commit d44f9f2ff88cd03e3f944ecdd6373737d5acdb90
author Benjamin Kramer <benny.kra@googlemail.com> Tue Sep 24 17:34:29 2013 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> Tue Sep 24 17:34:29 2013 +0000
tree 670adc8506299dfd0ef486b906c0cc9a6b6b4a72
parent 085e23841e9c4f4682385fce456704a5f75f9cdc

MemoryBuiltins: Reinstate optimizing (uninitialized) loads from operator new.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191315 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/MemoryBuiltins.cpp

diff --git a/lib/Analysis/MemoryBuiltins.cpp b/lib/Analysis/MemoryBuiltins.cpp
index b904cb1..0db603b 100644
--- a/lib/Analysis/MemoryBuiltins.cpp
+++ b/lib/Analysis/MemoryBuiltins.cpp
@@ -31,12 +31,12 @@
 using namespace llvm;
 
 enum AllocType {
-  MallocLike         = 1<<0, // allocates
-  CallocLike         = 1<<1, // allocates + bzero
-  ReallocLike        = 1<<2, // reallocates
-  StrDupLike         = 1<<3,
-  OpNewLike          = 1<<4, // allocates; never returns null
-  AllocLike          = MallocLike | CallocLike | StrDupLike | OpNewLike,
+  OpNewLike          = 1<<0, // allocates; never returns null
+  MallocLike         = 1<<1 | OpNewLike, // allocates; may return null
+  CallocLike         = 1<<2, // allocates + bzero
+  ReallocLike        = 1<<3, // reallocates
+  StrDupLike         = 1<<4,
+  AllocLike          = MallocLike | CallocLike | StrDupLike,
   AnyAlloc           = AllocLike | ReallocLike
 };
 
@@ -118,7 +118,7 @@
     return 0;
 
   const AllocFnsTy *FnData = &AllocationFnData[i];
-  if ((FnData->AllocTy & AllocTy) == 0)
+  if ((FnData->AllocTy & AllocTy) != FnData->AllocTy)
     return 0;
 
   // Check function prototype.