diff options
author | Jeff Law <law@redhat.com> | 2015-02-16 13:56:55 -0700 |
---|---|---|
committer | Jeff Law <law@gcc.gnu.org> | 2015-02-16 13:56:55 -0700 |
commit | 215f8d9eb34eace83aad9261db15b2478ac734b1 (patch) | |
tree | a6439f13a3fb8cf10f44d005b6dd6a2fd8999477 /gcc/varasm.c | |
parent | ed89033d7c15db7bbc3c6c6dfb9495ac263b3a73 (diff) | |
download | gcc-215f8d9eb34eace83aad9261db15b2478ac734b1.zip gcc-215f8d9eb34eace83aad9261db15b2478ac734b1.tar.gz gcc-215f8d9eb34eace83aad9261db15b2478ac734b1.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 real
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: r220743
Diffstat (limited to 'gcc/varasm.c')
0 files changed, 0 insertions, 0 deletions