[RS4GC] Use an value handle to help isolate errors quickly

[oota-llvm.git] / lib / Transforms / Scalar / IndVarSimplify.cpp

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index c3db22dba56f6a6486e3c3aee4de7449909259ad..ec5e15f0b8f835d53d4962c24ae47998e8fc6b7a 100644 (file)
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -129,7 +129,7 @@ private:
   void handleFloatingPointIV(Loop *L, PHINode *PH);
   void rewriteNonIntegerIVs(Loop *L);
 
-  void simplifyAndExtend(Loop *L, SCEVExpander &Rewriter, LPPassManager &LPM);
+  void simplifyAndExtend(Loop *L, SCEVExpander &Rewriter, LoopInfo *LI);
 
   bool canLoopBeDeleted(Loop *L, SmallVector<RewritePhi, 8> &RewritePhiSet);
   void rewriteLoopExitValues(Loop *L, SCEVExpander &Rewriter);
@@ -1480,7 +1480,7 @@ public:
 ///
 void IndVarSimplify::simplifyAndExtend(Loop *L,
                                        SCEVExpander &Rewriter,
-                                       LPPassManager &LPM) {
+                                       LoopInfo *LI) {
   SmallVector<WideIVInfo, 8> WideIVs;
 
   SmallVector<PHINode*, 8> LoopPhis;
@@ -1504,7 +1504,7 @@ void IndVarSimplify::simplifyAndExtend(Loop *L,
       // Information about sign/zero extensions of CurrIV.
       IndVarSimplifyVisitor Visitor(CurrIV, SE, TTI, DT);
 
-      Changed |= simplifyUsersOfIV(CurrIV, SE, DT, &LPM, DeadInsts, &Visitor);
+      Changed |= simplifyUsersOfIV(CurrIV, SE, DT, LI, DeadInsts, &Visitor);
 
       if (Visitor.WI.WidestNativeType) {
         WideIVs.push_back(Visitor.WI);
@@ -1943,8 +1943,8 @@ linearFunctionTestReplace(Loop *L,
     const SCEV *ARStep = AR->getStepRecurrence(*SE);
     // For constant IVCount, avoid truncation.
     if (isa<SCEVConstant>(ARStart) && isa<SCEVConstant>(IVCount)) {
-      const APInt &Start = cast<SCEVConstant>(ARStart)->getValue()->getValue();
-      APInt Count = cast<SCEVConstant>(IVCount)->getValue()->getValue();
+      const APInt &Start = cast<SCEVConstant>(ARStart)->getAPInt();
+      APInt Count = cast<SCEVConstant>(IVCount)->getAPInt();
       // Note that the post-inc value of BackedgeTakenCount may have overflowed
       // above such that IVCount is now zero.
       if (IVCount != BackedgeTakenCount && Count == 0) {
@@ -2120,7 +2120,7 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
   // other expressions involving loop IVs have been evaluated. This helps SCEV
   // set no-wrap flags before normalizing sign/zero extension.
   Rewriter.disableCanonicalMode();
-  simplifyAndExtend(L, Rewriter, LPM);
+  simplifyAndExtend(L, Rewriter, LI);
 
   // Check to see if this loop has a computable loop-invariant execution count.
   // If so, this means that we can compute the final value of any expressions