Use edge weights to choose the right linker based on input language names.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50759 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvmc2/Example.td b/tools/llvmc2/Example.td
index 2270902..6fb998b 100644
--- a/tools/llvmc2/Example.td
+++ b/tools/llvmc2/Example.td
@@ -34,12 +34,14 @@
     Edge<llc, llvm_gcc_assembler>,
     Edge<llvm_gcc_assembler, llvm_gcc_linker>,
     OptionalEdge<llvm_gcc_assembler, llvm_gcc_cpp_linker,
-                 [(parameter_equals "linker", "g++"),
-                  (parameter_equals "linker", "c++")]>,
+                 [(if_input_languages_contain "c++"),
+                  (or (parameter_equals "linker", "g++"),
+                      (parameter_equals "linker", "c++"))]>,
 
 
     Edge<root, llvm_gcc_linker>,
     OptionalEdge<root, llvm_gcc_cpp_linker,
-                 [(parameter_equals "linker", "g++"),
-                  (parameter_equals "linker", "c++")]>
+                 [(if_input_languages_contain "c++"),
+                  (or (parameter_equals "linker", "g++"),
+                      (parameter_equals "linker", "c++"))]>
     ]>;