/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/Target/PowerPC/PPCMachineScheduler.h
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1 | | //===- PPCMachineScheduler.h - Custom PowerPC MI scheduler --*- 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 | | // |
9 | | // Custom PowerPC MI scheduler. |
10 | | // |
11 | | //===----------------------------------------------------------------------===// |
12 | | |
13 | | #ifndef LLVM_LIB_TARGET_POWERPC_POWERPCMACHINESCHEDULER_H |
14 | | #define LLVM_LIB_TARGET_POWERPC_POWERPCMACHINESCHEDULER_H |
15 | | |
16 | | #include "llvm/CodeGen/MachineScheduler.h" |
17 | | |
18 | | namespace llvm { |
19 | | |
20 | | /// A MachineSchedStrategy implementation for PowerPC pre RA scheduling. |
21 | | class PPCPreRASchedStrategy : public GenericScheduler { |
22 | | public: |
23 | | PPCPreRASchedStrategy(const MachineSchedContext *C) : |
24 | 2.46k | GenericScheduler(C) {} |
25 | | protected: |
26 | | void tryCandidate(SchedCandidate &Cand, SchedCandidate &TryCand, |
27 | | SchedBoundary *Zone) const override; |
28 | | private: |
29 | | bool biasAddiLoadCandidate(SchedCandidate &Cand, |
30 | | SchedCandidate &TryCand, |
31 | | SchedBoundary &Zone) const; |
32 | | }; |
33 | | |
34 | | /// A MachineSchedStrategy implementation for PowerPC post RA scheduling. |
35 | | class PPCPostRASchedStrategy : public PostGenericScheduler { |
36 | | public: |
37 | | PPCPostRASchedStrategy(const MachineSchedContext *C) : |
38 | 2.46k | PostGenericScheduler(C) {} |
39 | | |
40 | | protected: |
41 | | void initialize(ScheduleDAGMI *Dag) override; |
42 | | SUnit *pickNode(bool &IsTopNode) override; |
43 | | void enterMBB(MachineBasicBlock *MBB) override; |
44 | | void leaveMBB() override; |
45 | | }; |
46 | | |
47 | | } // end namespace llvm |
48 | | |
49 | | #endif // LLVM_LIB_TARGET_POWERPC_POWERPCMACHINESCHEDULER_H |