On Sun, Mar 06, 2011 at 11:31:02PM -0000, Joerg Sonnenberger wrote:
> Author: joerg
> Date: Sun Mar  6 17:31:01 2011
> New Revision: 127137
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=127137&view=rev
> Log:
> If called as *cpp or *cpp-[^-]*, run only the preprocessor. If no
> input is specified, use stdin implicitly. Based on a patch from
> Roman Divacky.

This broke the --no-demangle handling. Attached is a revised patch on
top. This changes back to passing down C->getArgs() as before, just
using the original DerivedArgList type. OK?

Joerg
Index: include/clang/Driver/Driver.h
===================================================================
--- include/clang/Driver/Driver.h	(revision 127138)
+++ include/clang/Driver/Driver.h	(working copy)
@@ -224,7 +224,7 @@
   /// \param TC - The default host tool chain.
   /// \param Args - The input arguments.
   /// \param Actions - The list to store the resulting actions onto.
-  void BuildActions(const ToolChain &TC, const InputArgList &Args,
+  void BuildActions(const ToolChain &TC, const DerivedArgList &Args,
                     ActionList &Actions) const;
 
   /// BuildUniversalActions - Construct the list of actions to perform
@@ -233,7 +233,7 @@
   /// \param TC - The default host tool chain.
   /// \param Args - The input arguments.
   /// \param Actions - The list to store the resulting actions onto.
-  void BuildUniversalActions(const ToolChain &TC, const InputArgList &Args,
+  void BuildUniversalActions(const ToolChain &TC, const DerivedArgList &Args,
                              ActionList &Actions) const;
 
   /// BuildJobs - Bind actions to concrete tools and translate
Index: lib/Driver/Driver.cpp
===================================================================
--- lib/Driver/Driver.cpp	(revision 127139)
+++ lib/Driver/Driver.cpp	(working copy)
@@ -308,10 +308,10 @@
 
   // Construct the list of abstract actions to perform for this compilation.
   if (Host->useDriverDriver())
-    BuildUniversalActions(C->getDefaultToolChain(), C->getInputArgs(),
+    BuildUniversalActions(C->getDefaultToolChain(), C->getArgs(),
                           C->getActions());
   else
-    BuildActions(C->getDefaultToolChain(), C->getInputArgs(), C->getActions());
+    BuildActions(C->getDefaultToolChain(), C->getArgs(), C->getActions());
 
   if (CCCPrintActions) {
     PrintActions(*C);
@@ -593,7 +593,7 @@
 }
 
 void Driver::BuildUniversalActions(const ToolChain &TC,
-                                   const InputArgList &Args,
+                                   const DerivedArgList &Args,
                                    ActionList &Actions) const {
   llvm::PrettyStackTraceString CrashInfo("Building universal build actions");
   // Collect the list of architectures. Duplicates are allowed, but should only
@@ -688,7 +688,7 @@
   }
 }
 
-void Driver::BuildActions(const ToolChain &TC, const InputArgList &Args,
+void Driver::BuildActions(const ToolChain &TC, const DerivedArgList &Args,
                           ActionList &Actions) const {
   llvm::PrettyStackTraceString CrashInfo("Building compilation actions");
   // Start by constructing the list of inputs and their types.
@@ -802,7 +802,7 @@
   if (CCCIsCPP && Inputs.empty()) {
     // If called as standalone preprocessor, stdin is processed
     // if no other input is present.
-    unsigned Index = Args.MakeIndex("-");
+    unsigned Index = Args.getBaseArgs().MakeIndex("-");
     Arg *A = Opts->ParseOneArg(Args, Index);
     A->claim();
     Inputs.push_back(std::make_pair(types::TY_C, A));
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