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(parent: 2f6cb9c) | patch
better PHI copy propagation for forwprop
authorRichard Biener <rguenther@suse.de>
Thu, 10 Nov 2022 14:02:37 +0000 (15:02 +0100)
committerRichard Biener <rguenther@suse.de>
Thu, 10 Nov 2022 14:19:43 +0000 (15:19 +0100)
commitf1b76811f2c3773e8cabcc07932bf13e82e264db
tree7f716507f6a8a0fe54ea254481de4a6361e91268tree | snapshot
parent2f6cb9c51a933de19cd88f4c9180ac9cf5093522commit | diff
better PHI copy propagation for forwprop

We can handle _1 = PHI <_1, _2> as a copy.

PR tree-optimization/84646
* tree-ssa-forwprop.cc (pass_forwprop::execute): Improve
copy propagation across PHIs.
gcc/tree-ssa-forwprop.cc diff | blob | blame | history
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