Modify the intrinsics pattern to separate out the "return" types from the
"parameter" types. An intrinsic can now return a multiple return values like
this:
def add_with_overflow : Intrinsic<[llvm_i32_ty, llvm_i1_ty],
[LLVMMatchType<0>, LLVMMatchType<0>]>;
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59237 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenIntrinsics.h b/utils/TableGen/CodeGenIntrinsics.h
index 4de9386..1170da0 100644
--- a/utils/TableGen/CodeGenIntrinsics.h
+++ b/utils/TableGen/CodeGenIntrinsics.h
@@ -30,16 +30,34 @@
std::string GCCBuiltinName;// Name of the corresponding GCC builtin, or "".
std::string TargetPrefix; // Target prefix, e.g. "ppc" for t-s intrinsics.
- /// ArgVTs - The MVT::SimpleValueType for each argument type. Note that
- /// this list is only populated when in the context of a target .td file.
- /// When building Intrinsics.td, this isn't available, because we don't know
- /// the target pointer size.
- std::vector<MVT::SimpleValueType> ArgVTs;
+ /// IntrinsicSignature - This structure holds the return values and
+ /// parameter values of an intrinsic. If the number of return values is > 1,
+ /// then the intrinsic implicitly returns a first-class aggregate. The
+ /// numbering of the types starts at 0 with the first return value and
+ /// continues from there throug the parameter list. This is useful for
+ /// "matching" types.
+ struct IntrinsicSignature {
+ /// RetVTs - The MVT::SimpleValueType for each return type. Note that this
+ /// list is only populated when in the context of a target .td file. When
+ /// building Intrinsics.td, this isn't available, because we don't know
+ /// the target pointer size.
+ std::vector<MVT::SimpleValueType> RetVTs;
- /// ArgTypeDefs - The records for each argument type.
- ///
- std::vector<Record*> ArgTypeDefs;
-
+ /// RetTypeDefs - The records for each return type.
+ std::vector<Record*> RetTypeDefs;
+
+ /// ParamVTs - The MVT::SimpleValueType for each parameter type. Note that
+ /// this list is only populated when in the context of a target .td file.
+ /// When building Intrinsics.td, this isn't available, because we don't
+ /// know the target pointer size.
+ std::vector<MVT::SimpleValueType> ParamVTs;
+
+ /// ParamTypeDefs - The records for each parameter type.
+ std::vector<Record*> ParamTypeDefs;
+ };
+
+ IntrinsicSignature IS;
+
// Memory mod/ref behavior of this intrinsic.
enum {
NoMem, ReadArgMem, ReadMem, WriteArgMem, WriteMem