From: Vikram S. Adve <vadve@cs.uiuc.edu>
Date: Tue, 19 Mar 2002 00:59:08 +0000 (+0000)
Subject: Big bug fix: killed uses were being inserted instead of erased!
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=06fa17c1c232d748e310ff987e41a5318635d9dd;p=oota-llvm.git

Big bug fix: killed uses were being inserted instead of erased!
Also added a set of debug options.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1917 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Analysis/LiveVar/FunctionLiveVarInfo.h b/include/llvm/Analysis/LiveVar/FunctionLiveVarInfo.h
index 41e7b1d5cf6..87853345724 100644
--- a/include/llvm/Analysis/LiveVar/FunctionLiveVarInfo.h
+++ b/include/llvm/Analysis/LiveVar/FunctionLiveVarInfo.h
@@ -61,17 +61,24 @@
 #ifndef 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/Analysis/LiveVar/ValueSet.h"
+#include "Support/CommandLine.h"
+
 class BBLiveVar;
 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 {
   // Machine Instr to LiveVarSet Map for providing LVset BEFORE each inst
   std::map<const MachineInstr *, const ValueSet *> MInst2LVSetBI; 
@@ -88,7 +95,7 @@ class MethodLiveVarInfo : public MethodPass {
   void constructBBs(const Method *M);      
     
   // 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
   void calcLiveVarSetsForBB(const BasicBlock *BB);
diff --git a/include/llvm/CodeGen/FunctionLiveVarInfo.h b/include/llvm/CodeGen/FunctionLiveVarInfo.h
index 41e7b1d5cf6..87853345724 100644
--- a/include/llvm/CodeGen/FunctionLiveVarInfo.h
+++ b/include/llvm/CodeGen/FunctionLiveVarInfo.h
@@ -61,17 +61,24 @@
 #ifndef 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/Analysis/LiveVar/ValueSet.h"
+#include "Support/CommandLine.h"
+
 class BBLiveVar;
 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 {
   // Machine Instr to LiveVarSet Map for providing LVset BEFORE each inst
   std::map<const MachineInstr *, const ValueSet *> MInst2LVSetBI; 
@@ -88,7 +95,7 @@ class MethodLiveVarInfo : public MethodPass {
   void constructBBs(const Method *M);      
     
   // 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
   void calcLiveVarSetsForBB(const BasicBlock *BB);