Collaboration diagram for CFInfo:

Public Types
enum	CFType { If, Loop, ForeachRegular, ForeachActive, ForeachUnique, Switch }
Public Member Functions
bool	IsIf ()
bool	IsLoop ()
bool	IsForeach ()
bool	IsSwitch ()
bool	IsVarying ()
bool	IsUniform ()
Static Public Member Functions
static CFInfo *	GetIf (bool isUniform, llvm::Value *savedMask)
static CFInfo *	GetLoop (bool isUniform, llvm::BasicBlock breakTarget, llvm::BasicBlock continueTarget, llvm::Value savedBreakLanesPtr, llvm::Value savedContinueLanesPtr, llvm::Value savedMask, llvm::Value savedLoopMask)
static CFInfo *	GetForeach (FunctionEmitContext::ForeachType ft, llvm::BasicBlock breakTarget, llvm::BasicBlock continueTarget, llvm::Value savedBreakLanesPtr, llvm::Value savedContinueLanesPtr, llvm::Value savedMask, llvm::Value savedLoopMask)
static CFInfo *	GetSwitch (bool isUniform, llvm::BasicBlock breakTarget, llvm::BasicBlock continueTarget, llvm::Value savedBreakLanesPtr, llvm::Value savedContinueLanesPtr, llvm::Value savedMask, llvm::Value savedLoopMask, llvm::Value switchExpr, llvm::BasicBlock bbDefault, const std::vector< std::pair< int, llvm::BasicBlock * > > bbCases, const std::map< llvm::BasicBlock , llvm::BasicBlock * > *bbNext, bool scUniform)
Public Attributes
CFType	type
bool	isUniform
llvm::BasicBlock *	savedBreakTarget
llvm::BasicBlock *	savedContinueTarget
llvm::Value *	savedBreakLanesPtr
llvm::Value *	savedContinueLanesPtr
llvm::Value *	savedMask
llvm::Value *	savedLoopMask
llvm::Value *	savedSwitchExpr
llvm::BasicBlock *	savedDefaultBlock
const std::vector< std::pair < int, llvm::BasicBlock * > > *	savedCaseBlocks
const std::map < llvm::BasicBlock , llvm::BasicBlock > *	savedNextBlocks
bool	savedSwitchConditionWasUniform
Private Member Functions
	CFInfo (CFType t, bool uniformIf, llvm::Value *sm)
	CFInfo (CFType t, bool iu, llvm::BasicBlock bt, llvm::BasicBlock ct, llvm::Value sb, llvm::Value sc, llvm::Value sm, llvm::Value lm, llvm::Value sse=NULL, llvm::BasicBlock bbd=NULL, const std::vector< std::pair< int, llvm::BasicBlock * > > bbc=NULL, const std::map< llvm::BasicBlock , llvm::BasicBlock * > *bbn=NULL, bool scu=false)
	CFInfo (CFType t, llvm::BasicBlock bt, llvm::BasicBlock ct, llvm::Value sb, llvm::Value sc, llvm::Value sm, llvm::Value lm)

Detailed Description

This is a small utility structure that records information related to one level of nested control flow. It's mostly used in correctly restoring the mask and other state as we exit control flow nesting levels.

Definition at line 58 of file ctx.cpp.

Member Enumeration Documentation

enum CFInfo::CFType

Enumerator:

If
Loop
ForeachRegular
ForeachActive
ForeachUnique
Switch

Definition at line 98 of file ctx.cpp.

Constructor & Destructor Documentation

CFInfo::CFInfo	(	CFType	t,
		bool	uniformIf,
		llvm::Value *	sm
	)		`[inline, private]`

Definition at line 112 of file ctx.cpp.

References Assert, If, NULL, savedBreakTarget, savedCaseBlocks, savedContinueTarget, savedDefaultBlock, savedNextBlocks, savedSwitchExpr, and type.

Referenced by GetForeach(), GetIf(), GetLoop(), and GetSwitch().

