ARM: mark swiftself register (r10) as caller saved for swifttailcc #2750
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The tail call mechanism used for most calls means that if it's callee-saved the argument we're intending to pass will be clobbered. rdar://75812090
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@swift-ci please test |
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The linux failure should be fixed by #2749 |
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@swift-ci please test linux |
aschwaighofer
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Mar 25, 2021
…/main ARM: mark swiftself register (r10) as caller saved for swifttailcc (cherry picked from commit b52ea9d)
hyp
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Mar 26, 2021
…-csr Cherry-pick #2750 from apple/stable/20210107 to swift/main
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The tail call mechanism used for most calls means that if it's callee-saved the
argument we're intending to pass will be clobbered.
rdar://75812090