::IOS) {
-    TLI.setUnavailable(LibFunc::exp10l);
-    if (T.isOSVersionLT(7, 0)) {
-      TLI.setUnavailable(LibFunc::exp10);
-      TLI.setUnavailable(LibFunc::exp10f);
-    } else {
-      TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
-      TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
-    }
-  }
-
-  if (T.getOS() == Triple::NetBSD) {
-    TLI.setUnavailable(LibFunc::exp10l);
-    TLI.setUnavailable(LibFunc::exp10);
-    TLI.setUnavailable(LibFunc::exp10f);
-  }
-
   // iprintf and friends are only available on XCore and TCE.
   if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
     TLI.setUnavailable(LibFunc::iprintf);
@@ -445,7 +430,7 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc::fiprintf);
   }
 
-  if (T.getOS() == Triple::Win32) {
+  if (T.isOSWindows() && !T.isOSCygMing()) {
     // Win32 does not support long double
     TLI.setUnavailable(LibFunc::acosl);
     TLI.setUnavailable(LibFunc::asinl);
@@ -463,6 +448,8 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc::fminl);
     TLI.setUnavailable(LibFunc::fmodl);
     TLI.setUnavailable(LibFunc::frexpl);
+    TLI.setUnavailable(LibFunc::ldexpf);
+    TLI.setUnavailable(LibFunc::ldexpl);
     TLI.setUnavailable(LibFunc::logl);
     TLI.setUnavailable(LibFunc::modfl);
     TLI.setUnavailable(LibFunc::powl);
@@ -485,9 +472,6 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc::cbrt);
     TLI.setUnavailable(LibFunc::cbrtf);
     TLI.setUnavailable(LibFunc::cbrtl);
-    TLI.setUnavailable(LibFunc::exp10);
-    TLI.setUnavailable(LibFunc::exp10f);
-    TLI.setUnavailable(LibFunc::exp10l);
     TLI.setUnavailable(LibFunc::exp2);
     TLI.setUnavailable(LibFunc::exp2f);
     TLI.setUnavailable(LibFunc::exp2l);
@@ -608,6 +592,43 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc::llabs);
   }
 
+  switch (T.getOS()) {
+  case Triple::MacOSX:
+    // exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
+    // and their names are __exp10 and __exp10f. exp10l is not available on
+    // OS X or iOS.
+    TLI.setUnavailable(LibFunc::exp10l);
+    if (T.isMacOSXVersionLT(10, 9)) {
+      TLI.setUnavailable(LibFunc::exp10);
+      TLI.setUnavailable(LibFunc::exp10f);
+    } else {
+      TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
+      TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
+    }
+    break;
+  case Triple::IOS:
+    TLI.setUnavailable(LibFunc::exp10l);
+    if (T.isOSVersionLT(7, 0)) {
+      TLI.setUnavailable(LibFunc::exp10);
+      TLI.setUnavailable(LibFunc::exp10f);
+    } else {
+      TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
+      TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
+    }
+    break;
+  case Triple::Linux:
+    // exp10, exp10f, exp10l is available on Linux (GLIBC) but are extremely
+    // buggy prior to glibc version 2.18. Until this version is widely deployed
+    // or we have a reasonable detection strategy, we cannot use exp10 reliably
+    // on Linux.
+    //
+    // Fall through to disable all of them.
+  default:
+    TLI.setUnavailable(LibFunc::exp10);
+    TLI.setUnavailable(LibFunc::exp10f);
+    TLI.setUnavailable(LibFunc::exp10l);
+  }
+
   // ffsl is available on at least Darwin, Mac OS X, iOS, FreeBSD, and
   // Linux (GLIBC):
   // http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/ffsl.3.html