commit d3773507188d550a3ce5be09662235cf23679811
author Reid Spencer <rspencer@reidspencer.com> Thu Dec 21 18:59:16 2006 +0000
committer Reid Spencer <rspencer@reidspencer.com> Thu Dec 21 18:59:16 2006 +0000
tree 252a83e2e1b9bd47d7329aa7f51b022de5522809
parent eefef64e591a851a47cd0525d96616ba99f73c75

Add a FIXME about signedness.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32732 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/ScalarEvolution.cpp

diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index ec98adc..bc1f9a0 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -2151,6 +2151,8 @@
   Constant *TwoA = ConstantExpr::getMul(A, Two);
 
   // The divisions must be performed as signed divisions.
+  // FIXME:Signedness. These casts can all go away once integer types are
+  // signless.
   const Type *SignedTy = NegB->getType()->getSignedVersion();
   NegB = ConstantExpr::getBitCast(NegB, SignedTy);
   TwoA = ConstantExpr::getBitCast(TwoA, SignedTy);