35768392616
95%

Ran 22 Sep 2026 06:43PM UTC

Jobs 1

Files 283

Run time 1min

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Committed 22 Sep 2026 06:37PM UTC coverage: 94.583% (-0.05%) from 94.633%

Build # 35768392616

Build Type

push

github

Committed by

web-flow

Commit Message

opt: strength-reduce simple induction variables (#380)

After LICM, rewrite a multiply of a simple induction variable by a
loop-invariant factor into a pinned running total. A constant-stride
address of an 8-byte induction variable becomes a pointer that steps
by the stride. Narrow indexes stay in the loop. A same-value pointer
add updates the register that already holds the pointer.

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

Coverage Stats

17495 of 18497 relevant lines covered (94.58%)

147784.3 hits per line

Coverage Regressions

Lines	Coverage	∆	File
24	94.5	0.08%	home/runner/work/trans/trans/src/codegen/IrPasses.cpp
7	93.62	-0.29%	home/runner/work/trans/trans/src/codegen/Licm.cpp
6	97.13	0.11%	home/runner/work/trans/trans/src/codegen/InstructionPrint.cpp
4	95.57	0.27%	home/runner/work/trans/trans/src/codegen/Loops.cpp
2	98.65	0.03%	home/runner/work/trans/trans/src/codegen/StackMachine_Emit.cpp
1	98.92	0.02%	home/runner/work/trans/trans/src/codegen/Instruction.cpp
1	99.19	0.05%	home/runner/work/trans/trans/src/codegen/StackMachine_Addressing.cpp
1	98.78	0.0%	home/runner/work/trans/trans/src/codegen/SymbolRefs.cpp

Jobs

ID	Job ID	Ran	Files	Coverage
1	35768392616.1	22 Sep 2026 06:43PM UTC	283	94.58	GitHub Action Run

rieske / trans / 35768392616
95%

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rieske / trans / 35768392616 95%

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