blob: 3b365c56a5c01be4b9a6f64ed46a0a9d218950b5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
//===-- GuardUtils.h - Utils for work with guards ---------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Utils that are used to perform transformations related to guards and their
// conditions.
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_UTILS_GUARDUTILS_H
#define LLVM_TRANSFORMS_UTILS_GUARDUTILS_H
namespace llvm {
class CallInst;
class Function;
/// Splits control flow at point of \p Guard, replacing it with explicit branch
/// by the condition of guard's first argument. The taken branch then goes to
/// the block that contains \p Guard's successors, and the non-taken branch
/// goes to a newly-created deopt block that contains a sole call of the
/// deoptimize function \p DeoptIntrinsic.
void makeGuardControlFlowExplicit(Function *DeoptIntrinsic, CallInst *Guard);
} // llvm
#endif // LLVM_TRANSFORMS_UTILS_GUARDUTILS_H
|
