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b12015c343
This is a dedicated instruction for incrementing a profiler counter, which lowers to the `llvm.instrprof.increment` intrinsic. This replaces the builtin instruction that was previously used, and ensures that its arguments are statically known. This ensures that SIL optimization passes do not invalidate the instruction, fixing some code coverage cases in `-O`. rdar://39146527
17 lines
780 B
Swift
17 lines
780 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-module -profile-generate %S/Inputs/profiler_serialized.swift -module-name Foo -o %t/Foo.swiftmodule
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// RUN: %target-swift-frontend -emit-sil -profile-generate %t/Foo.swiftmodule | %FileCheck %s
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// RUN: %target-swift-frontend -emit-sil -profile-generate -module-name profiler_serialized %s -I %t | %FileCheck %s
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// RUN: %target-swift-frontend -emit-ir -profile-generate %s -I %t
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import Foo
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// CHECK-LABEL: sil shared @$s3Foo19functionToSerializeSiyF
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// CHECK: increment_profiler_counter 0, "$s3Foo19functionToSerializeSiyF", num_counters 2, hash 0
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// CHECK: increment_profiler_counter 1, "$s3Foo19functionToSerializeSiyF", num_counters 2, hash 0
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public func bar() -> Int {
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functionToSerialize()
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}
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