gh-131798: JIT: Narrow the return type of _CONTAINS_OP_SET to bool
#132057
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instruction after _CONTAINS_OP_SET by setting the return type to bool.
tomasr8
commented
Apr 3, 2025
Comment on lines
+1616
to
+1622
| x = 0 | ||
| s = {1, 2, 3} | ||
| for _ in range(n): | ||
| a = 2 | ||
| in_set = a in s | ||
| if in_set: | ||
| x += 1 |
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We might be able to simplify this further, I wasn't sure how much the peepholer would optimize out if I used e.g. 2 in s directly.
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2 in s would have been fine, but this works well too!
Fidget-Spinner
approved these changes
Apr 4, 2025
brandtbucher
approved these changes
Apr 5, 2025
seehwan
pushed a commit
to seehwan/cpython
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this pull request
Apr 16, 2025
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For context: #130415 (comment)
I did run
make regen-casesand made sure that the test failed before making the change inoptimizer_bytecodes.c:)