Ignore register mask operands when lowering instructions to MC.
This is similar to implicit register operands. MC doesn't understand
register liveness and call clobbers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148437 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMMCInstLower.cpp b/lib/Target/ARM/ARMMCInstLower.cpp
index daa126d..a63a94d 100644
--- a/lib/Target/ARM/ARMMCInstLower.cpp
+++ b/lib/Target/ARM/ARMMCInstLower.cpp
@@ -107,6 +107,9 @@
MCOp = MCOperand::CreateFPImm(Val.convertToDouble());
break;
}
+ case MachineOperand::MO_RegisterMask:
+ // Ignore call clobbers.
+ return false;
}
return true;
}