[SystemZ] Add support for the "o" inline asm constraint
We don't really need any special handling of "offsettable"
memory addresses, but since some existing code uses inline
asm statements with the "o" constraint, add support for this
constraint for compatibility purposes.
llvm-svn: 317807
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.h b/llvm/lib/Target/SystemZ/SystemZISelLowering.h
index e2e27d9..099b442 100644
--- a/llvm/lib/Target/SystemZ/SystemZISelLowering.h
+++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.h
@@ -426,6 +426,8 @@
switch(ConstraintCode[0]) {
default:
break;
+ case 'o':
+ return InlineAsm::Constraint_o;
case 'Q':
return InlineAsm::Constraint_Q;
case 'R':