Restrict sin/cos optimization to 64-bit only for now. 32-bit is a bit messy and less critical.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173987 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index dad95c6..6305501 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -157,7 +157,8 @@
 
 bool X86Subtarget::hasSinCos() const {
   return getTargetTriple().isMacOSX() &&
-    !getTargetTriple().isMacOSXVersionLT(10, 9);
+    !getTargetTriple().isMacOSXVersionLT(10, 9) &&
+    is64Bit();
 }
 
 /// IsLegalToCallImmediateAddr - Return true if the subtarget allows calls