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Added function interfaces for generating prolog and epilog code.
The functions must be implemented by the target-specific code generator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@951 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -37,6 +37,14 @@ extern unsigned GetInstructionsByRule (InstructionNode* subtreeRoot,
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TargetMachine &Target,
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MachineInstr** minstrVec);
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extern unsigned GetInstructionsForProlog(BasicBlock* entryBB,
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TargetMachine &Target,
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MachineInstr** minstrVec);
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extern unsigned GetInstructionsForEpilog(BasicBlock* anExitBB,
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TargetMachine &Target,
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MachineInstr** minstrVec);
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extern bool ThisIsAChainRule (int eruleno);
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