[llvm-branch-commits] [llvm-branch] r109194 - /llvm/branches/ggreif/waymark-64/lib/VMCore/Use.cpp

[Gabor Greif]

Author: ggreif
Date: Thu Jul 22 18:01:32 2010
New Revision: 109194

URL: http://llvm.org/viewvc/llvm-project?rev=109194&view=rev
Log:
add a simplistic getImpliedUser<3>, but no workee yet

Modified:
    llvm/branches/ggreif/waymark-64/lib/VMCore/Use.cpp

Modified: llvm/branches/ggreif/waymark-64/lib/VMCore/Use.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/ggreif/waymark-64/lib/VMCore/Use.cpp?rev=109194&r1=109193&r2=109194&view=diff
==============================================================================
--- llvm/branches/ggreif/waymark-64/lib/VMCore/Use.cpp (original)
+++ llvm/branches/ggreif/waymark-64/lib/VMCore/Use.cpp Thu Jul 22 18:01:32 2010
@@ -50,7 +50,33 @@
 
 template <>
 const Use *Use::getImpliedUser<3>(const Use *Current) {
-  return getImpliedUser<2>(Current);
+  while (true) {
+    unsigned Tag = (Current++)->Prev.getInt();
+    if (Tag < stop64Tag)
+      continue;
+    switch (Tag) {
+      case stop64Tag: {
+        ptrdiff_t Offset = 0;
+        while (true) {
+          unsigned Tag = Current->Prev.getInt();
+          switch (Tag) {
+            case zero64Tag:
+            case one64Tag:
+            case two64Tag:
+            case three64Tag:
+              ++Current;
+              Offset = (Offset << 2) + Tag;
+              continue;
+            default:
+              return Current + Offset;
+          }
+        }
+      }
+
+      case fullStopTag:
+        return Current;
+    }
+  }
 }
 
 template <>