diff options
Diffstat (limited to 'include/llvm/Target/Target.td')
| -rw-r--r-- | include/llvm/Target/Target.td | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/llvm/Target/Target.td b/include/llvm/Target/Target.td index bdb5abb..a62036a 100644 --- a/include/llvm/Target/Target.td +++ b/include/llvm/Target/Target.td @@ -258,11 +258,21 @@ def ins; /// of operands. def variable_ops; + +/// PointerLikeRegClass - Values that are designed to have pointer width are +/// derived from this. TableGen treats the register class as having a symbolic +/// type that it doesn't know, and resolves the actual regclass to use by using +/// the TargetRegisterInfo::getPointerRegClass() hook at codegen time. +class PointerLikeRegClass { + +} + + /// ptr_rc definition - Mark this operand as being a pointer value whose /// register class is resolved dynamically via a callback to TargetInstrInfo. /// FIXME: We should probably change this to a class which contain a list of /// flags. But currently we have but one flag. -def ptr_rc; +def ptr_rc : PointerLikeRegClass; /// unknown definition - Mark this operand as being of unknown type, causing /// it to be resolved by inference in the context it is used. |