llvm-mc: Add --show-inst option, for showing the MCInst inline with the assembly
output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95227 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index 342ae99..c05bd52 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -46,6 +46,9 @@
 static cl::opt<bool>
 ShowEncoding("show-encoding", cl::desc("Show instruction encodings"));
 
+static cl::opt<bool>
+ShowInst("show-inst", cl::desc("Show internal instruction representation"));
+
 static cl::opt<unsigned>
 OutputAsmVariant("output-asm-variant",
                  cl::desc("Syntax variant to use for output printing"));
@@ -266,7 +269,8 @@
       CE.reset(TheTarget->createCodeEmitter(*TM));
     Str.reset(createAsmStreamer(Ctx, *Out, *MAI,
                                 TM->getTargetData()->isLittleEndian(),
-                                /*asmverbose*/true, IP.get(), CE.get()));
+                                /*asmverbose*/true, IP.get(), CE.get(),
+                                ShowInst));
   } else {
     assert(FileType == OFT_ObjectFile && "Invalid file type!");
     CE.reset(TheTarget->createCodeEmitter(*TM));