From be8b084d8ab51ee7f402cad3b56347c8a260d42c Mon Sep 17 00:00:00 2001
From: Bruno Cardoso Lopes <bruno.cardoso@gmail.com>
Date: Fri, 3 Sep 2010 20:10:35 +0000
Subject: [PATCH] Reapply piecies of r112942 and r112934 which don't do
 functional changes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113007 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86ISelLowering.cpp | 36 ++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index a64eea06ac6..810af46232b 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -2602,13 +2602,17 @@ static bool isTargetShuffle(unsigned Opcode) {
   case X86ISD::MOVSS:
   case X86ISD::MOVSD:
   case X86ISD::UNPCKLPS:
+  case X86ISD::UNPCKLPD:
   case X86ISD::PUNPCKLWD:
   case X86ISD::PUNPCKLBW:
   case X86ISD::PUNPCKLDQ:
+  case X86ISD::PUNPCKLQDQ:
   case X86ISD::UNPCKHPS:
+  case X86ISD::UNPCKHPD:
   case X86ISD::PUNPCKHWD:
   case X86ISD::PUNPCKHBW:
   case X86ISD::PUNPCKHDQ:
+  case X86ISD::PUNPCKHQDQ:
     return true;
   }
   return false;
@@ -2663,13 +2667,17 @@ static SDValue getTargetShuffleNode(unsigned Opc, DebugLoc dl, EVT VT,
   case X86ISD::MOVSS:
   case X86ISD::MOVSD:
   case X86ISD::UNPCKLPS:
+  case X86ISD::UNPCKLPD:
   case X86ISD::PUNPCKLWD:
   case X86ISD::PUNPCKLBW:
   case X86ISD::PUNPCKLDQ:
+  case X86ISD::PUNPCKLQDQ:
   case X86ISD::UNPCKHPS:
+  case X86ISD::UNPCKHPD:
   case X86ISD::PUNPCKHWD:
   case X86ISD::PUNPCKHBW:
   case X86ISD::PUNPCKHDQ:
+  case X86ISD::PUNPCKHQDQ:
     return DAG.getNode(Opc, dl, VT, V1, V2);
   }
   return SDValue();
@@ -5142,6 +5150,34 @@ SDValue getMOVLP(SDValue &Op, DebugLoc &dl, SelectionDAG &DAG, bool HasSSE2) {
                               X86::getShuffleSHUFImmediate(SVOp), DAG);
 }
 
+static inline unsigned getUNPCKLOpcode(EVT VT) {
+  switch(VT.getSimpleVT().SimpleTy) {
+  case MVT::v4i32: return X86ISD::PUNPCKLDQ;
+  case MVT::v2i64: return X86ISD::PUNPCKLQDQ;
+  case MVT::v4f32: return X86ISD::UNPCKLPS;
+  case MVT::v2f64: return X86ISD::UNPCKLPD;
+  case MVT::v16i8: return X86ISD::PUNPCKLBW;
+  case MVT::v8i16: return X86ISD::PUNPCKLWD;
+  default:
+    llvm_unreachable("Unknow type for unpckl");
+  }
+  return 0;
+}
+
+static inline unsigned getUNPCKHOpcode(EVT VT) {
+  switch(VT.getSimpleVT().SimpleTy) {
+  case MVT::v4i32: return X86ISD::PUNPCKHDQ;
+  case MVT::v2i64: return X86ISD::PUNPCKHQDQ;
+  case MVT::v4f32: return X86ISD::UNPCKHPS;
+  case MVT::v2f64: return X86ISD::UNPCKHPD;
+  case MVT::v16i8: return X86ISD::PUNPCKHBW;
+  case MVT::v8i16: return X86ISD::PUNPCKHWD;
+  default:
+    llvm_unreachable("Unknow type for unpckh");
+  }
+  return 0;
+}
+
 SDValue
 X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
   ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(Op);