From c71108b6f843f39d4a305e6d351e4a2be4f604b2 Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Mon, 26 Mar 2012 20:39:18 +0000 Subject: [PATCH] PR12357: The pointer was used before it was checked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153465 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/InstCombine/InstructionCombining.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/Transforms/InstCombine/InstructionCombining.cpp b/lib/Transforms/InstCombine/InstructionCombining.cpp index 349ba83961c..8802ba448e7 100644 --- a/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -915,11 +915,13 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) { // Handle gep(bitcast x) and gep(gep x, 0, 0, 0). Value *StrippedPtr = PtrOp->stripPointerCasts(); - PointerType *StrippedPtrTy = dyn_cast(StrippedPtr->getType()); + // We do not handle pointer-vector geps here if (!StrippedPtr) return 0; + PointerType *StrippedPtrTy = dyn_cast(StrippedPtr->getType()); + if (StrippedPtr != PtrOp && StrippedPtrTy->getAddressSpace() == GEP.getPointerAddressSpace()) { -- 2.34.1