New feature: add support for target intrinsics being defined in the

target directories themselves.  This also means that VMCore no longer
needs to know about every target's list of intrinsics.  Future work
will include converting the PowerPC target to this interface as an
example implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63765 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 48 insertions, 0 deletions

diff --git a/include/llvm/Target/TargetIntrinsicInfo.h b/include/llvm/Target/TargetIntrinsicInfo.h
new file mode 100644
index 0000000000..323e29afee
--- /dev/null
+++ b/include/llvm/Target/TargetIntrinsicInfo.h
@@ -0,0 +1,48 @@
+//===-- llvm/Target/TargetIntrinsicInfo.h - Instruction Info ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file describes the target intrinsic instructions to the code generator.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_TARGETINTRINSICINFO_H
+#define LLVM_TARGET_TARGETINTRINSICINFO_H
+
+namespace llvm {
+
+class Function;
+class Module;
+
+//---------------------------------------------------------------------------
+///
+/// TargetIntrinsicInfo - Interface to description of machine instruction set
+///
+class TargetIntrinsicInfo {
+  
+  const char **Intrinsics;               // Raw array to allow static init'n
+  unsigned NumIntrinsics;                // Number of entries in the desc array
+
+  TargetIntrinsicInfo(const TargetIntrinsicInfo &);  // DO NOT IMPLEMENT
+  void operator=(const TargetIntrinsicInfo &);   // DO NOT IMPLEMENT
+public:
+  TargetIntrinsicInfo(const char **desc, unsigned num);
+  virtual ~TargetIntrinsicInfo();
+
+  unsigned getNumIntrinsics() const { return NumIntrinsics; }
+
+  virtual Function *getDeclaration(Module *M, const char *BuiltinName) const {
+    return 0;
+  }
+  
+  virtual unsigned getIntrinsicID(Function *F) const { return 0; }
+};
+
+} // End llvm namespace
+
+#endif