Remove the `hasFnAttr' method from Function.

The hasFnAttr method has been replaced by querying the Attributes explicitly. No
intended functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164725 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86FrameLowering.cpp b/lib/Target/X86/X86FrameLowering.cpp
index 2238688..ce53c5a 100644
--- a/lib/Target/X86/X86FrameLowering.cpp
+++ b/lib/Target/X86/X86FrameLowering.cpp
@@ -674,7 +674,7 @@
   // function, and use up to 128 bytes of stack space, don't have a frame
   // pointer, calls, or dynamic alloca then we do not need to adjust the
   // stack pointer (we fit in the Red Zone).
-  if (Is64Bit && !Fn->hasFnAttr(Attribute::NoRedZone) &&
+  if (Is64Bit && !Fn->getFnAttributes().hasNoRedZoneAttr() &&
       !RegInfo->needsStackRealignment(MF) &&
       !MFI->hasVarSizedObjects() &&                     // No dynamic alloca.
       !MFI->adjustsStack() &&                           // No calls.