AsmParser: Don't crash when insertvalue has bad operands

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228813 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AsmParser/LLParser.cpp

@@ -4951,8 +4951,13 @@ int LLParser::ParseInsertValue(Instruction *&Inst, PerFunctionState &PFS) {
   if (!Val0->getType()->isAggregateType())
     return Error(Loc0, "insertvalue operand must be aggregate type");
 
-  if (!ExtractValueInst::getIndexedType(Val0->getType(), Indices))
+  Type *IndexedType = ExtractValueInst::getIndexedType(Val0->getType(), Indices);
+  if (!IndexedType)
     return Error(Loc0, "invalid indices for insertvalue");
+  if (IndexedType != Val1->getType())
+    return Error(Loc1, "insertvalue operand and field disagree in type: '" +
+                           getTypeString(Val1->getType()) + "' instead of '" +
+                           getTypeString(IndexedType) + "'");
   Inst = InsertValueInst::Create(Val0, Val1, Indices);
   return AteExtraComma ? InstExtraComma : InstNormal;
 }

test/Assembler/insertvalue-invalid-type.ll

@@ -0,0 +1,9 @@
+; RUN: not llvm-as < %s 2>&1 | FileCheck %s
+
+; CHECK: insertvalue operand and field disagree in type: 'i8*' instead of 'i32'
+
+define void @test() {
+entry:
+  insertvalue { i32, i32 } undef, i8* null, 0
+  ret void
+}