35685902291
95%

Ran 22 Sep 2026 04:16AM UTC

Jobs 1

Files 286

Run time 1min

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Committed 22 Sep 2026 04:10AM UTC coverage: 94.655% (-0.02%) from 94.675%

Build # 35685902291

Build Type

push

github

Committed by

web-flow

Commit Message

opt: hoist loop-invariant expression temps (#374)

On-demand preheaders for natural loops, then LICM of pure expression
temps at -O1+ after fold. Hoisted dests are pinned so packFrameValues
does not reuse their slots across back-edges.

Compile-speed: skip the pass when the body has no backward jump, skip
CFG rebuild when nothing moved, cache pred/dom, bitset dominators,
def/use index for isHoistable.

Git CC=trans -O2 prove: 1056 files / 33706 tests.

Coverage Stats

17302 of 18279 relevant lines covered (94.66%)

146980.05 hits per line

Coverage Regressions

Lines	Coverage	∆	File
24	94.41	0.04%	home/runner/work/trans/trans/src/codegen/IrPasses.cpp
7	95.3	-1.67%	home/runner/work/trans/trans/src/codegen/Loops.cpp

Jobs

ID	Job ID	Ran	Files	Coverage
1	35685902291.1	22 Sep 2026 04:16AM UTC	286	94.66	GitHub Action Run

rieske / trans / 35685902291
95%

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