[llvm-commits] [llvm] r147337 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Craig Topper craig.topper at gmail.com
Wed Dec 28 19:34:55 PST 2011


Author: ctopper
Date: Wed Dec 28 21:34:54 2011
New Revision: 147337

URL: http://llvm.org/viewvc/llvm-project?rev=147337&view=rev
Log:
Make LowerBUILD_VECTOR keep node vector types consistent when creating MOVL for v16i16 and v32i8.

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=147337&r1=147336&r2=147337&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Wed Dec 28 21:34:54 2011
@@ -5182,17 +5182,16 @@
 
       if (ExtVT == MVT::i16 || ExtVT == MVT::i8) {
         Item = DAG.getNode(ISD::ZERO_EXTEND, dl, MVT::i32, Item);
+        Item = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, MVT::v4i32, Item);
         if (VT.getSizeInBits() == 256) {
-          EVT VT128 = EVT::getVectorVT(*DAG.getContext(), ExtVT, NumElems / 2);
-          Item = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, VT128, Item);
-          SDValue ZeroVec = getZeroVector(VT, true, DAG, dl);
-          return Insert128BitVector(ZeroVec, Item, DAG.getConstant(0, MVT::i32),
-                              DAG, dl);
+          SDValue ZeroVec = getZeroVector(MVT::v8i32, true, DAG, dl);
+          Item = Insert128BitVector(ZeroVec, Item, DAG.getConstant(0, MVT::i32),
+                                    DAG, dl);
+        } else {
+          assert(VT.getSizeInBits() == 128 && "Expected an SSE value type!");
+          Item = getShuffleVectorZeroOrUndef(Item, 0, true,
+                                             Subtarget->hasXMMInt(), DAG);
         }
-        assert(VT.getSizeInBits() == 128 && "Expected an SSE value type!");
-        Item = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, MVT::v4i32, Item);
-        Item = getShuffleVectorZeroOrUndef(Item, 0, true,
-                                           Subtarget->hasXMMInt(), DAG);
         return DAG.getNode(ISD::BITCAST, dl, VT, Item);
       }
     }





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