Speculatively revert 112699 and 112702, they seem to be causing
self host errors on clang-x86-64.

llvm-svn: 112719
diff --git a/llvm/lib/Transforms/Scalar/JumpThreading.cpp b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
index 5f35067..abf9886 100644
--- a/llvm/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
@@ -1526,7 +1526,7 @@
     // We found a use of I outside of BB.  Rename all uses of I that are outside
     // its block to be uses of the appropriate PHI node etc.  See ValuesInBlocks
     // with the two values we know.
-    SSAUpdate.Initialize(I->getType(), I->getName());
+    SSAUpdate.Initialize(I);
     SSAUpdate.AddAvailableValue(BB, I);
     SSAUpdate.AddAvailableValue(NewBB, ValueMapping[I]);
     
@@ -1681,7 +1681,7 @@
     // We found a use of I outside of BB.  Rename all uses of I that are outside
     // its block to be uses of the appropriate PHI node etc.  See ValuesInBlocks
     // with the two values we know.
-    SSAUpdate.Initialize(I->getType(), I->getName());
+    SSAUpdate.Initialize(I);
     SSAUpdate.AddAvailableValue(BB, I);
     SSAUpdate.AddAvailableValue(PredBB, ValueMapping[I]);