X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAnalysis%2FSparsePropagation.cpp;h=edd82f5fe296081f635da4713ac27b0043f14d59;hb=d2ea3168ae9117324582210007a18ffc31fb6586;hp=15b78728a73c3a5fd2b463b5a9acb461a05c502a;hpb=0b8c9a80f20772c3793201ab5b251d3520b9cea3;p=oota-llvm.git

diff --git a/lib/Analysis/SparsePropagation.cpp b/lib/Analysis/SparsePropagation.cpp
index 15b78728a73..edd82f5fe29 100644
--- a/lib/Analysis/SparsePropagation.cpp
+++ b/lib/Analysis/SparsePropagation.cpp
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "sparseprop"
 #include "llvm/Analysis/SparsePropagation.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Function.h"
@@ -21,6 +20,8 @@
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
+#define DEBUG_TYPE "sparseprop"
+
 //===----------------------------------------------------------------------===//
 //                  AbstractLatticeFunction Implementation
 //===----------------------------------------------------------------------===//
@@ -147,7 +148,7 @@ void SparseSolver::getFeasibleSuccessors(TerminatorInst &TI,
       return;
 
     Constant *C = LatticeFunc->GetConstant(BCValue, BI->getCondition(), *this);
-    if (C == 0 || !isa<ConstantInt>(C)) {
+    if (!C || !isa<ConstantInt>(C)) {
       // Non-constant values can go either way.
       Succs[0] = Succs[1] = true;
       return;
@@ -189,7 +190,7 @@ void SparseSolver::getFeasibleSuccessors(TerminatorInst &TI,
     return;
   
   Constant *C = LatticeFunc->GetConstant(SCValue, SI.getCondition(), *this);
-  if (C == 0 || !isa<ConstantInt>(C)) {
+  if (!C || !isa<ConstantInt>(C)) {
     // All destinations are executable!
     Succs.assign(TI.getNumSuccessors(), true);
     return;
@@ -303,11 +304,10 @@ void SparseSolver::Solve(Function &F) {
 
       // "I" got into the work list because it made a transition.  See if any
       // users are both live and in need of updating.
-      for (Value::use_iterator UI = I->use_begin(), E = I->use_end();
-           UI != E; ++UI) {
-        Instruction *U = cast<Instruction>(*UI);
-        if (BBExecutable.count(U->getParent()))   // Inst is executable?
-          visitInst(*U);
+      for (User *U : I->users()) {
+        Instruction *UI = cast<Instruction>(U);
+        if (BBExecutable.count(UI->getParent()))   // Inst is executable?
+          visitInst(*UI);
       }
     }