From: Ahmed Bougacha <ahmed.bougacha@gmail.com>
Date: Thu, 13 Aug 2015 01:10:29 +0000 (+0000)
Subject: [CodeGen] Assert on getNode(FP_EXTEND) with a smaller dst type.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5d8c9c45e5551b4c216719d1aadc2f701ee67ec0;p=oota-llvm.git

[CodeGen] Assert on getNode(FP_EXTEND) with a smaller dst type.

This would have caught the problem in r244858.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244859 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index b696c33d9f6..0e3e83748a1 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3010,6 +3010,8 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL,
             VT.getVectorNumElements() ==
             Operand.getValueType().getVectorNumElements()) &&
            "Vector element count mismatch!");
+    assert(Operand.getValueType().bitsLT(VT) &&
+           "Invalid fpext node, dst < src!");
     if (Operand.getOpcode() == ISD::UNDEF)
       return getUNDEF(VT);
     break;