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removes a few "const" qualifiers
so that I can (someday) call SE->getSCEV without complaint. No semantic change intended. Patch from Preston Briggs <preston.briggs@gmail.com>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168391 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -53,8 +53,8 @@ namespace llvm {
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/// input dependences are unordered.
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class Dependence {
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public:
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Dependence(const Instruction *Source,
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const Instruction *Destination) :
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Dependence(Instruction *Source,
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Instruction *Destination) :
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Src(Source), Dst(Destination) {}
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virtual ~Dependence() {}
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@ -82,11 +82,11 @@ namespace llvm {
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/// getSrc - Returns the source instruction for this dependence.
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///
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const Instruction *getSrc() const { return Src; }
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Instruction *getSrc() const { return Src; }
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/// getDst - Returns the destination instruction for this dependence.
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///
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const Instruction *getDst() const { return Dst; }
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Instruction *getDst() const { return Dst; }
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/// isInput - Returns true if this is an input dependence.
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///
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@ -158,7 +158,7 @@ namespace llvm {
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///
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void dump(raw_ostream &OS) const;
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private:
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const Instruction *Src, *Dst;
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Instruction *Src, *Dst;
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friend class DependenceAnalysis;
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};
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@ -173,8 +173,8 @@ namespace llvm {
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/// input dependences are unordered.
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class FullDependence : public Dependence {
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public:
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FullDependence(const Instruction *Src,
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const Instruction *Dst,
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FullDependence(Instruction *Src,
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Instruction *Dst,
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bool LoopIndependent,
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unsigned Levels);
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~FullDependence() {
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@ -243,8 +243,8 @@ namespace llvm {
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/// The flag PossiblyLoopIndependent should be set by the caller
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/// if it appears that control flow can reach from Src to Dst
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/// without traversing a loop back edge.
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Dependence *depends(const Instruction *Src,
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const Instruction *Dst,
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Dependence *depends(Instruction *Src,
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Instruction *Dst,
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bool PossiblyLoopIndependent);
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/// getSplitIteration - Give a dependence that's splitable at some
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@ -221,8 +221,8 @@ bool Dependence::isScalar(unsigned level) const {
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//===----------------------------------------------------------------------===//
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// FullDependence methods
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FullDependence::FullDependence(const Instruction *Source,
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const Instruction *Destination,
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FullDependence::FullDependence(Instruction *Source,
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Instruction *Destination,
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bool PossiblyLoopIndependent,
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unsigned CommonLevels) :
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Dependence(Source, Destination),
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@ -649,10 +649,10 @@ bool isLoadOrStore(const Instruction *I) {
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static
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const Value *getPointerOperand(const Instruction *I) {
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if (const LoadInst *LI = dyn_cast<LoadInst>(I))
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Value *getPointerOperand(Instruction *I) {
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if (LoadInst *LI = dyn_cast<LoadInst>(I))
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return LI->getPointerOperand();
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if (const StoreInst *SI = dyn_cast<StoreInst>(I))
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if (StoreInst *SI = dyn_cast<StoreInst>(I))
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return SI->getPointerOperand();
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llvm_unreachable("Value is not load or store instruction");
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return 0;
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@ -3195,8 +3195,8 @@ static void dumpSmallBitVector(SmallBitVector &BV) {
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// PLDI 1991
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//
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// Care is required to keep the code below up to date w.r.t. this routine.
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Dependence *DependenceAnalysis::depends(const Instruction *Src,
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const Instruction *Dst,
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Dependence *DependenceAnalysis::depends(Instruction *Src,
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Instruction *Dst,
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bool PossiblyLoopIndependent) {
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if ((!Src->mayReadFromMemory() && !Src->mayWriteToMemory()) ||
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(!Dst->mayReadFromMemory() && !Dst->mayWriteToMemory()))
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@ -3207,8 +3207,8 @@ Dependence *DependenceAnalysis::depends(const Instruction *Src,
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// can only analyze simple loads and stores, i.e., no calls, invokes, etc.
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return new Dependence(Src, Dst);
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const Value *SrcPtr = getPointerOperand(Src);
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const Value *DstPtr = getPointerOperand(Dst);
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Value *SrcPtr = getPointerOperand(Src);
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Value *DstPtr = getPointerOperand(Dst);
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switch (underlyingObjectsAlias(AA, DstPtr, SrcPtr)) {
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case AliasAnalysis::MayAlias:
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@ -3222,8 +3222,8 @@ Dependence *DependenceAnalysis::depends(const Instruction *Src,
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break; // The underlying objects alias; test accesses for dependence.
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}
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const GEPOperator *SrcGEP = dyn_cast<GEPOperator>(SrcPtr);
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const GEPOperator *DstGEP = dyn_cast<GEPOperator>(DstPtr);
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GEPOperator *SrcGEP = dyn_cast<GEPOperator>(SrcPtr);
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GEPOperator *DstGEP = dyn_cast<GEPOperator>(DstPtr);
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if (!SrcGEP || !DstGEP)
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return new Dependence(Src, Dst); // missing GEP, assume dependence
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@ -3605,8 +3605,8 @@ const SCEV *DependenceAnalysis::getSplitIteration(const Dependence *Dep,
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assert(Dep && "expected a pointer to a Dependence");
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assert(Dep->isSplitable(SplitLevel) &&
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"Dep should be splitable at SplitLevel");
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const Instruction *Src = Dep->getSrc();
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const Instruction *Dst = Dep->getDst();
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Instruction *Src = Dep->getSrc();
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Instruction *Dst = Dep->getDst();
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assert(Src->mayReadFromMemory() || Src->mayWriteToMemory());
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assert(Dst->mayReadFromMemory() || Dst->mayWriteToMemory());
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assert(isLoadOrStore(Src));
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