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beb273cb73
Besides a general consistently benefit, the extra layer of indirection allows the mechanical part of https://reviews.llvm.org/D23256 that requires touching every transformation and analysis to be factored out cleanly. Thanks to David for the suggestion. llvm-svn: 278078
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
//===- SCCP.h - Sparse Conditional Constant Propagation ---------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This pass implements interprocedural sparse conditional constant
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// propagation and merging.
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//
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// Specifically, this:
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// * Assumes values are constant unless proven otherwise
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// * Assumes BasicBlocks are dead unless proven otherwise
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// * Proves values to be constant, and replaces them with constants
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// * Proves conditional branches to be unconditional
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_IPO_SCCP_H
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#define LLVM_TRANSFORMS_IPO_SCCP_H
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#include "llvm/IR/Module.h"
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#include "llvm/IR/PassManager.h"
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namespace llvm {
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/// Pass to perform interprocedural constant propagation.
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class IPSCCPPass : public PassInfoMixin<IPSCCPPass> {
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public:
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PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
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};
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}
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#endif // LLVM_TRANSFORMS_IPO_SCCP_H
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