Rename CCIfStruct to CCIfByVal and CCStructAssign to CCPassByVal. Remove unused parameters of CCStructAssign and add size and alignment requirement info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45997 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CallingConvEmitter.cpp b/utils/TableGen/CallingConvEmitter.cpp
index f7c2eda..0ffbd68 100644
--- a/utils/TableGen/CallingConvEmitter.cpp
+++ b/utils/TableGen/CallingConvEmitter.cpp
@@ -140,9 +140,12 @@
         << IndentStr << IndentStr << "LocInfo = CCValAssign::ZExt;\n"
         << IndentStr << "else\n"
         << IndentStr << IndentStr << "LocInfo = CCValAssign::AExt;\n";
-    } else if (Action->isSubClassOf("CCStructAssign")) {
-      O << IndentStr <<
-          "State.HandleStruct(ValNo, ValVT, LocVT, LocInfo, ArgFlags);\n";
+    } else if (Action->isSubClassOf("CCPassByVal")) {
+      int Size = Action->getValueAsInt("Size");
+      int Align = Action->getValueAsInt("Align");
+      O << IndentStr
+        << "State.HandleByVal(ValNo, ValVT, LocVT, LocInfo, "
+        << Size << ", " << Align << ", ArgFlags);\n";
       O << IndentStr << "return false;\n";
     } else {
       Action->dump();