[llvm-commits] [llvm] r132360 - in /llvm/trunk: lib/Analysis/ScalarEvolution.cpp test/Transforms/IndVarSimplify/elim-extend.ll

Duncan Sands baldrick at free.fr
Wed Jun 1 00:24:32 PDT 2011


Hi Andrew,

> scev: Better sign-extend removal. Normalize postincrement recurrences
> so that their sign extended forms are congruent when no overflow occurs.

it looks like this broke the x86-64 dragonegg buildbot:
http://google1.osuosl.org:8011/builders/dragonegg-x86_64-linux/builds/1606

You can reproduce the issue by running "opt -O2" on the attached IR.

Ciao, Duncan.
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