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// RUN: %empty-directory(%t)
// RUN: %target-build-swift %s -profile-generate -Xfrontend -disable-incremental-llvm-codegen -module-name pgo_if -o %t/main
// RUN: %target-codesign %t/main
// RUN: env %env-LLVM_PROFILE_FILE=%t/default.profraw %target-run %t/main
// RUN: %llvm-profdata merge %t/default.profraw -o %t/default.profdata
// RUN: %target-swift-frontend %s -Xllvm -sil-full-demangle -profile-use=%t/default.profdata -emit-sorted-sil -emit-sil -module-name pgo_if -o - | %FileCheck %s --check-prefix=SIL
// RUN: %target-swift-frontend %s -Xllvm -sil-full-demangle -profile-use=%t/default.profdata -emit-ir -module-name pgo_if -o - | %FileCheck %s --check-prefix=IR
// RUN: %target-swift-frontend %s -Xllvm -sil-full-demangle -profile-use=%t/default.profdata -O -emit-sorted-sil -emit-sil -module-name pgo_if -o - | %FileCheck %s --check-prefix=SIL-OPT
// RUN: %target-swift-frontend %s -Xllvm -sil-full-demangle -profile-use=%t/default.profdata -O -emit-ir -module-name pgo_if -o - | %FileCheck %s --check-prefix=IR-OPT
// REQUIRES: profile_runtime
// REQUIRES: executable_test
// SIL-LABEL: // pgo_if.guess1
// SIL-LABEL: sil @$s6pgo_if6guess11xs5Int32VAE_tF : $@convention(thin) (Int32) -> Int32 !function_entry_count(5001) {
// IR-LABEL: define {{.*}} i32 @"$s6pgo_if6guess11xs5Int32VAE_tF"
// IR-OPT-LABEL: define {{.*}} i32 @"$s6pgo_if6guess11xs5Int32VAE_tF"
public func guess1(x: Int32) -> Int32 {
// SIL: cond_br {{.*}} !true_count(5000) !false_count(1)
// SIL-OPT: cond_br {{.*}} !true_count(5000) !false_count(1)
// IR: br {{.*}}, !prof ![[BWMD:[0-9]+]]
if (x == 10) {
return 20
} else {
return 30
}
}
// SIL-LABEL: // pgo_if.guess2
// SIL-LABEL: sil @$s6pgo_if6guess21xs5Int32VAE_tF : $@convention(thin) (Int32) -> Int32 !function_entry_count(5001) {
// IR-LABEL: define {{.*}} i32 @"$s6pgo_if6guess21xs5Int32VAE_tF"
// IR-OPT-LABEL: define {{.*}} i32 @"$s6pgo_if6guess21xs5Int32VAE_tF"
public func guess2(x: Int32) -> Int32 {
// SIL: cond_br {{.*}} !true_count(5000) !false_count(1)
// SIL-OPT: cond_br {{.*}} !true_count(5000) !false_count(1)
// IR: br {{.*}}, !prof ![[BWMD]]
return (x == 5) ? 10 : 15
}
func main() {
var guesses : Int32 = 0;
guesses += guess1(x: 0) + guess2(x: 0)
for _ in 1...5000 {
guesses += guess1(x: 10) + guess2(x: 5)
}
}
main()
// IR: !{!"branch_weights", i32 5001, i32 2}
// IR-OPT: !{!"branch_weights", i32 5001, i32 2}
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