[cfe-commits] r68162 - in /cfe/trunk: lib/CodeGen/Mangle.cpp test/CodeGenCXX/mangle.cpp

[Anders Carlsson]

Author: andersca
Date: Tue Mar 31 19:15:23 2009
New Revision: 68162

URL: http://llvm.org/viewvc/llvm-project?rev=68162&view=rev
Log:
Fix a mangling bug where functions with no arguments weren't getting the 'v' parameter specifier.

Modified:
    cfe/trunk/lib/CodeGen/Mangle.cpp
    cfe/trunk/test/CodeGenCXX/mangle.cpp

Modified: cfe/trunk/lib/CodeGen/Mangle.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/Mangle.cpp?rev=68162&r1=68161&r2=68162&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/Mangle.cpp (original)
+++ cfe/trunk/lib/CodeGen/Mangle.cpp Tue Mar 31 19:15:23 2009
@@ -477,6 +477,11 @@
   const FunctionProtoType *Proto = dyn_cast<FunctionProtoType>(T);
   assert(Proto && "Can't mangle K&R function prototypes");
 
+  if (Proto->getNumArgs() == 0) {
+    Out << 'v';
+    return;
+  }
+    
   for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(),
                                          ArgEnd = Proto->arg_type_end(); 
        Arg != ArgEnd; ++Arg)

Modified: cfe/trunk/test/CodeGenCXX/mangle.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/mangle.cpp?rev=68162&r1=68161&r2=68162&view=diff

==============================================================================
--- cfe/trunk/test/CodeGenCXX/mangle.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/mangle.cpp Tue Mar 31 19:15:23 2009
@@ -24,3 +24,5 @@
 typedef struct { int a; } x,y;
 void f(y) { }
 
+// RUN: grep _Z1fv %t | count 1
+void f() { }