From: Dan Gohman <gohman@apple.com>
Date: Tue, 8 Jul 2008 23:47:04 +0000 (+0000)
Subject: Verify that MachineMemOperand alignment is a non-zero power of 2.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f1bf29e648a25a440d3dcf5a445b30c4129c9bca;p=oota-llvm.git

Verify that MachineMemOperand alignment is a non-zero power of 2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53262 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index da8101f6a08..38176b0c132 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -246,6 +246,7 @@ MachineMemOperand::MachineMemOperand(const Value *v, unsigned int f,
                                      int64_t o, uint64_t s, unsigned int a)
   : Offset(o), Size(s), V(v),
     Flags((f & 7) | ((Log2_32(a) + 1) << 3)) {
+  assert(isPowerOf2_32(a) && "Alignment is not a power of 2!");
 }
 
 //===----------------------------------------------------------------------===//