[SelectionDAG] Add asserts to verify the vectorness of input and output types of...

As a result of the underlying cause of PR41678 we created an ANY_EXTEND node with a scalar result type and v1i1 input type. Ideally we would have asserted for this instead of letting it go through to instruction selection and generate bad machine IR

Differential Revision: https://reviews.llvm.org/D61463

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359836 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index b893d3ffeefe306fc1b0c36c52e4f6a79898ab23..d2e876732b71015ecccdee08961f2e1049aa26db 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -4339,6 +4339,9 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
   case ISD::SIGN_EXTEND:
     assert(VT.isInteger() && Operand.getValueType().isInteger() &&
            "Invalid SIGN_EXTEND!");
+    assert(VT.isVector() == Operand.getValueType().isVector() &&
+           "SIGN_EXTEND result type type should be vector iff the operand "
+           "type is vector!");
     if (Operand.getValueType() == VT) return Operand;   // noop extension
     assert((!VT.isVector() ||
             VT.getVectorNumElements() ==
@@ -4355,6 +4358,9 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
   case ISD::ZERO_EXTEND:
     assert(VT.isInteger() && Operand.getValueType().isInteger() &&
            "Invalid ZERO_EXTEND!");
+    assert(VT.isVector() == Operand.getValueType().isVector() &&
+           "ZERO_EXTEND result type type should be vector iff the operand "
+           "type is vector!");
     if (Operand.getValueType() == VT) return Operand;   // noop extension
     assert((!VT.isVector() ||
             VT.getVectorNumElements() ==
@@ -4371,6 +4377,9 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
   case ISD::ANY_EXTEND:
     assert(VT.isInteger() && Operand.getValueType().isInteger() &&
            "Invalid ANY_EXTEND!");
+    assert(VT.isVector() == Operand.getValueType().isVector() &&
+           "ANY_EXTEND result type type should be vector iff the operand "
+           "type is vector!");
     if (Operand.getValueType() == VT) return Operand;   // noop extension
     assert((!VT.isVector() ||
             VT.getVectorNumElements() ==
@@ -4398,6 +4407,9 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
   case ISD::TRUNCATE:
     assert(VT.isInteger() && Operand.getValueType().isInteger() &&
            "Invalid TRUNCATE!");
+    assert(VT.isVector() == Operand.getValueType().isVector() &&
+           "TRUNCATE result type type should be vector iff the operand "
+           "type is vector!");
     if (Operand.getValueType() == VT) return Operand;   // noop truncate
     assert((!VT.isVector() ||
             VT.getVectorNumElements() ==