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ec3b0fef11
a) Move the replacement level decision to the target machine. b) Create additional subtargets at the TargetMachine level to cache and make replacement easy. c) Make the mips16 features obvious. d) Remove the override logic as it no longer does anything. e) Have MipsModuleDAGToDAGISel take only the target machine. f) Have the constant islands pass grab the current subtarget from the MachineFunction (via the TargetMachine) instead of caching it. g) Unconditionally initialize TLOF. h) Remove the old complicated subtarget based resetting and replace it with simple conditionals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213430 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
//===----------------------------------------------------------------------===//
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// Instruction Selector Subtarget Control
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// This file defines a pass used to change the subtarget for the
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// Mips Instruction selector.
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//
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//===----------------------------------------------------------------------===//
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#include "MipsISelDAGToDAG.h"
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#include "MipsModuleISelDAGToDAG.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/raw_ostream.h"
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#define DEBUG_TYPE "mips-isel"
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namespace llvm {
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bool MipsModuleDAGToDAGISel::runOnMachineFunction(MachineFunction &MF) {
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DEBUG(errs() << "In MipsModuleDAGToDAGISel::runMachineFunction\n");
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TM.resetSubtarget(&MF);
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return false;
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}
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char MipsModuleDAGToDAGISel::ID = 0;
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}
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llvm::FunctionPass *llvm::createMipsModuleISelDag(MipsTargetMachine &TM) {
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return new MipsModuleDAGToDAGISel(TM);
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}
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