LLVM  9.0.0svn
GuardUtils.h
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1 //===-- GuardUtils.h - Utils for work with guards ---------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 // Utils that are used to perform transformations related to guards and their
9 // conditions.
10 //===----------------------------------------------------------------------===//
11 
12 #ifndef LLVM_TRANSFORMS_UTILS_GUARDUTILS_H
13 #define LLVM_TRANSFORMS_UTILS_GUARDUTILS_H
14 
15 namespace llvm {
16 
17 class CallInst;
18 class Function;
19 
20 /// Splits control flow at point of \p Guard, replacing it with explicit branch
21 /// by the condition of guard's first argument. The taken branch then goes to
22 /// the block that contains \p Guard's successors, and the non-taken branch
23 /// goes to a newly-created deopt block that contains a sole call of the
24 /// deoptimize function \p DeoptIntrinsic.
25 void makeGuardControlFlowExplicit(Function *DeoptIntrinsic, CallInst *Guard);
26 
27 } // llvm
28 
29 #endif // LLVM_TRANSFORMS_UTILS_GUARDUTILS_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23
void makeGuardControlFlowExplicit(Function *DeoptIntrinsic, CallInst *Guard)
Splits control flow at point of Guard, replacing it with explicit branch by the condition of guard's ...
Definition: GuardUtils.cpp:26