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| author | 2019-06-23 22:05:08 +0000 | |
|---|---|---|
| committer | 2019-06-23 22:05:08 +0000 | |
| commit | f27a781c9811da94fe68b2cf34237c2a61b48c96 (patch) | |
| tree | 820064216b8f115ba79122ebd03c5451b59fd690 /gnu/llvm/include/llvm/Transforms | |
| parent | Import LLVM 8.0.0 release including clang, lld and lldb. (diff) | |
| download | wireguard-openbsd-f27a781c9811da94fe68b2cf34237c2a61b48c96.tar.xz wireguard-openbsd-f27a781c9811da94fe68b2cf34237c2a61b48c96.zip | |
Merge LLVM 8.0.0 release.
Prepared with help from jsg@ and mortimer@
Tested on amd64 by bcallah@, krw@, naddy@
Tested on arm64 by patrick@
Tested on macppc by kettenis@
Tested on octeon by visa@
Tested on sparc64 by claudio@
Diffstat (limited to 'gnu/llvm/include/llvm/Transforms')
| -rw-r--r-- | gnu/llvm/include/llvm/Transforms/Utils/OrderedInstructions.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/gnu/llvm/include/llvm/Transforms/Utils/OrderedInstructions.h b/gnu/llvm/include/llvm/Transforms/Utils/OrderedInstructions.h deleted file mode 100644 index 7f57fde638b..00000000000 --- a/gnu/llvm/include/llvm/Transforms/Utils/OrderedInstructions.h +++ /dev/null @@ -1,65 +0,0 @@ -//===- llvm/Transforms/Utils/OrderedInstructions.h -------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines an efficient way to check for dominance relation between 2 -// instructions. -// -// This interface dispatches to appropriate dominance check given 2 -// instructions, i.e. in case the instructions are in the same basic block, -// OrderedBasicBlock (with instruction numbering and caching) are used. -// Otherwise, dominator tree is used. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_TRANSFORMS_UTILS_ORDEREDINSTRUCTIONS_H -#define LLVM_TRANSFORMS_UTILS_ORDEREDINSTRUCTIONS_H - -#include "llvm/ADT/DenseMap.h" -#include "llvm/Analysis/OrderedBasicBlock.h" -#include "llvm/IR/Dominators.h" -#include "llvm/IR/Operator.h" - -namespace llvm { - -class OrderedInstructions { - /// Used to check dominance for instructions in same basic block. - mutable DenseMap<const BasicBlock *, std::unique_ptr<OrderedBasicBlock>> - OBBMap; - - /// The dominator tree of the parent function. - DominatorTree *DT; - - /// Return true if the first instruction comes before the second in the - /// same basic block. It will create an ordered basic block, if it does - /// not yet exist in OBBMap. - bool localDominates(const Instruction *, const Instruction *) const; - -public: - /// Constructor. - OrderedInstructions(DominatorTree *DT) : DT(DT) {} - - /// Return true if first instruction dominates the second. - bool dominates(const Instruction *, const Instruction *) const; - - /// Return true if the first instruction comes before the second in the - /// dominator tree DFS traversal if they are in different basic blocks, - /// or if the first instruction comes before the second in the same basic - /// block. - bool dfsBefore(const Instruction *, const Instruction *) const; - - /// Invalidate the OrderedBasicBlock cache when its basic block changes. - /// i.e. If an instruction is deleted or added to the basic block, the user - /// should call this function to invalidate the OrderedBasicBlock cache for - /// this basic block. - void invalidateBlock(const BasicBlock *BB) { OBBMap.erase(BB); } -}; - -} // end namespace llvm - -#endif // LLVM_TRANSFORMS_UTILS_ORDEREDINSTRUCTIONS_H |
