Revert "Rollup merge of #149147 - chenyukang:yukang-fix-unused_assignments-macro-gen-147648, r=JonathanBrouwer"

[Kobzol]

This reverts commit 82a17b3, reversing
changes made to 5019bda.

Reverts #149147 due to a perf regression.

[rustbot]

Some changes occurred to MIR optimizations

cc @rust-lang/wg-mir-opt

[rustbot]

r? @chenyukang

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[rustbot]

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  • 7438715

[Kobzol]

@bors try @rust-timer queue

[JonathanBrouwer]

See the speculation here about the cause of the perf regression: #t-compiler/backports > #149147: beta-nominated @ 💬

[rust-bors]

☀️ Try build successful (CI)
Build commit: 9177f5d (9177f5d3c07dcb13c83a8b8fe4a0952683609291, parent: 29e035e1728488dce5a03daa527ab1091d1cda47)

[rust-timer]

Finished benchmarking commit (9177f5d): comparison URL.

Overall result: ✅ improvements - no action needed

Benchmarking this pull request means it may be perf-sensitive – we'll automatically label it not fit for rolling up. You can override this, but we strongly advise not to, due to possible changes in compiler perf.

@bors rollup=never
@rustbot label: -S-waiting-on-perf -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-6.4%	[-20.0%, -0.1%]	10
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (secondary -11.0%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-11.0%	[-16.1%, -2.7%]	5
All ❌✅ (primary)	-	-	0

Cycles

Results (secondary -15.8%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-15.8%	[-29.6%, -3.0%]	5
All ❌✅ (primary)	-	-	0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 470.646s -> 470.526s (-0.03%)
Artifact size: 386.77 MiB -> 386.76 MiB (-0.00%)

[Kobzol]

r? jonathanbrouwer

[rustbot]

jonathanbrouwer is currently at their maximum review capacity.
They may take a while to respond.

[chenyukang]

@bors r=chenyukang

[bors]

📌 Commit 7438715 has been approved by chenyukang

It is now in the queue for this repository.