Landing: 83a4c4c122ac

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Project / Subsystem

gcc / gcc/phiprop

Date

2026-03-27

Author

Andrew Pinski

Commit

83a4c4c122ac8552f90a524906ba73f0602a2e8e

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: gcc/phiprop
patch_id: —
commit_hash: 83a4c4c122ac8552f90a524906ba73f0602a2e8e
source_type: github
headline: Phirop: Factor out the VDEF check into a new function.
tldr: The VDEF check in the phiprop pass is now in its own function, improving code readability and maintainability.
author: Andrew Pinski
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • refactor
• compiler pass
• SSA
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/83a4c4c122ac8552f90a524906ba73f0602a2e8e
date: 2026-03-27T00:00:00.000Z

The commit factors out the VDEF check in the phiprop pass into a new function called can_move_into_conditional. This improves code readability and maintainability by isolating the check. The new function also makes it easier to skip over store statements that do not affect the loaded variable.