From 6033716140c18887174d3371ef7c9a840e001a24 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 5 Nov 2005 21:57:54 +0000 Subject: [PATCH] verify that alignments are always a power of 2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24200 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/VMCore/Instructions.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp index 96a010b2f77..48f3ed0e5f3 100644 --- a/lib/VMCore/Instructions.cpp +++ b/lib/VMCore/Instructions.cpp @@ -498,6 +498,7 @@ AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, Instruction *InsertBefore) : UnaryInstruction(PointerType::get(Ty), iTy, getAISize(ArraySize), Name, InsertBefore), Alignment(Align) { + assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!"); assert(Ty != Type::VoidTy && "Cannot allocate void!"); } @@ -506,6 +507,7 @@ AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, BasicBlock *InsertAtEnd) : UnaryInstruction(PointerType::get(Ty), iTy, getAISize(ArraySize), Name, InsertAtEnd), Alignment(Align) { + assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!"); assert(Ty != Type::VoidTy && "Cannot allocate void!"); } -- 2.34.1