Don't create a ridiculous EXTRACT_ELEMENT. PR10563.
The testcase looks extremely fragile, so I'm adding an assertion which should catch any cases like this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136711 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 888d8b4..8b353a2 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2884,6 +2884,7 @@
assert(N2C && (unsigned)N2C->getZExtValue() < 2 && "Bad EXTRACT_ELEMENT!");
assert(!N1.getValueType().isVector() && !VT.isVector() &&
(N1.getValueType().isInteger() == VT.isInteger()) &&
+ N1.getValueType() != VT &&
"Wrong types for EXTRACT_ELEMENT!");
// EXTRACT_ELEMENT of BUILD_PAIR is often formed while legalize is expanding