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authorAlexandre Oliva <oliva@adacore.com>2024-11-27 06:27:12 -0300
committerAlexandre Oliva <oliva@gnu.org>2024-11-27 06:27:12 -0300
commit32f6485849c8268f5c7bd8454702bfec369768b1 (patch)
tree3dcccc5a6737f80e4628c31d7dc396bef10357a3 /gcc/c
parentfed871f93c235da8ccba29d7beb715abc1482e59 (diff)
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ifcombine: skip fallback conjunction on noncontiguous blocks
When everything else fails, if enabled by the target or by a parameter, and when other requirements are satisfied, ifcombine generates an AND of both conditions. That may be good for contiguous conditions, but it's unlikely to be an optimization when the blocks are separate. Add contiguity to the set of requirements for this fallback transformation. for gcc/ChangeLog * tree-ssa-ifcombine.cc (ifcombine_ifandif): Avoid fallback conjunction of noncontiguous conditions.
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