[PATCH] D75017: [Driver][X86] Add helptext for malign-branch*, mbranches-within-32B-boundaries

[Kan Shengchen via Phabricator via cfe-commits]

skan updated this revision to Diff 246132.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75017/new/

https://reviews.llvm.org/D75017

Files:
  clang/include/clang/Driver/Options.td


Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -2166,10 +2166,13 @@
 def malign_functions_EQ : Joined<["-"], "malign-functions=">, Group<clang_ignored_m_Group>;
 def malign_loops_EQ : Joined<["-"], "malign-loops=">, Group<clang_ignored_m_Group>;
 def malign_jumps_EQ : Joined<["-"], "malign-jumps=">, Group<clang_ignored_m_Group>;
-def malign_branch_EQ : CommaJoined<["-"], "malign-branch=">, Group<m_Group>;
-def malign_branch_boundary_EQ : Joined<["-"], "malign-branch-boundary=">, Group<m_Group>;
+def malign_branch_EQ : CommaJoined<["-"], "malign-branch=">, Group<m_Group>, Flags<[DriverOption]>,
+  HelpText<"Specify types of branches to align">;
+def malign_branch_boundary_EQ : Joined<["-"], "malign-branch-boundary=">, Group<m_Group>, Flags<[DriverOption]>,
+  HelpText<"Specify the boundary's size to align branches">;
 def malign_branch_prefix_size_EQ : Joined<["-"], "malign-branch-prefix-size=">, Group<m_Group>;
-def mbranches_within_32B_boundaries : Flag<["-"], "mbranches-within-32B-boundaries">, Flags<[DriverOption]>, Group<m_Group>;
+def mbranches_within_32B_boundaries : Flag<["-"], "mbranches-within-32B-boundaries">, Flags<[DriverOption]>, Group<m_Group>,
+  HelpText<"Align selected branches (fused, jcc, jmp) within 32-byte boundary">;
 def mfancy_math_387 : Flag<["-"], "mfancy-math-387">, Group<clang_ignored_m_Group>;
 def mlong_calls : Flag<["-"], "mlong-calls">, Group<m_Group>,
   HelpText<"Generate branches with extended addressability, usually via indirect jumps.">;


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