CFInfo::CFInfo	(	CFType	t,
		bool	iu,
		llvm::BasicBlock *	bt,
		llvm::BasicBlock *	ct,
		llvm::Value *	sb,
		llvm::Value *	sc,
		llvm::Value *	sm,
		llvm::Value *	lm,
		llvm::Value *	sse = `NULL`,
		llvm::BasicBlock *	bbd = `NULL`,
		const std::vector< std::pair< int, llvm::BasicBlock * > > *	bbc = `NULL`,
		const std::map< llvm::BasicBlock , llvm::BasicBlock > *	bbn = `NULL`,
		bool	scu = `false`
	)		`[inline, private]`

Definition at line 124 of file ctx.cpp.

References Assert, Loop, savedBreakTarget, savedCaseBlocks, savedContinueTarget, savedDefaultBlock, savedNextBlocks, savedSwitchConditionWasUniform, savedSwitchExpr, Switch, and type.

CFInfo::CFInfo	(	CFType	t,
		llvm::BasicBlock *	bt,
		llvm::BasicBlock *	ct,
		llvm::Value *	sb,
		llvm::Value *	sc,
		llvm::Value *	sm,
		llvm::Value *	lm
	)		`[inline, private]`

Definition at line 145 of file ctx.cpp.

References Assert, ForeachActive, ForeachRegular, ForeachUnique, NULL, savedBreakTarget, savedCaseBlocks, savedContinueTarget, savedDefaultBlock, savedNextBlocks, savedSwitchExpr, and type.

Member Function Documentation

CFInfo * CFInfo::GetForeach	(	FunctionEmitContext::ForeachType	ft,
		llvm::BasicBlock *	breakTarget,
		llvm::BasicBlock *	continueTarget,
		llvm::Value *	savedBreakLanesPtr,
		llvm::Value *	savedContinueLanesPtr,
		llvm::Value *	savedMask,
		llvm::Value *	savedLoopMask
	)		`[static]`

Definition at line 184 of file ctx.cpp.

References CFInfo(), FATAL, FunctionEmitContext::FOREACH_ACTIVE, FunctionEmitContext::FOREACH_REGULAR, FunctionEmitContext::FOREACH_UNIQUE, ForeachActive, ForeachRegular, ForeachUnique, and NULL.

Referenced by FunctionEmitContext::StartForeach().

CFInfo * CFInfo::GetIf	(	bool	isUniform,
		llvm::Value *	savedMask
	)		`[static]`

Returns a new instance of the structure that represents entering an 'if' statement

Definition at line 166 of file ctx.cpp.

References CFInfo(), and If.

Referenced by FunctionEmitContext::StartUniformIf(), and FunctionEmitContext::StartVaryingIf().

CFInfo * CFInfo::GetLoop	(	bool	isUniform,
		llvm::BasicBlock *	breakTarget,
		llvm::BasicBlock *	continueTarget,
		llvm::Value *	savedBreakLanesPtr,
		llvm::Value *	savedContinueLanesPtr,
		llvm::Value *	savedMask,
		llvm::Value *	savedLoopMask
	)		`[static]`

Returns a new instance of the structure that represents entering a loop.

Definition at line 172 of file ctx.cpp.

References CFInfo(), and Loop.

Referenced by FunctionEmitContext::StartLoop().

CFInfo * CFInfo::GetSwitch	(	bool	isUniform,
		llvm::BasicBlock *	breakTarget,
		llvm::BasicBlock *	continueTarget,
		llvm::Value *	savedBreakLanesPtr,
		llvm::Value *	savedContinueLanesPtr,
		llvm::Value *	savedMask,
		llvm::Value *	savedLoopMask,
		llvm::Value *	switchExpr,
		llvm::BasicBlock *	bbDefault,
		const std::vector< std::pair< int, llvm::BasicBlock * > > *	bbCases,
		const std::map< llvm::BasicBlock , llvm::BasicBlock > *	bbNext,
		bool	scUniform
	)		`[static]`