From e71db6584d8d8936c667c14c06b87382f5327e58 Mon Sep 17 00:00:00 2001
From: Jinsong Ji <jji@us.ibm.com>
Date: Wed, 14 Aug 2019 14:16:26 +0000
Subject: [PATCH] [PowerPC][NFC] Consolidate duplicate XX3Form_SetZero and
 XX3Form_Zero.

Rename one to XX3Form_SameOp, remove the other one.

llvm-svn: 368856
---
 llvm/lib/Target/PowerPC/PPCInstrFormats.td | 9 +--------
 llvm/lib/Target/PowerPC/PPCInstrVSX.td     | 6 +++---
 2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/llvm/lib/Target/PowerPC/PPCInstrFormats.td b/llvm/lib/Target/PowerPC/PPCInstrFormats.td
index a48eb16..96b9c9a 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrFormats.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrFormats.td
@@ -1209,20 +1209,13 @@ class XX3Form<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
   let Inst{31}    = XT{5};
 }
 
-class XX3Form_Zero<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
+class XX3Form_SameOp<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
               InstrItinClass itin, list<dag> pattern>
   : XX3Form<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
   let XA = XT;
   let XB = XT;
 }
 
-class XX3Form_SetZero<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
-               InstrItinClass itin, list<dag> pattern>
-    : XX3Form<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
-  let XB = XT;
-  let XA = XT;
-}
-
 class XX3Form_1<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr, 
                 InstrItinClass itin, list<dag> pattern>
   : I<opcode, OOL, IOL, asmstr, itin> {
diff --git a/llvm/lib/Target/PowerPC/PPCInstrVSX.td b/llvm/lib/Target/PowerPC/PPCInstrVSX.td
index b31cdee..c144a28 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrVSX.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrVSX.td
@@ -864,14 +864,14 @@ let Uses = [RM] in {
 
   let isCodeGenOnly = 1, isMoveImm = 1, isAsCheapAsAMove = 1,
       isReMaterializable = 1 in {
-    def XXLXORz : XX3Form_Zero<60, 154, (outs vsrc:$XT), (ins),
+    def XXLXORz : XX3Form_SameOp<60, 154, (outs vsrc:$XT), (ins),
                        "xxlxor $XT, $XT, $XT", IIC_VecGeneral,
                        [(set v4i32:$XT, (v4i32 immAllZerosV))]>;
-    def XXLXORdpz : XX3Form_SetZero<60, 154,
+    def XXLXORdpz : XX3Form_SameOp<60, 154,
                          (outs vsfrc:$XT), (ins),
                          "xxlxor $XT, $XT, $XT", IIC_VecGeneral,
                          [(set f64:$XT, (fpimm0))]>;
-    def XXLXORspz : XX3Form_SetZero<60, 154,
+    def XXLXORspz : XX3Form_SameOp<60, 154,
                          (outs vssrc:$XT), (ins),
                          "xxlxor $XT, $XT, $XT", IIC_VecGeneral,
                          [(set f32:$XT, (fpimm0))]>;
-- 
2.7.4