improvement: add comments for emit functions and llvm builder

[xieyuschen]

No description provided.

[github-actions]

Benchmark for 0d2f78a

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	34.3±14.87ns	35.0±11.02ns	+2.04%
allocation bench/singlethread gc alloc benchmark small objects	11.2±2.56ns	11.0±0.28ns	-1.79%
multithreads(4) gc benchmark--65535 small objects(per thread)	1476.5±68.84µs	1482.3±205.07µs	+0.39%
plimmixgc/multi-thread gc stress benchmark small objects	850.0±62.26ms	870.3±20.40ms	+2.39%
plimmixgc/singlethread gc stress benchmark small objects	520.2±8.24ms	549.2±105.86ms	+5.57%
singlethread gc benchmark--65535 small objects	742.7±7.95µs	741.3±6.28µs	-0.19%

[github-actions]

Benchmark for f8b640f

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	33.8±10.69ns	41.0±66.11ns	+21.30%
allocation bench/singlethread gc alloc benchmark small objects	11.0±0.24ns	11.2±0.29ns	+1.82%
multithreads(4) gc benchmark--65535 small objects(per thread)	1546.8±99.15µs	1621.8±168.91µs	+4.85%
plimmixgc/multi-thread gc stress benchmark small objects	855.9±8.03ms	876.8±64.65ms	+2.44%
plimmixgc/singlethread gc stress benchmark small objects	527.5±15.33ms	514.1±9.15ms	-2.54%
singlethread gc benchmark--65535 small objects	745.0±8.48µs	766.4±12.51µs	+2.87%

[github-actions]

Benchmark for af82e6f

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	36.5±24.94ns	36.4±21.73ns	-0.27%
allocation bench/singlethread gc alloc benchmark small objects	11.0±0.22ns	11.4±0.21ns	+3.64%
multithreads(4) gc benchmark--65535 small objects(per thread)	1478.1±100.23µs	1532.9±304.90µs	+3.71%
plimmixgc/multi-thread gc stress benchmark small objects	859.2±5.70ms	858.9±4.98ms	-0.03%
plimmixgc/singlethread gc stress benchmark small objects	516.2±8.96ms	551.7±112.11ms	+6.88%
singlethread gc benchmark--65535 small objects	760.6±42.90µs	755.4±9.19µs	-0.68%

[github-actions]

Benchmark for 6282309

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	33.9±9.97ns	34.9±10.47ns	+2.95%
allocation bench/singlethread gc alloc benchmark small objects	11.0±0.29ns	11.0±0.27ns	0.00%
multithreads(4) gc benchmark--65535 small objects(per thread)	1678.7±153.76µs	1866.2±457.81µs	+11.17%
plimmixgc/multi-thread gc stress benchmark small objects	884.2±16.49ms	912.5±74.95ms	+3.20%
plimmixgc/singlethread gc stress benchmark small objects	537.9±12.69ms	540.7±10.65ms	+0.52%
singlethread gc benchmark--65535 small objects	751.0±11.04µs	754.1±14.88µs	+0.41%

[github-actions]

Benchmark for d57332f

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	34.0±11.40ns	34.6±10.45ns	+1.76%
allocation bench/singlethread gc alloc benchmark small objects	11.3±1.90ns	11.2±1.08ns	-0.88%
multithreads(4) gc benchmark--65535 small objects(per thread)	1639.0±94.73µs	1630.3±401.18µs	-0.53%
plimmixgc/multi-thread gc stress benchmark small objects	857.1±6.69ms	849.9±7.96ms	-0.84%
plimmixgc/singlethread gc stress benchmark small objects	545.9±106.28ms	516.3±8.22ms	-5.42%
singlethread gc benchmark--65535 small objects	758.7±12.21µs	752.7±14.77µs	-0.79%

[codecov]

Codecov Report

Attention: 13 lines in your changes are missing coverage. Please review.

