[MCJIT] Improve a RuntimeDyldChecker diagnostic.
When a RuntimeDyldChecker test requests an invalid operand for an instruction,
print the decoded instruction to aid diagnosis.
llvm-svn: 213202
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp
index b10ec36..1e63d92 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldChecker.cpp
@@ -233,9 +233,13 @@
std::string ErrMsg;
raw_string_ostream ErrMsgStream(ErrMsg);
ErrMsgStream << "Invalid operand index '" << format("%i", OpIdx)
- << " for instruction '" << Symbol
- << ". Instruction has only "
- << format("%i", Inst.getNumOperands()) << " operands.";
+ << "' for instruction '" << Symbol
+ << "'. Instruction has only "
+ << format("%i", Inst.getNumOperands())
+ << " operands.\nInstruction is:\n ";
+ Inst.dump_pretty(ErrMsgStream,
+ Checker.Disassembler->getContext().getAsmInfo(),
+ Checker.InstPrinter);
return std::make_pair(EvalResult(ErrMsgStream.str()), "");
}