LLVM 22.0.0git
llvm::X86FixupBWInstsPass Class Reference

Return a Machine IR pass that selectively replaces certain byte and word instructions by equivalent 32 bit instructions, in order to eliminate partial register usage, false dependences on the upper portions of registers, and to save code size. More...

#include "Target/X86/X86.h"

Inheritance diagram for llvm::X86FixupBWInstsPass:
[legend]

Public Member Functions

PreservedAnalyses run (MachineFunction &MF, MachineFunctionAnalysisManager &MFAM)
Public Member Functions inherited from llvm::PassInfoMixin< X86FixupBWInstsPass >
void printPipeline (raw_ostream &OS, function_ref< StringRef(StringRef)> MapClassName2PassName)

Additional Inherited Members

Static Public Member Functions inherited from llvm::PassInfoMixin< X86FixupBWInstsPass >
static StringRef name ()
 Gets the name of the pass we are mixed into.

Detailed Description

Return a Machine IR pass that selectively replaces certain byte and word instructions by equivalent 32 bit instructions, in order to eliminate partial register usage, false dependences on the upper portions of registers, and to save code size.

Definition at line 213 of file X86.h.

Member Function Documentation

◆ run()


The documentation for this class was generated from the following files: