From: Bill Wendling <isanbard@gmail.com>
Date: Sun, 14 Oct 2012 06:56:13 +0000 (+0000)
Subject: Remove the bitwise XOR operator from the Attributes class. Replace it with the equiva... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=3756e70af69096a82b367ee9667e7720ca2201e4;p=oota-llvm.git

Remove the bitwise XOR operator from the Attributes class. Replace it with the equivalent from the builder class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165893 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Attributes.h b/include/llvm/Attributes.h
index 5b614e91072..c8f723a7dcf 100644
--- a/include/llvm/Attributes.h
+++ b/include/llvm/Attributes.h
@@ -236,7 +236,6 @@ public:
 
   Attributes operator | (const Attributes &A) const;
   Attributes operator & (const Attributes &A) const;
-  Attributes operator ^ (const Attributes &A) const;
   Attributes &operator |= (const Attributes &A);
   Attributes &operator &= (const Attributes &A);
 
diff --git a/lib/CodeGen/Analysis.cpp b/lib/CodeGen/Analysis.cpp
index 09e30eba579..110a294020a 100644
--- a/lib/CodeGen/Analysis.cpp
+++ b/lib/CodeGen/Analysis.cpp
@@ -314,8 +314,8 @@ bool llvm::isInTailCallPosition(ImmutableCallSite CS, Attributes CalleeRetAttr,
   // the return. Ignore noalias because it doesn't affect the call sequence.
   const Function *F = ExitBB->getParent();
   Attributes CallerRetAttr = F->getAttributes().getRetAttributes();
-  if (Attributes::Builder(CalleeRetAttr ^ CallerRetAttr)
-      .removeAttribute(Attributes::NoAlias).hasAttributes())
+  if (Attributes::Builder(CalleeRetAttr).removeAttribute(Attributes::NoAlias) !=
+      Attributes::Builder(CallerRetAttr).removeAttribute(Attributes::NoAlias))
     return false;
 
   // It's not safe to eliminate the sign / zero extension of the return value.
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 4d31444b764..665d5b01716 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -774,8 +774,10 @@ bool CodeGenPrepare::DupRetToEnableTailCallOpts(ReturnInst *RI) {
     // Conservatively require the attributes of the call to match those of the
     // return. Ignore noalias because it doesn't affect the call sequence.
     Attributes CalleeRetAttr = CS.getAttributes().getRetAttributes();
-    if (Attributes::Builder(CalleeRetAttr ^ CallerRetAttr)
-        .removeAttribute(Attributes::NoAlias).hasAttributes())
+    if (Attributes::Builder(CalleeRetAttr).
+          removeAttribute(Attributes::NoAlias) !=
+        Attributes::Builder(CallerRetAttr).
+          removeAttribute(Attributes::NoAlias))
       continue;
 
     // Make sure the call instruction is followed by an unconditional branch to
diff --git a/lib/VMCore/Attributes.cpp b/lib/VMCore/Attributes.cpp
index 326afc7ba93..e70efc54fa7 100644
--- a/lib/VMCore/Attributes.cpp
+++ b/lib/VMCore/Attributes.cpp
@@ -99,9 +99,6 @@ Attributes Attributes::operator | (const Attributes &A) const {
 Attributes Attributes::operator & (const Attributes &A) const {
   return Attributes(Raw() & A.Raw());
 }
-Attributes Attributes::operator ^ (const Attributes &A) const {
-  return Attributes(Raw() ^ A.Raw());
-}
 Attributes &Attributes::operator |= (const Attributes &A) {
   Attrs.Bits |= A.Raw();
   return *this;