[PATCH] A bit-tracking DCE Pass

[hfinkel at anl.gov]

================
Comment at: lib/Transforms/Scalar/BDCE.cpp:144
@@ +143,3 @@
+         OI != OE; ++OI)
+      if (Instruction* I = dyn_cast<Instruction>(OI)) {
+        if (IntegerType *IT = dyn_cast<IntegerType>(I->getType())) {
----------------
majnemer wrote:
> Pointer on the right hand side.
I don't understand. The RHS has OI, which is an Instruction::op_iterator, which is a Use*.

http://reviews.llvm.org/D7531

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