[PATCH] D22275: Support -fno-delayed-template-parsing in clang-cl.exe

[Dave Bartolomeo via cfe-commits]

DaveBartolomeo created this revision.
DaveBartolomeo added reviewers: rnk, majnemer, cfe-commits.

This change adds support for the -fno-delayed-template-parsing option in 
clang-cl.exe. This allows developers using clang-cl.exe to opt out of emulation 
of MSVC's non-conformant template instantiation implementation while continuing 
to use clang-cl.exe for its emulation of cl.exe command-line options. The 
default behavior of clang-cl.exe (-fdelayed-template-parsing) is unchanged.

The MSVC Standard Library implementation uses clang-cl.exe with this switch in 
its tests to ensure that the library headers work on compilers with the 
conformant two-phase-lookup behavior.


http://reviews.llvm.org/D22275

Files:
  include/clang/Driver/Options.td

Index: include/clang/Driver/Options.td
===================================================================
--- include/clang/Driver/Options.td
+++ include/clang/Driver/Options.td
@@ -813,7 +813,7 @@
                "(default))">;
 def fdelayed_template_parsing : Flag<["-"], "fdelayed-template-parsing">, 
Group<f_Group>,
   HelpText<"Parse templated function definitions at the end of the "
-           "translation unit">,  Flags<[CC1Option]>;
+           "translation unit">,  Flags<[CC1Option, CoreOption]>;
 def fms_memptr_rep_EQ : Joined<["-"], "fms-memptr-rep=">, Group<f_Group>, 
Flags<[CC1Option]>;
 def fmodules_cache_path : Joined<["-"], "fmodules-cache-path=">, 
Group<i_Group>,
   Flags<[DriverOption, CC1Option]>, MetaVarName<"<directory>">,
@@ -950,7 +950,7 @@
   Flags<[CoreOption]>;
 def fno_ms_compatibility : Flag<["-"], "fno-ms-compatibility">, Group<f_Group>,
   Flags<[CoreOption]>;
-def fno_delayed_template_parsing : Flag<["-"], 
"fno-delayed-template-parsing">, Group<f_Group>;
+def fno_delayed_template_parsing : Flag<["-"], 
"fno-delayed-template-parsing">, Group<f_Group>, Flags<[CC1Option, CoreOption]>;
 def fno_objc_exceptions: Flag<["-"], "fno-objc-exceptions">, Group<f_Group>;
 def fno_objc_legacy_dispatch : Flag<["-"], "fno-objc-legacy-dispatch">, 
Group<f_Group>;
 def fno_objc_weak : Flag<["-"], "fno-objc-weak">, Group<f_Group>, 
Flags<[CC1Option]>;



Index: include/clang/Driver/Options.td
===================================================================
--- include/clang/Driver/Options.td
+++ include/clang/Driver/Options.td
@@ -813,7 +813,7 @@
                "(default))">;
 def fdelayed_template_parsing : Flag<["-"], "fdelayed-template-parsing">, Group<f_Group>,
   HelpText<"Parse templated function definitions at the end of the "
-           "translation unit">,  Flags<[CC1Option]>;
+           "translation unit">,  Flags<[CC1Option, CoreOption]>;
 def fms_memptr_rep_EQ : Joined<["-"], "fms-memptr-rep=">, Group<f_Group>, Flags<[CC1Option]>;
 def fmodules_cache_path : Joined<["-"], "fmodules-cache-path=">, Group<i_Group>,
   Flags<[DriverOption, CC1Option]>, MetaVarName<"<directory>">,
@@ -950,7 +950,7 @@
   Flags<[CoreOption]>;
 def fno_ms_compatibility : Flag<["-"], "fno-ms-compatibility">, Group<f_Group>,
   Flags<[CoreOption]>;
-def fno_delayed_template_parsing : Flag<["-"], "fno-delayed-template-parsing">, Group<f_Group>;
+def fno_delayed_template_parsing : Flag<["-"], "fno-delayed-template-parsing">, Group<f_Group>, Flags<[CC1Option, CoreOption]>;
 def fno_objc_exceptions: Flag<["-"], "fno-objc-exceptions">, Group<f_Group>;
 def fno_objc_legacy_dispatch : Flag<["-"], "fno-objc-legacy-dispatch">, Group<f_Group>;
 def fno_objc_weak : Flag<["-"], "fno-objc-weak">, Group<f_Group>, Flags<[CC1Option]>;

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