blob: e9cf9601108aa325e209f7d54367e080911fab56 (
plain) (
blame)
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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===-- UnifyFunctionExitNodes.h - Ensure fn's have one return --*- 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
//
//===----------------------------------------------------------------------===//
//
// This pass is used to ensure that functions have at most one return and one
// unreachable instruction in them.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_UTILS_UNIFYFUNCTIONEXITNODES_H
#define LLVM_TRANSFORMS_UTILS_UNIFYFUNCTIONEXITNODES_H
#include "llvm/IR/PassManager.h"
#include "llvm/Pass.h"
namespace llvm {
class UnifyFunctionExitNodesLegacyPass : public FunctionPass {
public:
static char ID; // Pass identification, replacement for typeid
UnifyFunctionExitNodesLegacyPass();
// We can preserve non-critical-edgeness when we unify function exit nodes
void getAnalysisUsage(AnalysisUsage &AU) const override;
bool runOnFunction(Function &F) override;
};
Pass *createUnifyFunctionExitNodesPass();
class UnifyFunctionExitNodesPass
: public PassInfoMixin<UnifyFunctionExitNodesPass> {
public:
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
};
} // end namespace llvm
#endif // LLVM_TRANSFORMS_UTILS_UNIFYFUNCTIONEXITNODES_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
|
