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Bug 21458 depends on bug 18373, which changed state.
Bug 18373 Summary: [meta-bug] VRP Value Range Propagation
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18373
What|Old Value |New Value
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What|Removed |Added
Target Milestone|--- |4.1.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21458
--- Additional Comments From dnovillo at gcc dot gnu dot org 2005-06-02
03:12 ---
Fixed. http://gcc.gnu.org/ml/gcc-patches/2005-06/msg00127.html
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What|Removed |Added
--- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-06-02
02:58 ---
Subject: Bug 21458
CVSROOT:/cvs/gcc
Module name:gcc
Changes by: [EMAIL PROTECTED] 2005-06-02 02:57:15
Modified files:
gcc: ChangeLog fold-const.c tree-flow.h
--- Additional Comments From kazu at cs dot umass dot edu 2005-05-10 05:47
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DOM leaves PHI nodes like
# i_5 = PHI <1(0)>;
Then SCEV gives a symbolic initial value like i_5 with the step being 1.
So the information from SCEV is useless here.
With a tcb-like pass ordering (running
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-09
20:41 ---
Confirmed.
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What|Removed |Added
CC||pinskia at
