[llvm-commits] [poolalloc] r72124 - /poolalloc/branches/SVA/lib/DSA/Local.cpp

[John Criswell]

Author: criswell
Date: Tue May 19 14:35:52 2009
New Revision: 72124

URL: http://llvm.org/viewvc/llvm-project?rev=72124&view=rev
Log:
Moved the kmem_cache_alloc() hack from the local DSA pass to the Top-Down DSA
pass (where more aliasing information is available).

Modified:
    poolalloc/branches/SVA/lib/DSA/Local.cpp

Modified: poolalloc/branches/SVA/lib/DSA/Local.cpp
URL: http://llvm.org/viewvc/llvm-project/poolalloc/branches/SVA/lib/DSA/Local.cpp?rev=72124&r1=72123&r2=72124&view=diff

==============================================================================
--- poolalloc/branches/SVA/lib/DSA/Local.cpp (original)
+++ poolalloc/branches/SVA/lib/DSA/Local.cpp Tue May 19 14:35:52 2009
@@ -1911,33 +1911,6 @@
       EliminateUsesOfECGlobals(*I->second, ECGlobals);
   }
 
-#ifdef LLVA_KERNEL
-
-  // Ugly hack.  kmem_cache_allocs are in the same pool also if the kmem_cache_t's are the same
-  // this only works on global kmem_cache_ts
-  Function* KMA = M.getNamedFunction("kmem_cache_alloc");
-  if (KMA) {
-    for (Value::use_iterator ii = KMA->use_begin(), ee = KMA->use_end();
-         ii != ee; ++ii) {
-      std::map<Value*, MetaPool*> locs;
-      if (CallInst* CI = dyn_cast<CallInst>(*ii)) {
-        if (CI->getCalledFunction() == KMA && isa<GlobalValue>(CI->getOperand(1))) {
-          Value* V = CI->getOperand(1); //the kmem_cache_alloc
-          DSNodeHandle DSH = DSInfo[CI->getParent()->getParent()]->getNodeForValue(CI);
-          MetaPoolHandle L(locs[V]), N(DSH.getNode()->getMP());
-          if (L.getPool() != N.getPool()) {
-            std::cerr << "kmem_cache_alloc recovered merge\n";
-            MetaPoolHandle L(locs[V]), N(DSH.getNode()->getMP());
-            DSH.getNode()->getMP()->merge(locs[V]);
-          }
-          locs[V] = DSH.getNode()->getMP();
-        }
-      }
-    }
-  }
-
-#endif
-
   return true;
 }