mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
55 lines
2.3 KiB
Swift
55 lines
2.3 KiB
Swift
// RUN: %empty-directory(%t)
|
|
// RUN: %target-build-swift %s -profile-generate -Xfrontend -disable-incremental-llvm-codegen -module-name pgo_repeatwhile -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_repeatwhile -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_repeatwhile -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_repeatwhile -o - | %FileCheck %s --check-prefix=SIL-OPT
|
|
// need to check Opt support
|
|
// %target-swift-frontend %s -Xllvm -sil-full-demangle -profile-use=%t/default.profdata -O -emit-ir -module-name pgo_repeatwhile -o - | %FileCheck %s --check-prefix=IR-OPT
|
|
|
|
// REQUIRES: profile_runtime
|
|
// REQUIRES: executable_test
|
|
|
|
// SIL-LABEL: // pgo_repeatwhile.guessWhile
|
|
// SIL-LABEL: sil @$s15pgo_repeatwhile10guessWhile1xs5Int32VAE_tF : $@convention(thin) (Int32) -> Int32 !function_entry_count(42) {
|
|
// IR-LABEL: define {{.*}} i32 @"$s15pgo_repeatwhile10guessWhile1xs5Int32VAE_tF"
|
|
// IR-OPT-LABEL: define {{.*}} i32 @"$s15pgo_repeatwhile10guessWhile1xs5Int32VAE_tF"
|
|
|
|
public func guessWhile(x: Int32) -> Int32 {
|
|
// SIL: cond_br {{.*}} !true_count(176400) !false_count(420)
|
|
// SIL: cond_br {{.*}} !true_count(420) !false_count(42)
|
|
// SIL-OPT: cond_br {{.*}} !true_count(176400) !false_count(420)
|
|
// SIL-OPT: cond_br {{.*}} !true_count(420) !false_count(42)
|
|
|
|
var ret : Int32 = 0
|
|
var currX : Int32 = 0
|
|
repeat {
|
|
var currInnerX : Int32 = x*42
|
|
repeat {
|
|
ret += currInnerX
|
|
currInnerX -= 1
|
|
} while (currInnerX > 0)
|
|
currX += 1
|
|
} while (currX < x)
|
|
return ret
|
|
}
|
|
|
|
func main() {
|
|
var guesses : Int32 = 0;
|
|
|
|
for _ in 1...42 {
|
|
guesses += guessWhile(x: 10)
|
|
}
|
|
}
|
|
|
|
main()
|
|
|
|
// IR: !{!"branch_weights", i32 176401, i32 421}
|
|
// IR: !{!"branch_weights", i32 421, i32 43}
|
|
// IR-OPT: !{!"branch_weights", i32 176401, i32 421}
|
|
// IR-OPT: !{!"branch_weights", i32 421, i32 43}
|