diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2016-07-23 20:41:05 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2016-07-23 20:41:05 +0000 |
commit | 01095a5d43bbfde13731688ddcf6048ebb8b7721 (patch) | |
tree | 4def12e759965de927d963ac65840d663ef9d1ea /include/llvm/CodeGen/MachineFunctionPass.h | |
parent | f0f4822ed4b66e3579e92a89f368f8fb860e218e (diff) |
Diffstat (limited to 'include/llvm/CodeGen/MachineFunctionPass.h')
-rw-r--r-- | include/llvm/CodeGen/MachineFunctionPass.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/MachineFunctionPass.h b/include/llvm/CodeGen/MachineFunctionPass.h index 50a1f6e96217d..653d1175d04b4 100644 --- a/include/llvm/CodeGen/MachineFunctionPass.h +++ b/include/llvm/CodeGen/MachineFunctionPass.h @@ -20,16 +20,24 @@ #define LLVM_CODEGEN_MACHINEFUNCTIONPASS_H #include "llvm/Pass.h" +#include "llvm/CodeGen/MachineFunction.h" namespace llvm { -class MachineFunction; - /// MachineFunctionPass - This class adapts the FunctionPass interface to /// allow convenient creation of passes that operate on the MachineFunction /// representation. Instead of overriding runOnFunction, subclasses /// override runOnMachineFunction. class MachineFunctionPass : public FunctionPass { +public: + bool doInitialization(Module&) override { + // Cache the properties info at module-init time so we don't have to + // construct them for every function. + RequiredProperties = getRequiredProperties(); + SetProperties = getSetProperties(); + ClearedProperties = getClearedProperties(); + return false; + } protected: explicit MachineFunctionPass(char &ID) : FunctionPass(ID) {} @@ -46,7 +54,21 @@ protected: /// void getAnalysisUsage(AnalysisUsage &AU) const override; + virtual MachineFunctionProperties getRequiredProperties() const { + return MachineFunctionProperties(); + } + virtual MachineFunctionProperties getSetProperties() const { + return MachineFunctionProperties(); + } + virtual MachineFunctionProperties getClearedProperties() const { + return MachineFunctionProperties(); + } + private: + MachineFunctionProperties RequiredProperties; + MachineFunctionProperties SetProperties; + MachineFunctionProperties ClearedProperties; + /// createPrinterPass - Get a machine function printer pass. Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const override; |