lli: Switch to using ParseIRFile, for consistency with other LLVM tools.

 - Also, switch tests to not using llvm-as. They run 20% faster now, not that it matters.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118952 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/ExecutionEngine/stubs.ll b/test/ExecutionEngine/stubs.ll
index 525d135..bd9f69a 100644
--- a/test/ExecutionEngine/stubs.ll
+++ b/test/ExecutionEngine/stubs.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | lli -disable-lazy-compilation=false
+; RUN: lli -disable-lazy-compilation=false %s
 
 define i32 @main() nounwind {
 entry: