clang  3.9.0
Public Member Functions | List of all members
clang::CodeGen::LoopInfoStack Class Reference

A stack of loop information corresponding to loop nesting levels. More...

#include <CGLoopInfo.h>

Public Member Functions

 LoopInfoStack ()
 
void push (llvm::BasicBlock *Header, llvm::DebugLoc Location=llvm::DebugLoc())
 Begin a new structured loop. More...
 
void push (llvm::BasicBlock *Header, clang::ASTContext &Ctx, llvm::ArrayRef< const Attr * > Attrs, llvm::DebugLoc Location=llvm::DebugLoc())
 Begin a new structured loop. More...
 
void pop ()
 End the current loop. More...
 
llvm::MDNode * getCurLoopID () const
 Return the top loop id metadata. More...
 
bool getCurLoopParallel () const
 Return true if the top loop is parallel. More...
 
void InsertHelper (llvm::Instruction *I) const
 Function called by the CodeGenFunction when an instruction is created. More...
 
void setParallel (bool Enable=true)
 Set the next pushed loop as parallel. More...
 
void setVectorizeEnable (bool Enable=true)
 Set the next pushed loop 'vectorize.enable'. More...
 
void setDistributeState (bool Enable=true)
 Set the next pushed loop as a distribution candidate. More...
 
void setUnrollState (const LoopAttributes::LVEnableState &State)
 Set the next pushed loop unroll state. More...
 
void setVectorizeWidth (unsigned W)
 Set the vectorize width for the next loop pushed. More...
 
void setInterleaveCount (unsigned C)
 Set the interleave count for the next loop pushed. More...
 
void setUnrollCount (unsigned C)
 Set the unroll count for the next loop pushed. More...
 

Detailed Description

A stack of loop information corresponding to loop nesting levels.

This stack can be used to prepare attributes which are applied when a loop is emitted.

Definition at line 94 of file CGLoopInfo.h.

Constructor & Destructor Documentation

clang::CodeGen::LoopInfoStack::LoopInfoStack ( )
inline

Definition at line 99 of file CGLoopInfo.h.

Member Function Documentation

llvm::MDNode* clang::CodeGen::LoopInfoStack::getCurLoopID ( ) const
inline

Return the top loop id metadata.

Definition at line 116 of file CGLoopInfo.h.

References clang::CodeGen::LoopInfo::getLoopID().

bool clang::CodeGen::LoopInfoStack::getCurLoopParallel ( ) const
inline

Return true if the top loop is parallel.

Definition at line 119 of file CGLoopInfo.h.

References clang::CodeGen::LoopInfo::getAttributes(), and clang::CodeGen::LoopAttributes::IsParallel.

void LoopInfoStack::InsertHelper ( llvm::Instruction *  I) const
void LoopInfoStack::pop ( )
void clang::CodeGen::LoopInfoStack::push ( llvm::BasicBlock *  Header,
llvm::DebugLoc  Location = llvm::DebugLoc() 
)
void clang::CodeGen::LoopInfoStack::push ( llvm::BasicBlock *  Header,
clang::ASTContext Ctx,
llvm::ArrayRef< const Attr * >  Attrs,
llvm::DebugLoc  Location = llvm::DebugLoc() 
)

Begin a new structured loop.

Stage attributes from the Attrs list. The staged attributes are applied to the loop and then cleared.

void clang::CodeGen::LoopInfoStack::setDistributeState ( bool  Enable = true)
inline

Set the next pushed loop as a distribution candidate.

Definition at line 137 of file CGLoopInfo.h.

References clang::CodeGen::LoopAttributes::Disable, clang::CodeGen::LoopAttributes::DistributeEnable, and clang::CodeGen::LoopAttributes::Enable.

void clang::CodeGen::LoopInfoStack::setInterleaveCount ( unsigned  C)
inline

Set the interleave count for the next loop pushed.

Definition at line 151 of file CGLoopInfo.h.

References clang::CodeGen::LoopAttributes::InterleaveCount.

void clang::CodeGen::LoopInfoStack::setParallel ( bool  Enable = true)
inline

Set the next pushed loop as parallel.

Definition at line 128 of file CGLoopInfo.h.

References clang::CodeGen::LoopAttributes::IsParallel.

Referenced by emitSimdlenSafelenClause().

void clang::CodeGen::LoopInfoStack::setUnrollCount ( unsigned  C)
inline

Set the unroll count for the next loop pushed.

Definition at line 154 of file CGLoopInfo.h.

References clang::CodeGen::LoopAttributes::UnrollCount.

void clang::CodeGen::LoopInfoStack::setUnrollState ( const LoopAttributes::LVEnableState State)
inline

Set the next pushed loop unroll state.

Definition at line 143 of file CGLoopInfo.h.

References State, and clang::CodeGen::LoopAttributes::UnrollEnable.

void clang::CodeGen::LoopInfoStack::setVectorizeEnable ( bool  Enable = true)
inline

Set the next pushed loop 'vectorize.enable'.

Definition at line 131 of file CGLoopInfo.h.

References clang::CodeGen::LoopAttributes::Disable, clang::CodeGen::LoopAttributes::Enable, and clang::CodeGen::LoopAttributes::VectorizeEnable.

void clang::CodeGen::LoopInfoStack::setVectorizeWidth ( unsigned  W)
inline

Set the vectorize width for the next loop pushed.

Definition at line 148 of file CGLoopInfo.h.

References clang::CodeGen::LoopAttributes::VectorizeWidth.

Referenced by emitSimdlenSafelenClause().


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