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3d33f11e6c
In cmake, rename LIBSWIFT_BUILD_MODE to BOOTSTRAPPING_MODE. Also, rename the lit feature "libswift" to "swift_in_compiler".
49 lines
1.4 KiB
Swift
49 lines
1.4 KiB
Swift
// RUN: %target-swift-frontend -primary-file %s -O -sil-verify-all -Xllvm -sil-disable-pass=function-signature-opts -module-name=test -O -target %target-cpu-apple-macos10.15 -emit-sil | %FileCheck %s
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// RUN: %empty-directory(%t)
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// RUN: %target-build-swift -O -Xllvm -sil-disable-pass=function-signature-opts -module-name=test %s -o %t/a.out
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// RUN: %target-run %t/a.out | %FileCheck %s -check-prefix=CHECK-OUTPUT
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// REQUIRES: OS=macosx
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// REQUIRES: executable_test,swift_stdlib_no_asserts,optimized_stdlib
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// REQUIRES: swift_in_compiler
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// Check that the optimizer can remove "unbalanced" retains for immortal objects.
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// But only with a Swift 5.1 runtime (which supports immortal objects).
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// CHECK-LABEL: sil hidden [noinline] @$s4test10emptyArraySaySiGyF
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// CHECK: global_addr
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// CHECK-NOT: retain
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// CHECK: } // end sil function '$s4test10emptyArraySaySiGyF'
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@inline(never)
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func emptyArray() -> [Int] {
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let x = [Int]()
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return x
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}
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// CHECK-LABEL: sil hidden [noinline] @$s4test13constantArraySaySiGyF
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// CHECK: global_value
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// CHECK-NOT: retain
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// CHECK: } // end sil function '$s4test13constantArraySaySiGyF'
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@inline(never)
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func constantArray() -> [Int] {
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return [1, 2, 3]
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}
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func testit() {
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// CHECK-OUTPUT: []
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// CHECK-OUTPUT: [1, 2, 3]
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// CHECK-OUTPUT: []
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// CHECK-OUTPUT: [1, 2, 3]
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// CHECK-OUTPUT: []
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// CHECK-OUTPUT: [1, 2, 3]
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for _ in 0..<3 {
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print(emptyArray())
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print(constantArray())
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}
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}
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testit()
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