Comparison is base (ed16221) 86.52% compared to head (b60dbd5) 86.52%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #376   +/-   ##
=======================================
  Coverage   86.52%   86.52%           
=======================================
  Files         110      110           
  Lines       25904    25941   +37     
=======================================
+ Hits        22413    22446   +33     
- Misses       3491     3495    +4     

Files	Coverage Δ
src/ast/builder/mod.rs	33.33% <ø> (ø)
src/ast/ctx/completion.rs	86.79% <100.00%> (+0.31%)	⬆️
src/ast/ctx/lsp.rs	97.77% <ø> (ø)
src/ast/macros.rs	92.59% <ø> (ø)
src/ast/node/cast.rs	96.12% <100.00%> (ø)
src/ast/node/error.rs	58.82% <100.00%> (ø)
src/ast/node/function.rs	89.34% <100.00%> (ø)
src/ast/node/function/generator.rs	98.72% <ø> (ø)
src/ast/node/interface.rs	84.15% <100.00%> (ø)
src/ast/node/node_result.rs	86.29% <100.00%> (ø)
... and 13 more

[github-actions]

Benchmark for 57d200f

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	34.0±11.52ns	33.5±9.08ns	-1.47%
allocation bench/singlethread gc alloc benchmark small objects	20.7±2.55ns	11.1±0.51ns	-46.38%
multithreads(4) gc benchmark--65535 small objects(per thread)	1564.2±103.26µs	1751.1±428.08µs	+11.95%
plimmixgc/multi-thread gc stress benchmark small objects	851.5±4.41ms	860.5±27.36ms	+1.06%
plimmixgc/singlethread gc stress benchmark small objects	520.2±19.43ms	517.3±7.82ms	-0.56%
singlethread gc benchmark--65535 small objects	749.3±9.60µs	749.7±17.11µs	+0.05%

[github-actions]

Benchmark for cfa7ee4

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	34.6±16.60ns	34.5±14.03ns	-0.29%
allocation bench/singlethread gc alloc benchmark small objects	11.1±1.16ns	11.2±1.84ns	+0.90%
multithreads(4) gc benchmark--65535 small objects(per thread)	1606.2±64.27µs	1695.9±444.23µs	+5.58%
plimmixgc/multi-thread gc stress benchmark small objects	879.3±71.16ms	817.2±2.22ms	-7.06%
plimmixgc/singlethread gc stress benchmark small objects	517.3±8.62ms	517.5±8.02ms	+0.04%
singlethread gc benchmark--65535 small objects	774.2±34.17µs	746.8±10.79µs	-3.54%

[github-actions]

Benchmark for 22b6cf1

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	35.0±15.09ns	34.5±11.07ns	-1.43%
allocation bench/singlethread gc alloc benchmark small objects	11.1±1.50ns	11.1±0.88ns	0.00%
multithreads(4) gc benchmark--65535 small objects(per thread)	1536.3±97.75µs	1599.3±221.26µs	+4.10%
plimmixgc/multi-thread gc stress benchmark small objects	854.9±6.18ms	831.4±5.17ms	-2.75%
plimmixgc/singlethread gc stress benchmark small objects	518.5±7.99ms	519.0±8.53ms	+0.10%
singlethread gc benchmark--65535 small objects	735.5±11.04µs	748.8±30.55µs	+1.81%

[github-actions]

Benchmark for 710fec5

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	33.7±10.69ns	34.9±13.25ns	+3.56%
allocation bench/singlethread gc alloc benchmark small objects	11.0±0.98ns	11.1±0.97ns	+0.91%
multithreads(4) gc benchmark--65535 small objects(per thread)	1403.8±40.56µs	1681.1±327.14µs	+19.75%
plimmixgc/multi-thread gc stress benchmark small objects	868.0±51.58ms	865.7±34.67ms	-0.26%
plimmixgc/singlethread gc stress benchmark small objects	517.8±8.57ms	515.0±9.56ms	-0.54%
singlethread gc benchmark--65535 small objects	751.4±4.25µs	755.1±9.51µs	+0.49%

[github-actions]

Benchmark for 5e0cbea

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Test	Base	PR	%
allocation bench/malloc benchmark small objects	32.7±8.32ns	34.7±10.63ns	+6.12%
allocation bench/singlethread gc alloc benchmark small objects	11.2±1.54ns	11.2±1.52ns	0.00%
multithreads(4) gc benchmark--65535 small objects(per thread)	1626.3±50.83µs	1705.6±183.25µs	+4.88%
plimmixgc/multi-thread gc stress benchmark small objects	850.2±8.05ms	817.1±5.91ms	-3.89%
plimmixgc/singlethread gc stress benchmark small objects	514.9±7.50ms	518.7±7.99ms	+0.74%
singlethread gc benchmark--65535 small objects	757.5±12.80µs	760.3±23.46µs	+0.37%

[Chronostasys]

LGTM!