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MachInst backend: pass through SourceLoc information.

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This change adds SourceLoc information per instruction in a `VCode<Inst>`
container, and keeps this information up-to-date across register allocation
and branch reordering. The information is initially collected during
instruction lowering, eventually collected on the MachSection, and finally
provided to the environment that wraps the codegen crate for wasmtime.
This commit is contained in:
Chris Fallin
2020-04-21 18:31:02 -07:00
parent 74eda8090c
commit b691770faa
7 changed files with 193 additions and 19 deletions
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5
Cargo.lock generated
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@@ -1538,12 +1538,13 @@ dependencies = [
[[package]]
name = "regalloc"
version = "0.0.17"
version = "0.0.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "89ce0cd835fa6e91bbf5d010beee19d0c2e97e4ad5e13c399a31122cfc83bdd6"
checksum = "c6d7df180ed313488abdbeec2e3398f16cbf5ea6ce20db968c8cd6fc410400a9"
dependencies = [
"log",
"rustc-hash",
"smallvec",
]
[[package]]