From 0ec56431c51aa27389bad0341561f16221afecf1 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Fri, 6 Aug 2010 01:36:09 +0000
Subject: [PATCH] Revert r109901. The implementation of
 <rdar://problem/7405933> (r110423) doesn't need the Compare flag after all.

--- Reverse-merging r109901 into '.':
U    include/llvm/Target/TargetInstrDesc.h
U    include/llvm/Target/Target.td
U    utils/TableGen/InstrInfoEmitter.cpp
U    utils/TableGen/CodeGenInstruction.cpp
U    utils/TableGen/CodeGenInstruction.h

llvm-svn: 110424
---
 include/llvm/Target/Target.td         | 1 -
 include/llvm/Target/TargetInstrDesc.h | 8 +-------
 utils/TableGen/CodeGenInstruction.cpp | 1 -
 utils/TableGen/CodeGenInstruction.h   | 1 -
 utils/TableGen/InstrInfoEmitter.cpp   | 1 -
 5 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/include/llvm/Target/Target.td b/include/llvm/Target/Target.td
index 809e088e2b0..ad1a816a95c 100644
--- a/include/llvm/Target/Target.td
+++ b/include/llvm/Target/Target.td
@@ -198,7 +198,6 @@ class Instruction {
   bit isReturn     = 0;     // Is this instruction a return instruction?
   bit isBranch     = 0;     // Is this instruction a branch instruction?
   bit isIndirectBranch = 0; // Is this instruction an indirect branch?
-  bit isCompare    = 0;     // Is this instruction a comparison instruction?
   bit isBarrier    = 0;     // Can control flow fall through this instruction?
   bit isCall       = 0;     // Is this instruction a call instruction?
   bit canFoldAsLoad = 0;    // Can this be folded as a simple memory operand?
diff --git a/include/llvm/Target/TargetInstrDesc.h b/include/llvm/Target/TargetInstrDesc.h
index 6a08e8f24c0..8f0a6cb1a68 100644
--- a/include/llvm/Target/TargetInstrDesc.h
+++ b/include/llvm/Target/TargetInstrDesc.h
@@ -105,7 +105,6 @@ namespace TID {
     IndirectBranch,
     Predicable,
     NotDuplicable,
-    Compare,
     DelaySlot,
     FoldableAsLoad,
     MayLoad,
@@ -316,7 +315,7 @@ public:
   bool isIndirectBranch() const {
     return Flags & (1 << TID::IndirectBranch);
   }
-
+  
   /// isConditionalBranch - Return true if this is a branch which may fall
   /// through to the next instruction or may transfer control flow to some other
   /// block.  The TargetInstrInfo::AnalyzeBranch method can be used to get more
@@ -341,11 +340,6 @@ public:
     return Flags & (1 << TID::Predicable);
   }
   
-  /// isCompare - Return true if this instruction is a comparison.
-  bool isCompare() const {
-    return Flags & (1 << TID::Compare);
-  }
-  
   /// isNotDuplicable - Return true if this instruction cannot be safely
   /// duplicated.  For example, if the instruction has a unique labels attached
   /// to it, duplicating it would cause multiple definition errors.
diff --git a/utils/TableGen/CodeGenInstruction.cpp b/utils/TableGen/CodeGenInstruction.cpp
index 01a1fe11f53..35b54a54271 100644
--- a/utils/TableGen/CodeGenInstruction.cpp
+++ b/utils/TableGen/CodeGenInstruction.cpp
@@ -102,7 +102,6 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
   isReturn     = R->getValueAsBit("isReturn");
   isBranch     = R->getValueAsBit("isBranch");
   isIndirectBranch = R->getValueAsBit("isIndirectBranch");
-  isCompare    = R->getValueAsBit("isCompare");
   isBarrier    = R->getValueAsBit("isBarrier");
   isCall       = R->getValueAsBit("isCall");
   canFoldAsLoad = R->getValueAsBit("canFoldAsLoad");
diff --git a/utils/TableGen/CodeGenInstruction.h b/utils/TableGen/CodeGenInstruction.h
index b02d0d38f97..946c2d01a52 100644
--- a/utils/TableGen/CodeGenInstruction.h
+++ b/utils/TableGen/CodeGenInstruction.h
@@ -123,7 +123,6 @@ namespace llvm {
     bool isReturn;
     bool isBranch;
     bool isIndirectBranch;
-    bool isCompare;
     bool isBarrier;
     bool isCall;
     bool canFoldAsLoad;
diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp
index 4d3aa5e621c..f28af1589d6 100644
--- a/utils/TableGen/InstrInfoEmitter.cpp
+++ b/utils/TableGen/InstrInfoEmitter.cpp
@@ -270,7 +270,6 @@ void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num,
   if (Inst.isReturn)           OS << "|(1<<TID::Return)";
   if (Inst.isBranch)           OS << "|(1<<TID::Branch)";
   if (Inst.isIndirectBranch)   OS << "|(1<<TID::IndirectBranch)";
-  if (Inst.isCompare)          OS << "|(1<<TID::Compare)";
   if (Inst.isBarrier)          OS << "|(1<<TID::Barrier)";
   if (Inst.hasDelaySlot)       OS << "|(1<<TID::DelaySlot)";
   if (Inst.isCall)             OS << "|(1<<TID::Call)";