| // RUN: rm -rf %t && mkdir %t |
| // RUN: %target-build-swift %s -profile-generate -Xfrontend -disable-incremental-llvm-codegen -module-name pgo_guard -o %t/main |
| // RUN: 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_guard -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_guard -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_guard -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_guard -o - | %FileCheck %s --check-prefix=IR-OPT |
| |
| // REQUIRES: profile_runtime |
| // REQUIRES: OS=macosx |
| |
| // SIL-LABEL: // pgo_guard.guess1 |
| // SIL-LABEL: sil @_T09pgo_guard6guess1s5Int32VAD1x_tF : $@convention(thin) (Int32) -> Int32 !function_entry_count(5002) { |
| // IR-LABEL: define swiftcc i32 @_T09pgo_guard6guess1s5Int32VAD1x_tF |
| // IR-OPT-LABEL: define swiftcc i32 @_T09pgo_guard6guess1s5Int32VAD1x_tF |
| |
| public func guess1(x: Int32) -> Int32 { |
| // SIL: cond_br {{.*}} !true_count(5000) !false_count(2) |
| // SIL-OPT: cond_br {{.*}} !true_count(5000) !false_count(2) |
| |
| // IR: br {{.*}}, !prof ![[BWMD:[0-9]+]] |
| guard (x == 10) else { |
| return 30 |
| } |
| return 20 |
| } |
| |
| |
| func main() { |
| var guesses : Int32 = 0; |
| |
| guesses += guess1(x: 0) |
| guesses += guess1(x: 42) |
| |
| for _ in 1...5000 { |
| guesses += guess1(x: 10) |
| } |
| } |
| |
| main() |
| |
| // IR: !{!"branch_weights", i32 5001, i32 3} |
| // IR-OPT: !{!"branch_weights", i32 5001, i32 3} |