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64fcbd9412
Start visiting LazyInitializerExpr for profiling, such that we emit a profile counter when initializing the initial value for the first time. rdar://43393937
42 lines
1.7 KiB
Swift
42 lines
1.7 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-build-swift %s -profile-generate -Xfrontend -disable-incremental-llvm-codegen -module-name pgo_lazy -o %t/main
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// This unusual use of 'sh' allows the path of the profraw file to be
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// substituted by %target-run.
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// RUN: %target-codesign %t/main
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// RUN: %target-run sh -c 'env LLVM_PROFILE_FILE=$1 $2' -- %t/default.profraw %t/main
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// RUN: %llvm-profdata merge %t/default.profraw -o %t/default.profdata
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// RUN: %target-swift-frontend %s -Xllvm -sil-full-demangle -profile-use=%t/default.profdata -emit-sorted-sil -emit-sil -module-name pgo_lazy -o - | %FileCheck %s --check-prefix=SIL
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// RUN: %target-swift-frontend %s -Xllvm -sil-full-demangle -profile-use=%t/default.profdata -O -emit-sorted-sil -emit-sil -module-name pgo_lazy -o - | %FileCheck %s --check-prefix=SIL
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// RUN: %target-swift-frontend %s -Xllvm -sil-full-demangle -profile-use=%t/default.profdata -emit-ir -module-name pgo_lazy -o - | %FileCheck %s --check-prefix=IR
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// RUN: %target-swift-frontend %s -Xllvm -sil-full-demangle -profile-use=%t/default.profdata -O -emit-ir -module-name pgo_lazy -o - | %FileCheck %s --check-prefix=IR
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// REQUIRES: profile_runtime
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// REQUIRES: executable_test
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// REQUIRES: OS=macosx
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var cond = true
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public struct S {
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// SIL-LABEL: sil [lazy_getter] [noinline] @$s8pgo_lazy1SV1xSivg : $@convention(method) (@inout S) -> Int !function_entry_count(35)
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// SIL: cond_br {{.*}} !true_count(5) !false_count(30)
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public lazy var x = cond ? 2 : 3
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}
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func triggerLazy() -> Int {
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var s = S()
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return s.x
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}
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public var total = 0
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for _ in 0 ..< 5 {
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total += triggerLazy()
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}
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cond = false
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for _ in 0 ..< 30 {
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total += triggerLazy()
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}
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// IR: !{!"branch_weights", i32 6, i32 31}
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