[BPF] Remove exit-on-error flag in test (PR27767)

The exit-on-error flag is needed to avoid an assert where
llvm::SelectionDAGISel::LowerArguments doesn't create enough arguments. Fill up
with zeroes to reach the right number of args.

Fixes PR27767.

Differential Revision: http://reviews.llvm.org/D20571

llvm-svn: 270855

llvm/lib/Target/BPF/BPFISelLowering.cpp

@@ -199,6 +199,7 @@ SDValue BPFTargetLowering::LowerFormalArguments(
       }
     } else {
       fail(DL, DAG, "defined with too many args");
+      InVals.push_back(DAG.getConstant(0, DL, VA.getLocVT()));
     }
   }
 

llvm/test/CodeGen/BPF/many_args2.ll

@@ -1,4 +1,4 @@
-; RUN: not llc -march=bpf -exit-on-error < %s 2> %t1
+; RUN: not llc -march=bpf < %s 2> %t1
 ; RUN: FileCheck %s < %t1
 ; CHECK: too many args