[Bug middle-end/43396] Very long compile time with -O1 -fgraphite-identity

[zsojka at seznam dot cz]

------- Comment #1 from zsojka at seznam dot cz  2010-03-16 20:39 -------
Created an attachment (id=20119)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20119&action=view)
reduced testcase (from testsuite/gcc.c-torture/execute/builtins/memcpy-chk.c)

gcc -O1 -fgraphite-identity -c pr43396.c
Compilation takes ~9 seconds on a 2.6GHz CPU.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43396