#37914
77%

Ran 25 Sep 2024 10:33AM UTC

Jobs 1

Files 361

Run time 1min

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Committed 24 Sep 2024 10:11PM UTC coverage: 87.723% (-0.006%) from 87.729%

Build # #37914

Build Type

push

local

Committed by

web-flow

Commit Message

codegen: split gc roots from other bits on stack (#55767)

In order to help avoid memory provenance issues, and better utilize
stack space (somewhat), and use FCA less, change the preferred
representation of an immutable object to be a pair of
`<packed-data,roots>` values. This packing requires some care at the
boundaries and if the expected field alignment exceeds that of a
pointer. The change is expected to eventually make codegen more flexible
at representing unions of values with both bits and pointer regions.

Eventually we can also have someone improve the late-gc-lowering pass to
take advantage of this increased information accuracy, but currently it
will not be any better than before at laying out the frame.

Run Details

78587 of 89585 relevant lines covered (87.72%)

16951776.93 hits per line

Uncovered Existing Lines

Lines	Coverage	∆	File
1	96.01	-0.14%	base/sort.jl
1	89.74	-0.05%	base/compiler/tfuncs.jl
3	78.26	-13.04%	base/locks-mt.jl
3	90.98	-0.5%	stdlib/LinearAlgebra/src/matmul.jl
8	86.49	0.12%	stdlib/Mmap/src/Mmap.jl
16	61.57	-3.31%	base/path.jl
26	89.59	0.0%	base/strings/annotated.jl

Jobs

ID	Job ID	Ran	Files	Coverage
1	#37914.1	25 Sep 2024 10:33AM UTC	361	87.72

JuliaLang / julia / #37914
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