X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FTargetLibraryInfo.cpp;h=616ff9067300706adf65999f7b3854f21dc6c44b;hb=886f0101a7d176543b831f5efb74c03427244a55;hp=7f8919772f7390522ec17d37bef2315cddb6ae5b;hpb=2ea701e67a136b834f059d87e389060d60cba05a;p=oota-llvm.git

diff --git a/lib/Target/TargetLibraryInfo.cpp b/lib/Target/TargetLibraryInfo.cpp
index 7f8919772f7..616ff906730 100644
--- a/lib/Target/TargetLibraryInfo.cpp
+++ b/lib/Target/TargetLibraryInfo.cpp
@@ -378,7 +378,16 @@ 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 +426,7 @@ 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);