[llvm] r347642 - [X86] Use getUnpackl/getUnpackh instead of directly creating UNPCKL/UNPCKH nodes.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Mon Nov 26 22:24:56 2018
New Revision: 347642

URL: http://llvm.org/viewvc/llvm-project?rev=347642&view=rev
Log:
[X86] Use getUnpackl/getUnpackh instead of directly creating UNPCKL/UNPCKH nodes.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=347642&r1=347641&r2=347642&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Mon Nov 26 22:24:56 2018
@@ -24549,10 +24549,10 @@ static SDValue LowerShift(SDValue Op, co
       // For SRA we need to unpack each byte to the higher byte of a i16 vector
       // so we can correctly sign extend. We don't care what happens to the
       // lower byte.
-      SDValue ALo = DAG.getNode(X86ISD::UNPCKL, dl, VT, DAG.getUNDEF(VT), Amt);
-      SDValue AHi = DAG.getNode(X86ISD::UNPCKH, dl, VT, DAG.getUNDEF(VT), Amt);
-      SDValue RLo = DAG.getNode(X86ISD::UNPCKL, dl, VT, DAG.getUNDEF(VT), R);
-      SDValue RHi = DAG.getNode(X86ISD::UNPCKH, dl, VT, DAG.getUNDEF(VT), R);
+      SDValue ALo = getUnpackl(DAG, dl, VT, DAG.getUNDEF(VT), Amt);
+      SDValue AHi = getUnpackh(DAG, dl, VT, DAG.getUNDEF(VT), Amt);
+      SDValue RLo = getUnpackl(DAG, dl, VT, DAG.getUNDEF(VT), R);
+      SDValue RHi = getUnpackh(DAG, dl, VT, DAG.getUNDEF(VT), R);
       ALo = DAG.getBitcast(ExtVT, ALo);
       AHi = DAG.getBitcast(ExtVT, AHi);
       RLo = DAG.getBitcast(ExtVT, RLo);
@@ -24595,10 +24595,10 @@ static SDValue LowerShift(SDValue Op, co
   if (Subtarget.hasInt256() && !Subtarget.hasXOP() && VT == MVT::v16i16) {
     MVT ExtVT = MVT::v8i32;
     SDValue Z = DAG.getConstant(0, dl, VT);
-    SDValue ALo = DAG.getNode(X86ISD::UNPCKL, dl, VT, Amt, Z);
-    SDValue AHi = DAG.getNode(X86ISD::UNPCKH, dl, VT, Amt, Z);
-    SDValue RLo = DAG.getNode(X86ISD::UNPCKL, dl, VT, Z, R);
-    SDValue RHi = DAG.getNode(X86ISD::UNPCKH, dl, VT, Z, R);
+    SDValue ALo = getUnpackl(DAG, dl, VT, Amt, Z);
+    SDValue AHi = getUnpackh(DAG, dl, VT, Amt, Z);
+    SDValue RLo = getUnpackl(DAG, dl, VT, Z, R);
+    SDValue RHi = getUnpackh(DAG, dl, VT, Z, R);
     ALo = DAG.getBitcast(ExtVT, ALo);
     AHi = DAG.getBitcast(ExtVT, AHi);
     RLo = DAG.getBitcast(ExtVT, RLo);