PR14055: Implement support for sub-vector operations in SROA.

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

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index 8a2f0936292ba73cac37cfdb6d78a4a81c18b289..310fd6147aa9acdb98752964e461b65abc967775 100644 (file)
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -220,8 +220,6 @@ static Instruction *getInsertPointForUses(Instruction *User, Value *Def,
 /// ConvertToSInt - Convert APF to an integer, if possible.
 static bool ConvertToSInt(const APFloat &APF, int64_t &IntVal) {
   bool isExact = false;
-  if (&APF.getSemantics() == &APFloat::PPCDoubleDouble)
-    return false;
   // See if we can convert this to an int64_t
   uint64_t UIntVal;
   if (APF.convertToInteger(&UIntVal, 64, true, APFloat::rmTowardZero,
@@ -1430,8 +1428,7 @@ FindLoopCounter(Loop *L, const SCEV *BECount,
 /// genLoopLimit - Help LinearFunctionTestReplace by generating a value that
 /// holds the RHS of the new loop test.
 static Value *genLoopLimit(PHINode *IndVar, const SCEV *IVCount, Loop *L,
-                           SCEVExpander &Rewriter, ScalarEvolution *SE,
-                           Type *IntPtrTy) {
+                           SCEVExpander &Rewriter, ScalarEvolution *SE) {
   const SCEVAddRecExpr *AR = dyn_cast<SCEVAddRecExpr>(SE->getSCEV(IndVar));
   assert(AR && AR->getLoop() == L && AR->isAffine() && "bad loop counter");
   const SCEV *IVInit = AR->getStart();
@@ -1457,8 +1454,7 @@ static Value *genLoopLimit(PHINode *IndVar, const SCEV *IVCount, Loop *L,
     // We could handle pointer IVs other than i8*, but we need to compensate for
     // gep index scaling. See canExpandBackedgeTakenCount comments.
     assert(SE->getSizeOfExpr(
-             cast<PointerType>(GEPBase->getType())->getElementType(),
-             IntPtrTy)->isOne()
+             cast<PointerType>(GEPBase->getType())->getElementType())->isOne()
            && "unit stride pointer IV must be i8*");
 
     IRBuilder<> Builder(L->getLoopPreheader()->getTerminator());
@@ -1557,9 +1553,7 @@ LinearFunctionTestReplace(Loop *L,
     CmpIndVar = IndVar;
   }
 
-  Type *IntPtrTy = TD ? TD->getIntPtrType(IndVar->getType()) :
-    IntegerType::getInt64Ty(IndVar->getContext());
-  Value *ExitCnt = genLoopLimit(IndVar, IVCount, L, Rewriter, SE, IntPtrTy);
+  Value *ExitCnt = genLoopLimit(IndVar, IVCount, L, Rewriter, SE);
   assert(ExitCnt->getType()->isPointerTy() == IndVar->getType()->isPointerTy()
          && "genLoopLimit missed a cast");