X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FTargetData.cpp;h=0040147022d3d9be77c7a2b649b184d93e58909b;hb=bfcb4aa10b5948539f6ee59eecfe88faa9fc4e94;hp=cc6dc1e25998eb4379d0c9fb05b8e33f8a428c41;hpb=030a3415b0ddd15c532e37892bd7ebdbef8a35b6;p=oota-llvm.git

diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp
index cc6dc1e2599..0040147022d 100644
--- a/lib/Target/TargetData.cpp
+++ b/lib/Target/TargetData.cpp
@@ -314,6 +314,8 @@ void
 TargetData::setAlignment(AlignTypeEnum align_type, unsigned abi_align,
                          unsigned pref_align, uint32_t bit_width) {
   assert(abi_align <= pref_align && "Preferred alignment worse than ABI!");
+  assert(pref_align < (1 << 16) && "Alignment doesn't fit in bitfield");
+  assert(bit_width < (1 << 24) && "Bit width doesn't fit in bitfield");
   for (unsigned i = 0, e = Alignments.size(); i != e; ++i) {
     if (Alignments[i].AlignType == align_type &&
         Alignments[i].TypeBitWidth == bit_width) {