[llvm-commits] [llvm] r133904 - in /llvm/trunk: include/llvm/Analysis/ValueTracking.h lib/Analysis/ValueTracking.cpp lib/Transforms/Utils/PromoteMemoryToRegister.cpp

[Nick Lewycky]

Author: nicholas
Date: Sun Jun 26 23:20:45 2011
New Revision: 133904

URL: http://llvm.org/viewvc/llvm-project?rev=133904&view=rev
Log:
Move onlyUsedByLifetimeMarkers to ValueTracking so that it can be used by other
passes as well.

Modified:
    llvm/trunk/include/llvm/Analysis/ValueTracking.h
    llvm/trunk/lib/Analysis/ValueTracking.cpp
    llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp

Modified: llvm/trunk/include/llvm/Analysis/ValueTracking.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/ValueTracking.h?rev=133904&r1=133903&r2=133904&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/ValueTracking.h (original)
+++ llvm/trunk/include/llvm/Analysis/ValueTracking.h Sun Jun 26 23:20:45 2011
@@ -158,6 +158,10 @@
     return GetUnderlyingObject(const_cast<Value *>(V), TD, MaxLookup);
   }
 
+  /// onlyUsedByLifetimeMarkers - Return true if the only users of this pointer
+  /// are lifetime markers.
+  bool onlyUsedByLifetimeMarkers(const Value *V);
+
 } // end namespace llvm
 
 #endif

Modified: llvm/trunk/lib/Analysis/ValueTracking.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ValueTracking.cpp?rev=133904&r1=133903&r2=133904&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ValueTracking.cpp (original)
+++ llvm/trunk/lib/Analysis/ValueTracking.cpp Sun Jun 26 23:20:45 2011
@@ -1783,3 +1783,19 @@
   }
   return V;
 }
+
+/// onlyUsedByLifetimeMarkers - Return true if the only users of this pointer
+/// are lifetime markers.
+///
+bool llvm::onlyUsedByLifetimeMarkers(const Value *V) {
+  for (Value::const_use_iterator UI = V->use_begin(), UE = V->use_end();
+       UI != UE; ++UI) {
+    const IntrinsicInst *II = dyn_cast<IntrinsicInst>(*UI);
+    if (!II) return false;
+
+    if (II->getIntrinsicID() != Intrinsic::lifetime_start &&
+        II->getIntrinsicID() != Intrinsic::lifetime_end)
+      return false;
+  }
+  return true;
+}

Modified: llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp?rev=133904&r1=133903&r2=133904&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp Sun Jun 26 23:20:45 2011
@@ -38,6 +38,7 @@
 #include "llvm/Analysis/DIBuilder.h"
 #include "llvm/Analysis/Dominators.h"
 #include "llvm/Analysis/InstructionSimplify.h"
+#include "llvm/Analysis/ValueTracking.h"
 #include "llvm/Transforms/Utils/Local.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallPtrSet.h"
@@ -73,22 +74,6 @@
 };
 }
 
-/// onlyUsedByLifetimeMarkers - Return true if the only users of this pointer
-/// are lifetime markers.
-///
-static bool onlyUsedByLifetimeMarkers(const Value *V) {
-  for (Value::const_use_iterator UI = V->use_begin(), UE = V->use_end();
-       UI != UE; ++UI) {
-    const IntrinsicInst *II = dyn_cast<IntrinsicInst>(*UI);
-    if (!II) return false;
-
-    if (II->getIntrinsicID() != Intrinsic::lifetime_start &&
-        II->getIntrinsicID() != Intrinsic::lifetime_end)
-      return false;
-  }
-  return true;
-}
-
 /// isAllocaPromotable - Return true if this alloca is legal for promotion.
 /// This is true if there are only loads and stores to the alloca.
 ///