[tablegen] Use categories on options that only matter to one emitter.

Summary:
The categories are emitted in a strange order in this patch due to a bug in the
CommandLine library.

Reviewers: ab

Reviewed By: ab

Subscribers: ab, llvm-commits

Differential Revision: https://reviews.llvm.org/D30995

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298843 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/AsmMatcherEmitter.cpp

@@ -123,9 +123,12 @@ using namespace llvm;
 
 #define DEBUG_TYPE "asm-matcher-emitter"
 
+cl::OptionCategory AsmMatcherEmitterCat("Options for -gen-asm-matcher");
+
 static cl::opt<std::string>
-MatchPrefix("match-prefix", cl::init(""),
-            cl::desc("Only match instructions with the given prefix"));
+    MatchPrefix("match-prefix", cl::init(""),
+                cl::desc("Only match instructions with the given prefix"),
+                cl::cat(AsmMatcherEmitterCat));
 
 namespace {
 class AsmMatcherInfo;

utils/TableGen/CodeGenTarget.cpp

@@ -25,13 +25,18 @@
 #include <algorithm>
 using namespace llvm;
 
+cl::OptionCategory AsmParserCat("Options for -gen-asm-parser");
+cl::OptionCategory AsmWriterCat("Options for -gen-asm-writer");
+
 static cl::opt<unsigned>
-AsmParserNum("asmparsernum", cl::init(0),
-             cl::desc("Make -gen-asm-parser emit assembly parser #N"));
+    AsmParserNum("asmparsernum", cl::init(0),
+                 cl::desc("Make -gen-asm-parser emit assembly parser #N"),
+                 cl::cat(AsmParserCat));
 
 static cl::opt<unsigned>
-AsmWriterNum("asmwriternum", cl::init(0),
-             cl::desc("Make -gen-asm-writer emit assembly writer #N"));
+    AsmWriterNum("asmwriternum", cl::init(0),
+                 cl::desc("Make -gen-asm-writer emit assembly writer #N"),
+                 cl::cat(AsmWriterCat));
 
 /// getValueType - Return the MVT::SimpleValueType that the specified TableGen
 /// record corresponds to.

utils/TableGen/DAGISelMatcherEmitter.cpp

@@ -30,15 +30,17 @@ enum {
   CommentIndent = 30
 };
 
+cl::OptionCategory DAGISelCat("Options for -gen-dag-isel");
+
 // To reduce generated source code size.
-static cl::opt<bool>
-OmitComments("omit-comments", cl::desc("Do not generate comments"),
-             cl::init(false));
+static cl::opt<bool> OmitComments("omit-comments",
+                                  cl::desc("Do not generate comments"),
+                                  cl::init(false), cl::cat(DAGISelCat));
 
 static cl::opt<bool> InstrumentCoverage(
     "instrument-coverage",
     cl::desc("Generates tables to help identify patterns matched"),
-    cl::init(false));
+    cl::init(false), cl::cat(DAGISelCat));
 
 namespace {
 class MatcherTableEmitter {

utils/TableGen/GlobalISelEmitter.cpp

@@ -52,11 +52,13 @@ STATISTIC(NumPatternImported, "Number of patterns imported from SelectionDAG");
 STATISTIC(NumPatternImportsSkipped, "Number of SelectionDAG imports skipped");
 STATISTIC(NumPatternEmitted, "Number of patterns emitted");
 
+cl::OptionCategory GlobalISelEmitterCat("Options for -gen-global-isel");
+
 static cl::opt<bool> WarnOnSkippedPatterns(
     "warn-on-skipped-patterns",
     cl::desc("Explain why a pattern was skipped for inclusion "
              "in the GlobalISel selector"),
-    cl::init(false));
+    cl::init(false), cl::cat(GlobalISelEmitterCat));
 
 namespace {
 //===- Helper functions ---------------------------------------------------===//

utils/TableGen/TableGen.cpp

@@ -102,9 +102,10 @@ namespace {
                     clEnumValN(GenRegisterBank, "gen-register-bank",
                                "Generate registers bank descriptions")));
 
+  cl::OptionCategory PrintEnumsCat("Options for -print-enums");
   cl::opt<std::string>
   Class("class", cl::desc("Print Enum list for this class"),
-          cl::value_desc("class name"));
+        cl::value_desc("class name"), cl::cat(PrintEnumsCat));
 
 bool LLVMTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
   switch (Action) {