GUID calculation takes linkage into account, which may change especially through and after thinlto. By pre-computing and assigning as metadata, this mechanism is resilient to such changes (as well as name changes e.g. suffix ".llvm." additions).

Definition at line 200 of file CtxProfAnalysis.h.

Constructor & Destructor Documentation

◆ AssignGUIDPass()

llvm::AssignGUIDPass::AssignGUIDPass ( )

explicitdefault

References LLVM_ABI, and MAM.

Member Function Documentation

◆ getGUID()

GlobalValue::GUID AssignGUIDPass::getGUID ( const Function & F )

static

Definition at line 438 of file CtxProfAnalysis.cpp.

References assert(), llvm::cast(), F, GUIDMetadataName, and llvm::GlobalValue::isExternalLinkage().

Referenced by llvm::InlineFunction(), llvm::promoteCallWithIfThenElse(), llvm::CtxProfAnalysis::run(), llvm::JumpTableToSwitchPass::run(), and llvm::PGOCtxProfFlatteningPass::run().

◆ run()

PreservedAnalyses AssignGUIDPass::run ( Module & M,

ModuleAnalysisManager & MAM )

Assign a GUID if one is not already assign, as a function metadata named GUIDMetadataName.

Definition at line 423 of file CtxProfAnalysis.cpp.

References F, llvm::MDNode::get(), GUIDMetadataName, MAM, and llvm::PreservedAnalyses::none().

Member Data Documentation

◆ GUIDMetadataName

const char * llvm::AssignGUIDPass::GUIDMetadataName = "guid"

static

Definition at line 207 of file CtxProfAnalysis.h.

Referenced by getGUID(), run(), and llvm::JumpTableToSwitchPass::run().

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

include/llvm/Analysis/CtxProfAnalysis.h
lib/Analysis/CtxProfAnalysis.cpp

Generated on for LLVM by doxygen 1.14.0