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681cf74ab5
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49 91177308-0d34-0410-b5e6-96231b3b80d8
106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
//===-- llvm/AllOpts.h - Header file to get all opt passes -------*- C++ -*--=//
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//
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// This file #include's all of the small optimization header files.
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//
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// Note that all optimizations return true if they modified the program, false
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// if not.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_OPT_ALLOPTS_H
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#define LLVM_OPT_ALLOPTS_H
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#include "llvm/Module.h"
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#include "llvm/BasicBlock.h"
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#include "llvm/Tools/STLExtras.h"
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class Method;
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class CallInst;
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//===----------------------------------------------------------------------===//
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// Helper functions
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//
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static inline bool ApplyOptToAllMethods(Module *C, bool (*Opt)(Method*)) {
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return reduce_apply(C->getMethodList().begin(), C->getMethodList().end(),
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bitwise_or<bool>(), false, ptr_fun(Opt));
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}
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//===----------------------------------------------------------------------===//
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// Dead Code Elimination Pass
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//
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bool DoDeadCodeElimination(Method *M); // DCE a method
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bool DoRemoveUnusedConstants(SymTabValue *S); // RUC a method or module
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bool DoDeadCodeElimination(Module *C); // DCE & RUC a whole module
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//===----------------------------------------------------------------------===//
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// Constant Propogation Pass
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//
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bool DoConstantPropogation(Method *M);
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static inline bool DoConstantPropogation(Module *C) {
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return ApplyOptToAllMethods(C, DoConstantPropogation);
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}
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//===----------------------------------------------------------------------===//
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// Method Inlining Pass
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//
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// DoMethodInlining - Use a heuristic based approach to inline methods that seem
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// to look good.
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//
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bool DoMethodInlining(Method *M);
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static inline bool DoMethodInlining(Module *C) {
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return ApplyOptToAllMethods(C, DoMethodInlining);
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}
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// InlineMethod - This function forcibly inlines the called method into the
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// basic block of the caller. This returns true if it is not possible to inline
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// this call. The program is still in a well defined state if this occurs
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// though.
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//
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// Note that this only does one level of inlining. For example, if the
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// instruction 'call B' is inlined, and 'B' calls 'C', then the call to 'C' now
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// exists in the instruction stream. Similiarly this will inline a recursive
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// method by one level.
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//
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bool InlineMethod(CallInst *C);
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bool InlineMethod(BasicBlock::InstListType::iterator CI);// *CI must be CallInst
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//===----------------------------------------------------------------------===//
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// Symbol Stripping Pass
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//
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// DoSymbolStripping - Remove all symbolic information from a method
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//
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bool DoSymbolStripping(Method *M);
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// DoSymbolStripping - Remove all symbolic information from all methods in a
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// module
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//
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static inline bool DoSymbolStripping(Module *M) {
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return ApplyOptToAllMethods(M, DoSymbolStripping);
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}
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// DoFullSymbolStripping - Remove all symbolic information from all methods
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// in a module, and all module level symbols. (method names, etc...)
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//
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bool DoFullSymbolStripping(Module *M);
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//===----------------------------------------------------------------------===//
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// Induction Variable Cannonicalization
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//
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// DoInductionVariableCannonicalize - Simplify induction variables in loops
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//
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bool DoInductionVariableCannonicalize(Method *M);
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static inline bool DoInductionVariableCannonicalize(Module *M) {
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return ApplyOptToAllMethods(M, DoInductionVariableCannonicalize);
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}
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#endif
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