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haifa-sched.c (find_rgns): In no_loops case, fix test for leaf blocks.
authorJeffrey A Law <law@cygnus.com>
Wed, 6 May 1998 00:12:15 +0000 (00:12 +0000)
committerJeff Law <law@gcc.gnu.org>
Wed, 6 May 1998 00:12:15 +0000 (18:12 -0600)
commit15ebe47d89fc04267f3b232556ebedd6e19d3bcc
treeef772890c516b422d092a5e6a0eccc6e446a8236tree
parent0fac6b0b32f12da03f8443883fa6434db14b55a6commit | diff
haifa-sched.c (find_rgns): In no_loops case, fix test for leaf blocks.

        * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
        blocks.  Check for 1 successor which is the EXIT_BLOCK.
        * haifa-sched.c (find_rgns): Detect unreachable blocks, including
        unreachable loops with more than one block.

Co-Authored-By: Jim Wilson <wilson@cygnus.com>
From-SVN: r19558
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