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c578c937c8
Replace the dynamic initialization of trivial globals with statically initialized globals, even in -Onone. This is required to be able to use global variables in performance-annotated functions. Also, it's a small performance improvement for -Onone.
33 lines
1.1 KiB
Swift
33 lines
1.1 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-module -parse-as-library -o %t %s
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// RUN: llvm-bcanalyzer %t/global_init.swiftmodule | %FileCheck %s -check-prefix=BCANALYZER
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// RUN: %target-sil-opt -enable-sil-verify-all %t/global_init.swiftmodule | %FileCheck %s
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// BCANALYZER-NOT: UnknownCode
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// Swift globals are not currently serialized. However, addressor
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// declarations are serialized when all these three flags are present:
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// -emit-module -parse-as-library -sil-serialize-all
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//
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// The only way to inspect the serialized module is sil-opt. The swift
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// driver will only output the SIL that it deserializes.
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func initFunc() -> Int { return 42 }
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@usableFromInline
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let MyConst = initFunc()
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@usableFromInline
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var MyVar = 3
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// CHECK: let MyConst: Int
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// CHECK: var MyVar: Int
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// CHECK-DAG: sil [global_init] [canonical] @$s11global_init7MyConstSivau : $@convention(thin) () -> Builtin.RawPointer
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// CHECK-DAG: sil [global_init] [canonical] @$s11global_init5MyVarSivau : $@convention(thin) () -> Builtin.RawPointer
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@inlinable
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@usableFromInline
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func getGlobals() -> Int {
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return MyVar + MyConst
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}
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