290e5722e8
Use same MSSA clobbering checks as in the AMDGPUAnnotateUniformValues. Kernel argument promotion needs exactly the same information so factor out utility function isClobberedInFunction. Differential Revision: https://reviews.llvm.org/D119480
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
//===- AMDGPUMemoryUtils.h - Memory related helper functions -*- C++ -*----===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUMEMORYUTILS_H
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#define LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUMEMORYUTILS_H
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namespace llvm {
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class AAResults;
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class LoadInst;
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class MemoryDef;
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class MemorySSA;
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class Value;
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namespace AMDGPU {
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/// Given a \p Def clobbering a load from \p Ptr accroding to the MSSA check
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/// if this is actually a memory update or an artifical clobber to facilitate
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/// ordering constraints.
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bool isReallyAClobber(const Value *Ptr, MemoryDef *Def, AAResults *AA);
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/// Check is a \p Load is clobbered in its function.
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bool isClobberedInFunction(const LoadInst *Load, MemorySSA *MSSA,
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AAResults *AA);
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} // end namespace AMDGPU
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUMEMORYUTILS_H
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