35729035351

Committed 22 Sep 2026 12:44PM UTC coverage: 94.651% (+0.001%) from 94.65%

Build # 35729035351

Build Type

push

github

Committed by

web-flow

Commit Message

fix: home the sret pointer before the function body (#378)

The hidden return pointer arrives in rdi and is not an IR value, so a
control-flow edge drops it without writing its home. The epilogue then
stores the struct through that slot. Straight-line returns kept rdi
live, so the existing sret tests passed. An untaken branch crashes at
-O0 and at -O1 when the callee is not inlined.

Write rdi into the sret slot in the prologue, before the body.

make(0) on a 24-byte struct prints 7 8 9.

Coverage Stats

17288 of 18265 relevant lines covered (94.65%)

147303.68 hits per line

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95.24

/home/runner/work/trans/trans/src/codegen/StackMachine.cpp

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The file "home/runner/work/trans/trans/src/codegen/StackMachine.cpp" isn't available on github. Either it's been removed, or the repo root directory needs to be updated.

rieske / trans / 35729035351

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