}
unsigned X86FastISel::TargetMaterializeAlloca(AllocaInst *C) {
+ // Fail on dynamic allocas. At this point, getRegForValue has already
+ // checked its CSE maps, so if we're here trying to handle a dynamic
+ // alloca, we're not going to succeed. X86SelectAddress has a
+ // check for dynamic allocas, because it's called directly from
+ // various places, but TargetMaterializeAlloca also needs a check
+ // in order to avoid recursion between getRegForValue,
+ // X86SelectAddrss, and TargetMaterializeAlloca.
+ if (!StaticAllocaMap.count(C))
+ return 0;
+
X86AddressMode AM;
if (!X86SelectAddress(C, AM, false))
return 0;