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Improve the usage message for -Z dump-mir. #56597

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Merged
merged 1 commit into from
Dec 8, 2018

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vext01
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@vext01 vext01 commented Dec 7, 2018

Ouput now looks like this:

$ rustc -Z help
...
    -Z               arg-align-attributes -- emit align metadata for reference arguments
    -Z                       dump-mir=val -- dump MIR state to file.
        `val` is used to select which passes and functions to dump. For example:
        `all` matches all passes and functions,
        `foo` matches all passes for functions whose name contains 'foo',
        `foo & ConstProp` only the 'ConstProp' pass for function names containing 'foo',
        `foo | bar` all passes for function names containing 'foo' or 'bar'.
    -Z                   dump-mir-dir=val -- the directory the MIR is dumped into
...

Fixes #56558

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r? @matthewjasper

(rust_highfive has picked a reviewer for you, use r? to override)

@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Dec 7, 2018
@wesleywiser
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Thanks!

@bors r+ rollup

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bors commented Dec 7, 2018

📌 Commit 5f9f05d has been approved by wesleywiser

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Dec 7, 2018
Centril added a commit to Centril/rust that referenced this pull request Dec 8, 2018
Improve the usage message for `-Z dump-mir`.

Ouput now looks like this:
```
$ rustc -Z help
...
    -Z               arg-align-attributes -- emit align metadata for reference arguments
    -Z                       dump-mir=val -- dump MIR state to file.
        `val` is used to select which passes and functions to dump. For example:
        `all` matches all passes and functions,
        `foo` matches all passes for functions whose name contains 'foo',
        `foo & ConstProp` only the 'ConstProp' pass for function names containing 'foo',
        `foo | bar` all passes for function names containing 'foo' or 'bar'.
    -Z                   dump-mir-dir=val -- the directory the MIR is dumped into
...
```

Fixes rust-lang#56558
bors added a commit that referenced this pull request Dec 8, 2018
Rollup of 6 pull requests

Successful merges:

 - #56248 (Suggest an appropriate token when encountering `pub Ident<'a>`)
 - #56597 (Improve the usage message for `-Z dump-mir`.)
 - #56599 (codegen: Fix va_list - aarch64 iOS/Windows)
 - #56602 (Fix the just-introduced ptr::hash docs)
 - #56620 (resolve: Reduce some clutter in import ambiguity errors)
 - #56621 (Add missing comma in Generators)

Failed merges:

r? @ghost
@bors bors merged commit 5f9f05d into rust-lang:master Dec 8, 2018
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5 participants