Reintroduce support for overloading target intrinsics
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86114 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp b/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp
index 544dc68..c8c5925 100644
--- a/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp
+++ b/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp
@@ -12,7 +12,11 @@
//===----------------------------------------------------------------------===//
#include "BlackfinIntrinsicInfo.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Function.h"
#include "llvm/Intrinsics.h"
+#include "llvm/Module.h"
+#include "llvm/Type.h"
#include "llvm/Support/raw_ostream.h"
#include <cstring>
@@ -30,18 +34,21 @@
}
-const char *BlackfinIntrinsicInfo::getName(unsigned IntrID) const {
+std::string BlackfinIntrinsicInfo::getName(unsigned IntrID, const Type **Tys,
+ unsigned numTys) const {
static const char *const names[] = {
#define GET_INTRINSIC_NAME_TABLE
#include "BlackfinGenIntrinsics.inc"
#undef GET_INTRINSIC_NAME_TABLE
};
+ assert(!isOverloaded(IntrID) && "Blackfin intrinsics are not overloaded");
if (IntrID < Intrinsic::num_intrinsics)
return 0;
assert(IntrID < bfinIntrinsic::num_bfin_intrinsics && "Invalid intrinsic ID");
- return names[IntrID - Intrinsic::num_intrinsics];
+ std::string Result(names[IntrID - Intrinsic::num_intrinsics]);
+ return Result;
}
unsigned
@@ -51,3 +58,44 @@
#undef GET_FUNCTION_RECOGNIZER
return 0;
}
+
+bool BlackfinIntrinsicInfo::isOverloaded(unsigned IntrID) const {
+ // Overload Table
+ const bool OTable[] = {
+ false, // illegal intrinsic
+#define GET_INTRINSIC_OVERLOAD_TABLE
+#include "BlackfinGenIntrinsics.inc"
+#undef GET_INTRINSIC_OVERLOAD_TABLE
+ };
+ if (IntrID == 0)
+ return false;
+ else
+ return OTable[IntrID - Intrinsic::num_intrinsics];
+}
+
+/// This defines the "getAttributes(ID id)" method.
+#define GET_INTRINSIC_ATTRIBUTES
+#include "BlackfinGenIntrinsics.inc"
+#undef GET_INTRINSIC_ATTRIBUTES
+
+static const FunctionType *getType(LLVMContext &Context, unsigned id) {
+ const Type *ResultTy = NULL;
+ std::vector<const Type*> ArgTys;
+ bool IsVarArg = false;
+
+#define GET_INTRINSIC_GENERATOR
+#include "BlackfinGenIntrinsics.inc"
+#undef GET_INTRINSIC_GENERATOR
+
+ return FunctionType::get(ResultTy, ArgTys, IsVarArg);
+}
+
+Function *BlackfinIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID,
+ const Type **Tys,
+ unsigned numTy) const {
+ assert(!isOverloaded(IntrID) && "Blackfin intrinsics are not overloaded");
+ AttrListPtr AList = getAttributes((bfinIntrinsic::ID) IntrID);
+ return cast<Function>(M->getOrInsertFunction(getName(IntrID),
+ getType(M->getContext(), IntrID),
+ AList));
+}
diff --git a/lib/Target/Blackfin/BlackfinIntrinsicInfo.h b/lib/Target/Blackfin/BlackfinIntrinsicInfo.h
index 3b59a60..7c4b5a9 100644
--- a/lib/Target/Blackfin/BlackfinIntrinsicInfo.h
+++ b/lib/Target/Blackfin/BlackfinIntrinsicInfo.h
@@ -19,8 +19,12 @@
class BlackfinIntrinsicInfo : public TargetIntrinsicInfo {
public:
- const char *getName(unsigned IntrID) const;
+ std::string getName(unsigned IntrID, const Type **Tys = 0,
+ unsigned numTys = 0) const;
unsigned lookupName(const char *Name, unsigned Len) const;
+ bool isOverloaded(unsigned IID) const;
+ Function *getDeclaration(Module *M, unsigned ID, const Type **Tys = 0,
+ unsigned numTys = 0) const;
};
}