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Add support for running the regalloc2 checker. (#4043)

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With these fixes, all this PR has to do is instantiate and run the
checker on the `regalloc2::Output`. This is off by default, and is
enabled by setting the `regalloc_checker` Cranelift option.

This restores the old functionality provided by e.g. the
`backtracking_checked` regalloc algorithm setting rather than
`backtracking` when we were still on regalloc.rs.
This commit is contained in:
Chris Fallin
2022-04-18 14:06:07 -07:00
committed by GitHub
parent 534e4263ce
commit 0af8737ec3
7 changed files with 39 additions and 3 deletions
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cranelift/codegen/Cargo.toml
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@@ -23,7 +23,7 @@ serde = { version = "1.0.94", features = ["derive"], optional = true }
bincode = { version = "1.2.1", optional = true }
gimli = { version = "0.26.0", default-features = false, features = ["write"], optional = true }
smallvec = { version = "1.6.1" }
regalloc2 = { version = "0.1.1", features = ["checker"] }
regalloc2 = { version = "0.1.2", features = ["checker"] }
souper-ir = { version = "2.1.0", optional = true }
# It is a goal of the cranelift-codegen crate to have minimal external dependencies.
# Please don't add any unless they are essential to the task of creating binary