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author | Nadav Rotem <nrotem@apple.com> | 2012-10-10 22:04:55 +0000 |
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committer | Nadav Rotem <nrotem@apple.com> | 2012-10-10 22:04:55 +0000 |
commit | e3d0e86919730784faaddcb5d9b0257c39b0804b (patch) | |
tree | 8cf4557c9fc5e5995d10657912b0c7c426e85ed2 /include/llvm/Target | |
parent | 3a55b64e5e9d9586ece5918648b298c11b378d85 (diff) | |
download | llvm-e3d0e86919730784faaddcb5d9b0257c39b0804b.tar.gz llvm-e3d0e86919730784faaddcb5d9b0257c39b0804b.tar.bz2 llvm-e3d0e86919730784faaddcb5d9b0257c39b0804b.tar.xz |
Add a new interface to allow IR-level passes to access codegen-specific information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165665 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Target')
-rw-r--r-- | include/llvm/Target/TargetMachine.h | 6 | ||||
-rw-r--r-- | include/llvm/Target/TargetTransformImpl.h | 54 |
2 files changed, 60 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h index 988916f9d9..18e589e2bc 100644 --- a/include/llvm/Target/TargetMachine.h +++ b/include/llvm/Target/TargetMachine.h @@ -17,6 +17,8 @@ #include "llvm/Pass.h" #include "llvm/Support/CodeGen.h" #include "llvm/Target/TargetOptions.h" +#include "llvm/TargetTransformInfo.h" +#include "llvm/Target/TargetTransformImpl.h" #include "llvm/ADT/StringRef.h" #include <cassert> #include <string> @@ -107,6 +109,10 @@ public: virtual const TargetLowering *getTargetLowering() const { return 0; } virtual const TargetSelectionDAGInfo *getSelectionDAGInfo() const{ return 0; } virtual const DataLayout *getDataLayout() const { return 0; } + virtual const ScalarTargetTransformInfo* + getScalarTargetTransformInfo() const { return 0; } + virtual const VectorTargetTransformInfo* + getVectorTargetTransformInfo() const { return 0; } /// getMCAsmInfo - Return target specific asm information. /// diff --git a/include/llvm/Target/TargetTransformImpl.h b/include/llvm/Target/TargetTransformImpl.h new file mode 100644 index 0000000000..e240cdf64a --- /dev/null +++ b/include/llvm/Target/TargetTransformImpl.h @@ -0,0 +1,54 @@ +//=- llvm/Target/TargetTransformImpl.h - Target Loop Trans 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 contains the target-specific implementations of the +// TargetTransform interfaces. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_TARGET_TARGET_TRANSFORMATION_IMPL_H +#define LLVM_TARGET_TARGET_TRANSFORMATION_IMPL_H + +#include "llvm/TargetTransformInfo.h" + +namespace llvm { + +class TargetLowering; + +/// ScalarTargetTransformInfo - This is a default implementation for the +/// ScalarTargetTransformInfo interface. Different targets can implement +/// this interface differently. +class ScalarTargetTransformImpl : public ScalarTargetTransformInfo { +private: + const TargetLowering *TLI; + +public: + /// Ctor + explicit ScalarTargetTransformImpl(const TargetLowering *TL): TLI(TL) {} + + virtual bool isLegalAddImmediate(int64_t imm) const; + + virtual bool isLegalICmpImmediate(int64_t imm) const; + + virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty) const; + + virtual bool isTruncateFree(Type *Ty1, Type *Ty2) const; + + virtual bool isTypeLegal(Type *Ty) const; + + virtual unsigned getJumpBufAlignment() const; + + virtual unsigned getJumpBufSize() const; +}; + +class VectorTargetTransformImpl : public VectorTargetTransformInfo { }; + +} // end llvm namespace + +#endif |