llvm::X86InsertVZeroUpperPass Class Reference

This pass inserts AVX vzeroupper instructions before each call to avoid transition penalty between functions encoded with AVX and SSE. More...

#include "Target/X86/X86.h"

Inheritance diagram for llvm::X86InsertVZeroUpperPass:

Public Member Functions
PreservedAnalyses	run (MachineFunction &MF, MachineFunctionAnalysisManager &MFAM)
Public Member Functions inherited from llvm::PassInfoMixin< X86InsertVZeroUpperPass >
void	printPipeline (raw_ostream &OS, function_ref< StringRef(StringRef)> MapClassName2PassName)

Additional Inherited Members
Static Public Member Functions inherited from llvm::PassInfoMixin< X86InsertVZeroUpperPass >
static StringRef	name ()
	Gets the name of the pass we are mixed into.

Detailed Description

This pass inserts AVX vzeroupper instructions before each call to avoid transition penalty between functions encoded with AVX and SSE.

Definition at line 72 of file X86.h.

Member Function Documentation

run()

PreservedAnalyses X86InsertVZeroUpperPass::run	(	MachineFunction &	MF,
		MachineFunctionAnalysisManager &	MFAM )

Definition at line 361 of file X86InsertVZeroUpper.cpp.

References llvm::PreservedAnalyses::all(), llvm::getMachineFunctionPassPreservedAnalyses(), insertVZeroUpper(), and llvm::PreservedAnalyses::preserveSet().

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

• lib/Target/X86/X86.h
• lib/Target/X86/X86InsertVZeroUpper.cpp