diff options
Diffstat (limited to 'lib/Analysis/PointerTracking.cpp')
-rw-r--r-- | lib/Analysis/PointerTracking.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Analysis/PointerTracking.cpp b/lib/Analysis/PointerTracking.cpp index e098647887..22818369b8 100644 --- a/lib/Analysis/PointerTracking.cpp +++ b/lib/Analysis/PointerTracking.cpp @@ -13,6 +13,7 @@ #include "llvm/Analysis/ConstantFolding.h" #include "llvm/Analysis/Dominators.h" #include "llvm/Analysis/LoopInfo.h" +#include "llvm/Analysis/MallocHelper.h" #include "llvm/Analysis/PointerTracking.h" #include "llvm/Analysis/ScalarEvolution.h" #include "llvm/Analysis/ScalarEvolutionExpressions.h" @@ -99,6 +100,14 @@ const SCEV *PointerTracking::computeAllocationCount(Value *P, return SE->getSCEV(arraySize); } + if (CallInst *CI = extractMallocCall(V)) { + Value *arraySize = getMallocArraySize(CI, P->getContext(), TD); + Ty = getMallocAllocatedType(CI); + if (!Ty || !arraySize) return SE->getCouldNotCompute(); + // arraySize elements of type Ty. + return SE->getSCEV(arraySize); + } + if (GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) { if (GV->hasDefinitiveInitializer()) { Constant *C = GV->getInitializer(); |