#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/TargetTransformInfo.h"
+#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/IR/DataLayout.h"
/// \returns true if the scalars in VL are equal to this entry.
bool isSame(ArrayRef<Value *> VL) const {
assert(VL.size() == Scalars.size() && "Invalid size");
- for (int i = 0, e = VL.size(); i != e; ++i)
- if (VL[i] != Scalars[i])
- return false;
- return true;
+ return std::equal(VL.begin(), VL.end(), Scalars.begin());
}
/// A vector of scalars.
if (Ty->isAggregateType() || Ty->isVectorTy())
return 0;
- // Find the base of the GEP.
- Value *Ptr = SI->getPointerOperand();
- if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(Ptr))
- Ptr = GEP->getPointerOperand();
+ // Find the base pointer.
+ Value *Ptr = GetUnderlyingObject(SI->getPointerOperand(), DL);
// Save the store locations.
StoreRefs[Ptr].push_back(SI);
ret void
}
+; Simple 3-pair chain with loads and stores, obfuscated with bitcasts
+; CHECK: test2
+; CHECK: store <2 x double>
+; CHECK: ret
+define void @test2(double* %a, double* %b, i8* %e) {
+entry:
+ %i0 = load double* %a, align 8
+ %i1 = load double* %b, align 8
+ %mul = fmul double %i0, %i1
+ %arrayidx3 = getelementptr inbounds double* %a, i64 1
+ %i3 = load double* %arrayidx3, align 8
+ %arrayidx4 = getelementptr inbounds double* %b, i64 1
+ %i4 = load double* %arrayidx4, align 8
+ %mul5 = fmul double %i3, %i4
+ %c = bitcast i8* %e to double*
+ store double %mul, double* %c, align 8
+ %carrayidx5 = getelementptr inbounds i8* %e, i64 8
+ %arrayidx5 = bitcast i8* %carrayidx5 to double*
+ store double %mul5, double* %arrayidx5, align 8
+ ret void
+}