AArch64: correct preserve_most and preserve_all on Windows (#166436)
#11751
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…166436) This fixes register information handling for the `preserve_most` and `preserve_all` calling conventions on Windows ARM64. The root issue was cascading `if` statements whose behavior depended on their order. This patch makes the minimal, tactical change needed for Swift’s two calling conventions, unblocking current work. A broader refactor to remove the ordering dependency is still desired and will follow in a subsequent PR. (cherry picked from commit 8cd2244)
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@swift-ci please test |
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@swift-ci please test Windows platform |
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This fixes register information handling for the
preserve_mostandpreserve_allcalling conventions on Windows ARM64.The root issue was cascading
ifstatements whose behavior depended on their order. This patch makes the minimal, tactical change needed for Swift’s two calling conventions, unblocking current work. A broader refactor to remove the ordering dependency is still desired and will follow in a subsequent PR.(cherry picked from commit 8cd2244)