This patch that sets the EmitAlias flag in td files
and enables the instruction printer to print aliased
instructions.
Due to usage of RegisterOperands a change in common
code (utils/TableGen/AsmWriterEmitter.cpp) is required
to get the correct register value if it is a RegisterOperand.
Contributer: Vladimir Medic
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174358 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/AsmWriterEmitter.cpp b/utils/TableGen/AsmWriterEmitter.cpp
index 73b083b..ac8d896 100644
--- a/utils/TableGen/AsmWriterEmitter.cpp
+++ b/utils/TableGen/AsmWriterEmitter.cpp
@@ -842,8 +842,11 @@
if (!IAP->isOpMapped(ROName)) {
IAP->addOperand(ROName, i);
+ Record *R = CGA->ResultOperands[i].getRecord();
+ if (R->isSubClassOf("RegisterOperand"))
+ R = R->getValueAsDef("RegClass");
Cond = std::string("MRI.getRegClass(") + Target.getName() + "::" +
- CGA->ResultOperands[i].getRecord()->getName() + "RegClassID)"
+ R->getName() + "RegClassID)"
".contains(MI->getOperand(" + llvm::utostr(i) + ").getReg())";
IAP->addCond(Cond);
} else {