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[Bug tree-optimization/48805] ICE in rename_uses, at sese.c:533 while compiling qutecom 2.2 with -fgraphite-identity
- From: "spop at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 26 Jul 2011 18:48:13 +0000
- Subject: [Bug tree-optimization/48805] ICE in rename_uses, at sese.c:533 while compiling qutecom 2.2 with -fgraphite-identity
- Auto-submitted: auto-generated
- References: <bug-48805-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48805
--- Comment #4 from Sebastian Pop <spop at gcc dot gnu.org> 2011-07-26 18:47:51 UTC ---
Author: spop
Date: Tue Jul 26 18:47:44 2011
New Revision: 176801
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176801
Log:
Fix PR48805: Do not instantiate ADDR_EXPRs
With this patch we avoid instantiating ADDR_EXPR: it makes no sense
to translate &b[i] into &b[{0, +, 1}_1].
Bootstrapped and tested on amd64-linux.
2011-07-26 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/48805
* tree-scalar-evolution.c (instantiate_scev_r): Return
chrec_dont_know for ADDR_EXPR.
* gcc.dg/graphite/id-pr48805.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/graphite/id-pr48805.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-scalar-evolution.c