[PBQP] Teach PassConfig to tell if the default register allocator is used.

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

diff --git a/lib/Target/TargetLibraryInfo.cpp b/lib/Target/TargetLibraryInfo.cpp
index 7f8919772f7390522ec17d37bef2315cddb6ae5b..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",
@@ -348,7 +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.
@@ -358,7 +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;
@@ -378,7 +382,16 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
       llvm_unreachable("TargetLibraryInfo function names must be sorted");
   }
 #endif // !NDEBUG
-  
+
+  // 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))
@@ -417,7 +430,7 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc::fiprintf);
   }
 
-  if (T.isKnownWindowsMSVCEnvironment()) {
+  if (T.isOSWindows() && !T.isOSCygMing()) {
     // Win32 does not support long double
     TLI.setUnavailable(LibFunc::acosl);
     TLI.setUnavailable(LibFunc::asinl);