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| author | Jeff Law <law@redhat.com> | 2015-02-13 14:09:58 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2015-02-13 14:09:58 -0700 |
| commit | 8f895cf1ac7babe0c89533e8e9e6b6ca6bb33950 (patch) | |
| tree | b427100e1f8bad39e331f65b368651e87cfa1721 /gcc/tree-ssa-phiopt.c | |
| parent | be1448389ab3038cccba3ed99e157bd6842ef88f (diff) | |
| download | gcc-8f895cf1ac7babe0c89533e8e9e6b6ca6bb33950.zip gcc-8f895cf1ac7babe0c89533e8e9e6b6ca6bb33950.tar.gz gcc-8f895cf1ac7babe0c89533e8e9e6b6ca6bb33950.tar.bz2 | |
re PR tree-optimization/64823 (false "may be used uninitialized", missed jump threading)
PR tree-optimization/64823
* tree-vrp.c (identify_jump_threads): Handle blocks with no statements.
* tree-ssa-threadedge.c (potentially_threadable_block): Allow
threading through blocks with PHIs, but no statements.
(thread_through_normal_block): Distinguish between blocks where
we did not process all the statements and blocks with no statements.
PR tree-optimization/64823
gcc.dg/uninit-20.c: New test.
From-SVN: r220696
Diffstat (limited to 'gcc/tree-ssa-phiopt.c')
0 files changed, 0 insertions, 0 deletions