701456b523
The __isPlatformVersionAtLeast routine is an implementation of `if (@available)` check that uses the _availability_version_check API on Darwin that's supported on macOS 10.15, iOS 13, tvOS 13 and watchOS 6. Differential Revision: https://reviews.llvm.org/D90367
32 lines
963 B
Mathematica
32 lines
963 B
Mathematica
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.11 -emit-llvm -o - %s | FileCheck %s
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void use_at_available() {
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// CHECK: call i32 @__isPlatformVersionAtLeast(i32 1, i32 10, i32 12, i32 0)
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// CHECK-NEXT: icmp ne
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if (__builtin_available(macos 10.12, *))
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;
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// CHECK: call i32 @__isPlatformVersionAtLeast(i32 1, i32 10, i32 12, i32 0)
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// CHECK-NEXT: icmp ne
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if (@available(macos 10.12, *))
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;
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// CHECK: call i32 @__isPlatformVersionAtLeast(i32 1, i32 10, i32 12, i32 42)
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// CHECK-NEXT: icmp ne
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if (__builtin_available(ios 10, macos 10.12.42, *))
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;
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// CHECK-NOT: call i32 @__isPlatformVersionAtLeast
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// CHECK: br i1 true
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if (__builtin_available(ios 10, *))
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;
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// This check should be folded: our deployment target is 10.11.
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// CHECK-NOT: call i32 @__isPlatformVersionAtLeast
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// CHECK: br i1 true
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if (__builtin_available(macos 10.11, *))
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;
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}
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// CHECK: declare i32 @__isPlatformVersionAtLeast(i32, i32, i32, i32)
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