[5.3] Apple Silicon support#32706

Merged

shahmishal merged 34 commits intorelease/5.3from

apple-silicon-5.3

Jul 5, 2020

Commits on Jul 3, 2020

[Apple Silicon] Add arm64 macOS support to benchmark suite
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[Apple Silicon][Test] Enable testing for arm64 macOS
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[Apple Silicon] Mark several tests that require the Swift interpreter accordingly
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[Apple Silicon] Generalize tests for other macOS architectures
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[Apple Silicon] Mark macOS tests that require x86_64
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[Apple Silicon] [Build] Generalize macOS architecture check
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[Apple Silicon] [ObjectiveC Overlay] ObjCBool is C _Bool on arm64 macOS.
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[Apple Silicon] Baseline arm64 macOS at Swift 5.3 / macOS 10.16
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[Apple Silicon] [Test] Fix various IRGen tests for arm64 macOS
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[Apple Silicon] [Test] Generalize api-digester tests for Apple Silicon macOS.
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[Apple Silicon] Support building for macOS arm64/arm64e
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[Apple Silicon] [build-script] Support stdlib macOS arm64/arm64e
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[Apple Silicon] Use SWIFT_CROSS_COMPILING to use build-time tools (tblgen) from the native build
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[Apple Silicon] Don't set native llvm tools path when cross compiling swift
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[Apple Silicon] [build-script] Build compiler-rt even when cross-compiling
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[Apple Silicon] [build-script] Fix cross-compile check.
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[Apple Silicon] Build system configuration to support arm64 macOS
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[Apple Silicon] [build-script] Fix lipo step invocation with --no-legacy-impl.
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[Apple Silicon] Fix cross-compilation in Xcode trains where we're not building stdlib at all
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[Apple Silicon] [Platform] Default arm64 macOS and arm64 simulators to "vortex" CPU.
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[Apple Silicon] [IRGen] Fix test for arm64 macOS
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[Apple Silicon] [macCatalyst] Baseline arm64(e) macCatalyst at Swift 5.3/iOS 14.0.
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[Apple Silicon] Adjust linking deployment target from 11.0 down to 10.16 on x86.
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[Apple Silicon] [In-process memory reader] Adjust low-bits computation for arm64 macOS
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[Apple Silicon] [Build] Filter out any architectures that are unsupported by the SDKs
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[Apple Silicon] [Test] Fix a few tests for SDK differences
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[Apple Silicon] [Test] Remove explicitly-specified target.
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[Apple Silicon] Simulator support for arm64
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[Apple Silicon] [Platform] Baseline arm64 simulators at iOS/tvOS 14.0 and watchOS 7.0.
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[Apple Silicon] Use a correct isa mask on Apple Silicon without signed isas
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[Apple Silicon] Fix the availability for Swift 5.3 version
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[Apple Silicon] Add support for triple and availability canonicalization
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[Apple Silicon] Update tests for no macOS target triple canonicalization
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[Apple Silicon] Remove tvOS/watchOS simulator from Driver/linker test
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