PPCBranchCoalescing.cpp File Reference

Coalesce basic blocks guarded by the same branch condition into a single basic block. More...

#include "PPC.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachinePostDominators.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/Debug.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "ppc-branch-coalescing"

Functions
	STATISTIC (NumBlocksCoalesced, "Number of blocks coalesced")
	STATISTIC (NumPHINotMoved, "Number of PHI Nodes that cannot be merged")
	STATISTIC (NumBlocksNotCoalesced, "Number of blocks not coalesced")
	INITIALIZE_PASS_BEGIN (PPCBranchCoalescing, DEBUG_TYPE, "Branch Coalescing", false, false) INITIALIZE_PASS_END(PPCBranchCoalescing

Variables
	DEBUG_TYPE
Branch	Coalescing
Branch	false

Detailed Description

Coalesce basic blocks guarded by the same branch condition into a single basic block.

Definition in file PPCBranchCoalescing.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "ppc-branch-coalescing"

Definition at line 30 of file PPCBranchCoalescing.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	PPCBranchCoalescing	,
		DEBUG_TYPE	,
		"Branch Coalescing"	,
		false	,
		false	)

References DEBUG_TYPE, and INITIALIZE_PASS_DEPENDENCY.

STATISTIC() [1/3]

STATISTIC	(	NumBlocksCoalesced	,
		"Number of blocks coalesced"	)

STATISTIC() [2/3]

STATISTIC	(	NumBlocksNotCoalesced	,
		"Number of blocks not coalesced"	)

References Cond.

STATISTIC() [3/3]

STATISTIC	(	NumPHINotMoved	,
		"Number of PHI Nodes that cannot be merged"	)

Variable Documentation

Coalescing

Branch Coalescing

Definition at line 198 of file PPCBranchCoalescing.cpp.

DEBUG_TYPE

DEBUG_TYPE

Definition at line 198 of file PPCBranchCoalescing.cpp.

false

Branch false

Definition at line 199 of file PPCBranchCoalescing.cpp.