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Big bug fix: killed uses were being inserted instead of erased!

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Also added a set of debug options.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1917 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve
2002-03-19 00:59:08 +00:00
parent b4c5f83eac
commit 06fa17c1c2
2 changed files with 28 additions and 14 deletions
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21
include/llvm/Analysis/LiveVar/FunctionLiveVarInfo.h
View File

@ -61,17 +61,24 @@
#ifndef METH_LIVE_VAR_INFO_H #ifndef METH_LIVE_VAR_INFO_H
#define METH_LIVE_VAR_INFO_H #define METH_LIVE_VAR_INFO_H
// set DEBUG_LV for printing out debug messages
// if DEBUG_LV is 1 normal output messages
// if DEBUG_LV is 2 extensive debug info for each instr
static const int DEBUG_LV = 0;
#include "llvm/Pass.h" #include "llvm/Pass.h"
#include "llvm/Analysis/LiveVar/ValueSet.h" #include "llvm/Analysis/LiveVar/ValueSet.h"
#include "Support/CommandLine.h"
class BBLiveVar; class BBLiveVar;
class MachineInstr; class MachineInstr;
enum LiveVarDebugLevel_t {
LV_DEBUG_None,
LV_DEBUG_Normal,
LV_DEBUG_Instr,
LV_DEBUG_Verbose
};
extern cl::Enum<LiveVarDebugLevel_t> DEBUG_LV;
class MethodLiveVarInfo : public MethodPass { class MethodLiveVarInfo : public MethodPass {
// Machine Instr to LiveVarSet Map for providing LVset BEFORE each inst // Machine Instr to LiveVarSet Map for providing LVset BEFORE each inst
std::map<const MachineInstr *, const ValueSet *> MInst2LVSetBI; std::map<const MachineInstr *, const ValueSet *> MInst2LVSetBI;
@ -88,7 +95,7 @@ class MethodLiveVarInfo : public MethodPass {
void constructBBs(const Method *M); void constructBBs(const Method *M);
// do one backward pass over the CFG // do one backward pass over the CFG
bool doSingleBackwardPass(const Method *M); bool doSingleBackwardPass(const Method *M, unsigned int iter);
// calculates live var sets for instructions in a BB // calculates live var sets for instructions in a BB
void calcLiveVarSetsForBB(const BasicBlock *BB); void calcLiveVarSetsForBB(const BasicBlock *BB);

21
include/llvm/CodeGen/FunctionLiveVarInfo.h
View File

@ -61,17 +61,24 @@
#ifndef METH_LIVE_VAR_INFO_H #ifndef METH_LIVE_VAR_INFO_H
#define METH_LIVE_VAR_INFO_H #define METH_LIVE_VAR_INFO_H
// set DEBUG_LV for printing out debug messages
// if DEBUG_LV is 1 normal output messages
// if DEBUG_LV is 2 extensive debug info for each instr
static const int DEBUG_LV = 0;
#include "llvm/Pass.h" #include "llvm/Pass.h"
#include "llvm/Analysis/LiveVar/ValueSet.h" #include "llvm/Analysis/LiveVar/ValueSet.h"
#include "Support/CommandLine.h"
class BBLiveVar; class BBLiveVar;
class MachineInstr; class MachineInstr;
enum LiveVarDebugLevel_t {
LV_DEBUG_None,
LV_DEBUG_Normal,
LV_DEBUG_Instr,
LV_DEBUG_Verbose
};
extern cl::Enum<LiveVarDebugLevel_t> DEBUG_LV;
class MethodLiveVarInfo : public MethodPass { class MethodLiveVarInfo : public MethodPass {
// Machine Instr to LiveVarSet Map for providing LVset BEFORE each inst // Machine Instr to LiveVarSet Map for providing LVset BEFORE each inst
std::map<const MachineInstr *, const ValueSet *> MInst2LVSetBI; std::map<const MachineInstr *, const ValueSet *> MInst2LVSetBI;
@ -88,7 +95,7 @@ class MethodLiveVarInfo : public MethodPass {
void constructBBs(const Method *M); void constructBBs(const Method *M);
// do one backward pass over the CFG // do one backward pass over the CFG
bool doSingleBackwardPass(const Method *M); bool doSingleBackwardPass(const Method *M, unsigned int iter);
// calculates live var sets for instructions in a BB // calculates live var sets for instructions in a BB
void calcLiveVarSetsForBB(const BasicBlock *BB); void calcLiveVarSetsForBB(const BasicBlock *BB);