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Make the lowering of thir::ExprKind::If easier to follow #122063

Merged
merged 3 commits into from
Mar 7, 2024
Merged

Make the lowering of thir::ExprKind::If easier to follow #122063

merged 3 commits into from
Mar 7, 2024

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Zalathar
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@Zalathar Zalathar commented Mar 6, 2024

This targets a few code patterns that I found very confusing when I first tried to understand what this code is doing.

No functional changes. I recommend looking at the changes individually, with whitespace hidden.

@Zalathar
Clarify how lowering if produces then/else blocks
7396fd1 
This makes it easier to see that the call to `in_scope` returns both the then
block and the else block. The rather confusing `unpack!` step is confined to
its own separate line.

(This patch reindents several lines, so using "ignore whitespace" is
recommended in order to focus on the actual changes.)
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rustbot commented Mar 6, 2024

r? @oli-obk

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Mar 6, 2024
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oli-obk commented Mar 6, 2024

@bors r+ rollup

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bors commented Mar 6, 2024

📌 Commit 250e697 has been approved by oli-obk

It is now in the queue for this repository.

@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 Mar 6, 2024
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Mar 6, 2024
@matthiaskrgr
Rollup merge of rust-lang#122063 - Zalathar:lower-if, r=oli-obk
6a10540 
Make the lowering of `thir::ExprKind::If` easier to follow

This targets a few code patterns that I found very confusing when I first tried to understand what this code is doing.

No functional changes. I recommend looking at the changes individually, with whitespace hidden.
@matthiaskrgr matthiaskrgr mentioned this pull request Mar 6, 2024
Closed
bors added a commit to rust-lang-ci/rust that referenced this pull request Mar 6, 2024
@bors
Auto merge of rust-lang#122096 - matthiaskrgr:rollup-s8sh1rn, r=matth…
4268d71 
…iaskrgr

Rollup of 10 pull requests

Successful merges:

 - rust-lang#121958 (Fix redundant import errors for preload extern crate)
 - rust-lang#121976 (Add an option to have an external download/bootstrap cache)
 - rust-lang#122022 (loongarch: add frecipe and relax target feature)
 - rust-lang#122026 (Do not try to format removed files)
 - rust-lang#122027 (Uplift some feeding out of `associated_type_for_impl_trait_in_impl` and into queries)
 - rust-lang#122063 (Make the lowering of `thir::ExprKind::If` easier to follow)
 - rust-lang#122066 (Add proper cfgs for struct HirIdValidator used only with debug-assert)
 - rust-lang#122074 (Add missing PartialOrd trait implementation doc for array)
 - rust-lang#122082 (remove outdated fixme comment)
 - rust-lang#122091 (Note why we're using a new thread in `test_get_os_named_thread`)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Mar 6, 2024
@bors
Auto merge of rust-lang#122096 - matthiaskrgr:rollup-s8sh1rn, r=matth…
ed4cff2 
…iaskrgr

Rollup of 10 pull requests

Successful merges:

 - rust-lang#121958 (Fix redundant import errors for preload extern crate)
 - rust-lang#121976 (Add an option to have an external download/bootstrap cache)
 - rust-lang#122022 (loongarch: add frecipe and relax target feature)
 - rust-lang#122026 (Do not try to format removed files)
 - rust-lang#122027 (Uplift some feeding out of `associated_type_for_impl_trait_in_impl` and into queries)
 - rust-lang#122063 (Make the lowering of `thir::ExprKind::If` easier to follow)
 - rust-lang#122066 (Add proper cfgs for struct HirIdValidator used only with debug-assert)
 - rust-lang#122074 (Add missing PartialOrd trait implementation doc for array)
 - rust-lang#122082 (remove outdated fixme comment)
 - rust-lang#122091 (Note why we're using a new thread in `test_get_os_named_thread`)

r? `@ghost`
`@rustbot` modify labels: rollup
@matthiaskrgr matthiaskrgr mentioned this pull request Mar 6, 2024
Merged
bors added a commit to rust-lang-ci/rust that referenced this pull request Mar 6, 2024
@bors
Auto merge of rust-lang#122113 - matthiaskrgr:rollup-5d1jnwi, r=matth…
db4f116 
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#121958 (Fix redundant import errors for preload extern crate)
 - rust-lang#121976 (Add an option to have an external download/bootstrap cache)
 - rust-lang#122022 (loongarch: add frecipe and relax target feature)
 - rust-lang#122026 (Do not try to format removed files)
 - rust-lang#122027 (Uplift some feeding out of `associated_type_for_impl_trait_in_impl` and into queries)
 - rust-lang#122063 (Make the lowering of `thir::ExprKind::If` easier to follow)
 - rust-lang#122074 (Add missing PartialOrd trait implementation doc for array)
 - rust-lang#122082 (remove outdated fixme comment)
 - rust-lang#122091 (Note why we're using a new thread in `test_get_os_named_thread`)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Mar 7, 2024
@bors
Auto merge of rust-lang#122113 - matthiaskrgr:rollup-5d1jnwi, r=matth…
aa029ce 
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#121958 (Fix redundant import errors for preload extern crate)
 - rust-lang#121976 (Add an option to have an external download/bootstrap cache)
 - rust-lang#122022 (loongarch: add frecipe and relax target feature)
 - rust-lang#122026 (Do not try to format removed files)
 - rust-lang#122027 (Uplift some feeding out of `associated_type_for_impl_trait_in_impl` and into queries)
 - rust-lang#122063 (Make the lowering of `thir::ExprKind::If` easier to follow)
 - rust-lang#122074 (Add missing PartialOrd trait implementation doc for array)
 - rust-lang#122082 (remove outdated fixme comment)
 - rust-lang#122091 (Note why we're using a new thread in `test_get_os_named_thread`)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 37782da into rust-lang:master Mar 7, 2024
11 checks passed
@rustbot rustbot added this to the 1.78.0 milestone Mar 7, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Mar 7, 2024
@rust-timer
Unrolled build for rust-lang#122063
d4e343c 
Rollup merge of rust-lang#122063 - Zalathar:lower-if, r=oli-obk

Make the lowering of `thir::ExprKind::If` easier to follow

This targets a few code patterns that I found very confusing when I first tried to understand what this code is doing.

No functional changes. I recommend looking at the changes individually, with whitespace hidden.
@Zalathar Zalathar deleted the lower-if branch March 7, 2024 05:47
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