Run instruction simplification across each instruction in the function.More...
#include "llvm/Transforms/Scalar/InstSimplifyPass.h"
Public Member Functions | |
| PreservedAnalyses | run (Function &F,FunctionAnalysisManager &AM) |
 Public Member Functions inherited fromllvm::PassInfoMixin< InstSimplifyPass > | |
| void | printPipeline (raw_ostream &OS,function_ref<StringRef(StringRef)> MapClassName2PassName) |
Additional Inherited Members | |
| Static Public Member Functions inherited fromllvm::PassInfoMixin< InstSimplifyPass > | |
| staticStringRef | name () |
| Gets the name of the pass we are mixed into. | |
Detailed Description
Run instruction simplification across each instruction in the function.
Instruction simplification has useful constraints in some contexts:
- It will never introducenew instructions.
- There is no need to iterate to a fixed point.
Many passes use instruction simplification as a library facility, but it may also be useful (in tests and other contexts) to have access to this very restricted transform at a pass granularity. However, for a much more powerful and comprehensive peephole optimization engine, see theinstcombine pass instead.
Definition at line32 of fileInstSimplifyPass.h.
Member Function Documentation
◆ run()
| PreservedAnalyses InstSimplifyPass::run | ( | Function & | F, |
| FunctionAnalysisManager & | AM | ||
| ) |
Definition at line123 of fileInstSimplifyPass.cpp.
Referencesllvm::PreservedAnalyses::all(),DL,F,llvm::AnalysisManager< IRUnitT, ExtraArgTs >::getResult(),llvm::PreservedAnalyses::preserveSet(), andrunImpl().
The documentation for this class was generated from the following files:
- include/llvm/Transforms/Scalar/InstSimplifyPass.h
- lib/Transforms/Scalar/InstSimplifyPass.cpp
