llvm-mc/AsmParser: Allow .td users to redefine the names of the methods to call
on target specific operands for testing class membership and converting to
MCInst operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78597 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
index 0f3f9ed..019348b 100644
--- a/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -589,8 +589,27 @@
CI->ClassName = (*it)->getValueAsString("Name");
CI->Name = "MCK_" + CI->ClassName;
CI->ValueName = (*it)->getName();
- CI->PredicateMethod = "is" + CI->ClassName;
- CI->RenderMethod = "add" + CI->ClassName + "Operands";
+
+ // Get or construct the predicate method name.
+ Init *PMName = (*it)->getValueInit("PredicateMethod");
+ if (StringInit *SI = dynamic_cast<StringInit*>(PMName)) {
+ CI->PredicateMethod = SI->getValue();
+ } else {
+ assert(dynamic_cast<UnsetInit*>(PMName) &&
+ "Unexpected PredicateMethod field!");
+ CI->PredicateMethod = "is" + CI->ClassName;
+ }
+
+ // Get or construct the render method name.
+ Init *RMName = (*it)->getValueInit("RenderMethod");
+ if (StringInit *SI = dynamic_cast<StringInit*>(RMName)) {
+ CI->RenderMethod = SI->getValue();
+ } else {
+ assert(dynamic_cast<UnsetInit*>(RMName) &&
+ "Unexpected RenderMethod field!");
+ CI->RenderMethod = "add" + CI->ClassName + "Operands";
+ }
+
AsmOperandClasses[*it] = CI;
Classes.push_back(CI);
}