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re PR tree-optimization/34099 (optimizer problem)
authorRichard Biener <rguenth@gcc.gnu.org>
Mon, 19 Nov 2007 12:52:58 +0000 (12:52 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Mon, 19 Nov 2007 12:52:58 +0000 (12:52 +0000)
commit56aa7240a13f6b4e2cd36a87726f11523929d241
treef6ea6695ffc24f0707d93737fd7d9cfc0e0319fdtree
parent0cedb9e94ed11da89cb8ee447415a86ad8bf11f6commit | diff
re PR tree-optimization/34099 (optimizer problem)

2007-11-19  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/34099
* tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR,
MINUS_EXPR and POINTER_PLUS_EXPR from handling as UNDEFINED
if only one operand is undefined.

* gcc.c-torture/execute/pr34099-2.c: New testcase.

From-SVN: r130290
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