Forward parameter options as '-option=parameter'.

Some tools do not like the '-option parameter' form. Should this be
configurable?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96130 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/LLVMC/ForwardAs.td b/test/LLVMC/ForwardAs.td
index ce6fbb0..28bba60 100644
--- a/test/LLVMC/ForwardAs.td
+++ b/test/LLVMC/ForwardAs.td
@@ -13,7 +13,7 @@
 (in_language "dummy"),
 (out_language "dummy"),
 (actions (case
-         // CHECK: vec.push_back("unique_name")
+         // CHECK: vec.push_back("unique_name
          (not_empty "dummy"), (forward_as "dummy", "unique_name")))
 ]>;
 
diff --git a/utils/TableGen/LLVMCConfigurationEmitter.cpp b/utils/TableGen/LLVMCConfigurationEmitter.cpp
index 2abc94b..5558904 100644
--- a/utils/TableGen/LLVMCConfigurationEmitter.cpp
+++ b/utils/TableGen/LLVMCConfigurationEmitter.cpp
@@ -1792,8 +1792,8 @@
     O.indent(IndentLevel) << "vec.push_back(\"" << Name << "\");\n";
     break;
   case OptionType::Parameter:
-    O.indent(IndentLevel) << "vec.push_back(\"" << Name << "\");\n";
-    O.indent(IndentLevel) << "vec.push_back(" << D.GenVariableName() << ");\n";
+    O.indent(IndentLevel) << "vec.push_back(\"" << Name << "=\" + "
+                          << D.GenVariableName() << ");\n";
     break;
   case OptionType::Prefix:
     O.indent(IndentLevel) << "vec.push_back(\"" << Name << "\" + "