From c1c4ad6e64fc0037f4f21952bc6d1a569bce2fa1 Mon Sep 17 00:00:00 2001 From: Matthew Simpson Date: Thu, 15 Mar 2018 16:00:29 +0000 Subject: [ConstantFolding, InstSimplify] Handle more vector GEPs This patch addresses some additional cases where the compiler crashes upon encountering vector GEPs. This should fix PR36116. Differential Revision: https://reviews.llvm.org/D44219 Reference: https://bugs.llvm.org/show_bug.cgi?id=36116 llvm-svn: 327638 --- llvm/lib/Analysis/InstructionSimplify.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'llvm/lib/Analysis/InstructionSimplify.cpp') diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp index 5e43cb7cec1..67669c2eca1 100644 --- a/llvm/lib/Analysis/InstructionSimplify.cpp +++ b/llvm/lib/Analysis/InstructionSimplify.cpp @@ -3723,7 +3723,7 @@ static Value *SimplifyGEPInst(Type *SrcTy, ArrayRef Ops, if (Ops.size() == 2) { // getelementptr P, 0 -> P. - if (match(Ops[1], m_Zero())) + if (match(Ops[1], m_Zero()) && Ops[0]->getType() == GEPTy) return Ops[0]; Type *Ty = SrcTy; @@ -3732,7 +3732,7 @@ static Value *SimplifyGEPInst(Type *SrcTy, ArrayRef Ops, uint64_t C; uint64_t TyAllocSize = Q.DL.getTypeAllocSize(Ty); // getelementptr P, N -> P if P points to a type of zero size. - if (TyAllocSize == 0) + if (TyAllocSize == 0 && Ops[0]->getType() == GEPTy) return Ops[0]; // The following transforms are only safe if the ptrtoint cast -- cgit v1.2.3