On 01/30/14 07:51, Richard Biener wrote:
This fixes an oversight with the (p + o1) + o2 association with
respect to abnormal-used SSA names. I've also added a single-use
test so we don't add extra computations.
Bootstrap and regtest running on x86_64-unknown-linux-gnu.
Richard.
2014-01-30 Richard Biener <rguent...@suse.de>
PR tree-optimization/59993
* tree-ssa-forwprop.c (associate_pointerplus): Check we
can propagate form the earlier stmt and avoid the transform
when the intermediate result is needed.
* gcc.dg/torture/pr59993.c: New testcase.
Seems reasonable to me.
jeff
