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re PR tree-optimization/81165 (Regression in GCC-8.0.0's optimizer)
authorJeff Law <law@gcc.gnu.org>
Fri, 15 Dec 2017 22:11:06 +0000 (15:11 -0700)
committerJeff Law <law@gcc.gnu.org>
Fri, 15 Dec 2017 22:11:06 +0000 (15:11 -0700)
commit5806e0622de3356ae291a74a4c0d4c2e0af4c0d6
treeb8e6c164eb187dd22c1305123e27d655276679ectree
parent38f4bea834ef4c25cd89c824f15ee8d6b30a3760commit | diff
re PR tree-optimization/81165 (Regression in GCC-8.0.0's optimizer)

PR tree-optimization/81165
* tree-ssa-threadupdate.c (uses_in_bb): New.
(estimate_threading_killed_stmts): New.
* tree-ssa-threadupdate.h (estimate_threading_killed_stmts): Prototype.
* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts_at_dest): Expand limit
when its hit.

PR tree-optimization/81165
* gcc.dg/pr81165.c: New.

From-SVN: r255724
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/pr81165.c [new file with mode: 0644] blob
gcc/tree-ssa-threadedge.c diff | blob | history
gcc/tree-ssa-threadupdate.c diff | blob | history
gcc/tree-ssa-threadupdate.h diff | blob | history