1 files changed, 44 insertions, 0 deletions
diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetTransformInfo.h b/llvm/lib/Target/SPIRV/SPIRVTargetTransformInfo.h
new file mode 100644
index 000000000000..ac351cf42f5c
--- /dev/null
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetTransformInfo.h
@@ -0,0 +1,44 @@
+//===- SPIRVTargetTransformInfo.h - SPIR-V specific TTI ---------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+// \file
+// This file contains a TargetTransformInfo::Concept conforming object specific
+// to the SPIRV target machine. It uses the target's detailed information to
+// provide more precise answers to certain TTI queries, while letting the
+// target independent and default TTI implementations handle the rest.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_SPIRV_SPIRVTARGETTRANSFORMINFO_H
+#define LLVM_LIB_TARGET_SPIRV_SPIRVTARGETTRANSFORMINFO_H
+
+#include "SPIRV.h"
+#include "SPIRVTargetMachine.h"
+#include "llvm/Analysis/TargetTransformInfo.h"
+#include "llvm/CodeGen/BasicTTIImpl.h"
+
+namespace llvm {
+class SPIRVTTIImpl : public BasicTTIImplBase<SPIRVTTIImpl> {
+  using BaseT = BasicTTIImplBase<SPIRVTTIImpl>;
+
+  friend BaseT;
+
+  const SPIRVSubtarget *ST;
+  const SPIRVTargetLowering *TLI;
+
+  const TargetSubtargetInfo *getST() const { return ST; }
+  const SPIRVTargetLowering *getTLI() const { return TLI; }
+
+public:
+  explicit SPIRVTTIImpl(const SPIRVTargetMachine *TM, const Function &F)
+      : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
+        TLI(ST->getTargetLowering()) {}
+};
+
+} // namespace llvm
+
+#endif // LLVM_LIB_TARGET_SPIRV_SPIRVTARGETTRANSFORMINFO_H