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peepmatic: Make peepmatic optional to enable

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Rather than outright replacing parts of our existing peephole optimizations
passes, this makes peepmatic an optional cargo feature that can be enabled. This
allows us to take a conservative approach with enabling peepmatic everywhere,
while also allowing us to get it in-tree and make it easier to collaborate on
improving it quickly.
This commit is contained in:
Nick Fitzgerald
2020-05-08 12:15:23 -07:00
parent 6e135b3aea
commit 52c6ece5f3
25 changed files with 2284 additions and 100 deletions
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7
cranelift/codegen/Cargo.toml
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@@ -24,7 +24,7 @@ gimli = { version = "0.20.0", default-features = false, features = ["write"], op
smallvec = { version = "1.0.0" }
thiserror = "1.0.4"
byteorder = { version = "1.3.2", default-features = false }
peepmatic-runtime = { path = "../peepmatic/crates/runtime" }
peepmatic-runtime = { path = "../peepmatic/crates/runtime", optional = true }
regalloc = "0.0.23"
# 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
@@ -74,9 +74,12 @@ all-arch = [
# For dependent crates that want to serialize some parts of cranelift
enable-serde = ["serde"]
# Recompile our optimizations that are written in the peepmatic DSL into a
# Recompile our optimizations that are written in the `peepmatic` DSL into a
# compact finite-state transducer automaton.
rebuild-peephole-optimizers = ["peepmatic"]
# Enable the use of `peepmatic`-generated peephole optimizers.
enable-peepmatic = ["peepmatic-runtime"]
[badges]
maintenance = { status = "experimental" }