[SelectionDAG] Added getBuildVector(ArrayRef<SDUse>) helper.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301322 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index 6f0509543e7d88d3204ca9e28348930c6a20b8dd..4bb658898fb559f00d5ae1358893b324522f9590 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -654,6 +654,15 @@ public:
     return getNode(ISD::BUILD_VECTOR, DL, VT, Ops);
   }
 
+  /// Return an ISD::BUILD_VECTOR node. The number of elements in VT,
+  /// which must be a vector type, must match the number of operands in Ops.
+  /// The operands must have the same type as (or, for integers, a type wider
+  /// than) VT's element type.
+  SDValue getBuildVector(EVT VT, const SDLoc &DL, ArrayRef<SDUse> Ops) {
+    // VerifySDNode (via InsertNode) checks BUILD_VECTOR later.
+    return getNode(ISD::BUILD_VECTOR, DL, VT, Ops);
+  }
+
   /// Return a splat ISD::BUILD_VECTOR node, consisting of Op splatted to all
   /// elements. VT must be a vector type. Op's type must be the same as (or,
   /// for integers, a type wider than) VT's element type.
@@ -968,7 +977,7 @@ public:
                         bool IsExpanding = false);
   SDValue getMaskedStore(SDValue Chain, const SDLoc &dl, SDValue Val,
                          SDValue Ptr, SDValue Mask, EVT MemVT,
-                         MachineMemOperand *MMO, bool IsTruncating = false, 
+                         MachineMemOperand *MMO, bool IsTruncating = false,
                          bool IsCompressing = false);
   SDValue getMaskedGather(SDVTList VTs, EVT VT, const SDLoc &dl,
                           ArrayRef<SDValue> Ops, MachineMemOperand *MMO);

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index b93bf475b2e6d117abb9b0403b8e6a5af3915a81..ada46643a5fefd48a635d6dcc5d9d53a1aa36e16 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -5060,8 +5060,8 @@ static SDValue extractSubVector(SDValue Vec, unsigned IdxVal, SelectionDAG &DAG,
 
   // If the input is a buildvector just emit a smaller one.
   if (Vec.getOpcode() == ISD::BUILD_VECTOR)
-    return DAG.getNode(ISD::BUILD_VECTOR, dl, ResultVT,
-                       makeArrayRef(Vec->op_begin() + IdxVal, ElemsPerChunk));
+    return DAG.getBuildVector(
+        ResultVT, dl, makeArrayRef(Vec->op_begin() + IdxVal, ElemsPerChunk));
 
   SDValue VecIdx = DAG.getIntPtrConstant(IdxVal, dl);
   return DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, ResultVT, Vec, VecIdx);
@@ -14424,8 +14424,8 @@ static SDValue LowerEXTRACT_SUBVECTOR(SDValue Op, const X86Subtarget &Subtarget,
   // If the input is a buildvector just emit a smaller one.
   unsigned ElemsPerChunk = ResVT.getVectorNumElements();
   if (In.getOpcode() == ISD::BUILD_VECTOR)
-    return DAG.getNode(ISD::BUILD_VECTOR, dl, ResVT,
-                       makeArrayRef(In->op_begin() + IdxVal, ElemsPerChunk));
+    return DAG.getBuildVector(
+        ResVT, dl, makeArrayRef(In->op_begin() + IdxVal, ElemsPerChunk));
 
   // Everything else is legal.
   return Op;