Create enums for the different attributes.

We use the enums to query whether an Attributes object has that attribute. The
opaque layer is responsible for knowing where that specific attribute is stored.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165488 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCFrameLowering.cpp b/lib/Target/PowerPC/PPCFrameLowering.cpp
index d8851a0..b1c02e5 100644
--- a/lib/Target/PowerPC/PPCFrameLowering.cpp
+++ b/lib/Target/PowerPC/PPCFrameLowering.cpp
@@ -193,7 +193,8 @@
   // to adjust the stack pointer (we fit in the Red Zone).  For 64-bit
   // SVR4, we also require a stack frame if we need to spill the CR,
   // since this spill area is addressed relative to the stack pointer.
-  bool DisableRedZone = MF.getFunction()->getFnAttributes().hasNoRedZoneAttr();
+  bool DisableRedZone = MF.getFunction()->getFnAttributes().
+    hasAttribute(Attributes::NoRedZone);
   // FIXME SVR4 The 32-bit SVR4 ABI has no red zone.  However, it can
   // still generate stackless code if all local vars are reg-allocated.
   // Try: (FrameSize <= 224
@@ -255,7 +256,7 @@
 
   // Naked functions have no stack frame pushed, so we don't have a frame
   // pointer.
-  if (MF.getFunction()->getFnAttributes().hasNakedAttr())
+  if (MF.getFunction()->getFnAttributes().hasAttribute(Attributes::Naked))
     return false;
 
   return MF.getTarget().Options.DisableFramePointerElim(MF) ||
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index bdda8ea..64bbcdf 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -6286,7 +6286,8 @@
   bool is31 = (getTargetMachine().Options.DisableFramePointerElim(MF) ||
                MFI->hasVarSizedObjects()) &&
                   MFI->getStackSize() &&
-                  !MF.getFunction()->getFnAttributes().hasNakedAttr();
+                  !MF.getFunction()->getFnAttributes().
+                    hasAttribute(Attributes::Naked);
   unsigned FrameReg = isPPC64 ? (is31 ? PPC::X31 : PPC::X1) :
                                 (is31 ? PPC::R31 : PPC::R1);
   SDValue FrameAddr = DAG.getCopyFromReg(DAG.getEntryNode(), dl, FrameReg,
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 1665d73..459c358 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -596,7 +596,7 @@
   // to Offset to get the correct offset.
   // Naked functions have stack size 0, although getStackSize may not reflect that
   // because we didn't call all the pieces that compute it for naked functions.
-  if (!MF.getFunction()->getFnAttributes().hasNakedAttr())
+  if (!MF.getFunction()->getFnAttributes().hasAttribute(Attributes::Naked))
     Offset += MFI->getStackSize();
 
   // If we can, encode the offset directly into the instruction.  If this is a