Files
swift-mirror/test/Profiler/coverage_optimized.swift
Hamish Knight 350e28b4b7 [Profiler] Rework profiling of top-level code
Instead of creating and destroying a SILProfiler
per TopLevelCodeDecl, setup a single profiler
for the top-level entry point function, and visit
all the TopLevelCodeDecls when mapping regions.
2022-10-14 17:45:14 +01:00

52 lines
1.7 KiB
Swift

// RUN: %target-swift-frontend -emit-irgen -profile-generate -profile-coverage-mapping -O -module-name coverage_optimized %s | %FileCheck %s -check-prefix IRGEN
// RUN: %target-swift-frontend -emit-ir -profile-generate -profile-coverage-mapping -O -module-name coverage_optimized %s | %FileCheck %s -check-prefix IR
// The functions 'unused' and 'optimizedOut' below will be optimized out, but
// make sure we still emit coverage records for them, using name data emitted
// separately in @__llvm_coverage_names.
// IRGEN: @__llvm_coverage_names {{.*}} @"__profn_{{.*}}$s18coverage_optimized6unusedyyF", {{.*}} @"__profn_{{.*}}$s18coverage_optimized0B3OutSiyF"
// IRGEN: @__covrec
// IRGEN: @__covrec
// IRGEN: @__covrec
// IRGEN: @__covrec
// IRGEN: @__covrec
// IRGEN: @__llvm_coverage_mapping
// IR: @__covrec
// IR: @__covrec
// IR: @__covrec
// IR: @__covrec
// IR: @__covrec
// We shouldn't have any lingering @__profn's, they should have been emitted as
// @__llvm_prf_nm.
// IR-NOT: __profn_
// IR-NOT: @__llvm_coverage_names
// IR: @__llvm_prf_nm
// IR-NOT: __profn_
// IR-NOT: @__llvm_coverage_names
// IR-NOT: define {{.*}} @"$s18coverage_optimized6unusedyyF"
// IR-NOT: define {{.*}} @"$s18coverage_optimized0B3OutSiyF"
func unused() {}
func optimizedOut() -> Int { .random() ? 1 : 2 }
func bar() -> Bool { false }
func baz() {
if bar() {
_ = optimizedOut()
}
}
baz()
// IRGEN-LABEL: define {{.*}} @main
// IRGEN: call void @llvm.instrprof.increment({{.*}} @"__profn_{{.*}}main
// IRGEN: call void @llvm.instrprof.increment({{.*}} @"__profn_{{.*}}$s18coverage_optimized3bazyyF"
// IRGEN: call void @llvm.instrprof.increment({{.*}} @"__profn_{{.*}}$s18coverage_optimized3barSbyF"