diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstructionCombining.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstructionCombining.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/Transforms/InstCombine/InstructionCombining.cpp b/lib/Transforms/InstCombine/InstructionCombining.cpp index 50794deba3..af065cd886 100644 --- a/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -831,7 +831,8 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { MadeChange = true; } - if ((*I)->getType() != IntPtrTy) { + Type *IndexTy = (*I)->getType(); + if (IndexTy != IntPtrTy && !IndexTy->isVectorTy()) { // If we are using a wider index than needed for this platform, shrink // it to what we need. If narrower, sign-extend it to what we need. // This explicit cast can make subsequent optimizations more obvious. @@ -914,7 +915,11 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { // Handle gep(bitcast x) and gep(gep x, 0, 0, 0). Value *StrippedPtr = PtrOp->stripPointerCasts(); - PointerType *StrippedPtrTy =cast<PointerType>(StrippedPtr->getType()); + PointerType *StrippedPtrTy = dyn_cast<PointerType>(StrippedPtr->getType()); + // We do not handle pointer-vector geps here + if (!StrippedPtr) + return 0; + if (StrippedPtr != PtrOp && StrippedPtrTy->getAddressSpace() == GEP.getPointerAddressSpace()) { |