1 // REQUIRES: x86-registered-target 2 // 3 // RUN: %clang_cc1 -triple x86_64-linux-gnu -fprofile-sample-use=%S/Inputs/profile-remap.samples -fprofile-remapping-file=%S/Inputs/profile-remap.map -fexperimental-new-pass-manager -O2 %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SAMPLES 4 // RUN: llvm-profdata merge -output %T.profdata %S/Inputs/profile-remap.proftext 5 // RUN: %clang_cc1 -triple x86_64-linux-gnu -fprofile-instrument-use-path=%T.profdata -fprofile-remapping-file=%S/Inputs/profile-remap.map -fexperimental-new-pass-manager -O2 %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-INSTR 6 7 namespace Foo { 8 struct X {}; 9 bool cond(); 10 void bar(); 11 void baz(); 12 void function(X x) { 13 if (cond()) 14 bar(); 15 else 16 baz(); 17 } 18 } 19 20 // CHECK: define {{.*}} @_ZN3Foo8functionENS_1XE() {{.*}} !prof [[FUNC_ENTRY:![0-9]*]] 21 // CHECK: br i1 {{.*}} !prof [[BR_WEIGHTS:![0-9]*]] 22 // 23 // FIXME: Laplace's rule of succession is applied to sample profiles... 24 // CHECK-SAMPLES-DAG: [[FUNC_ENTRY]] = !{!"function_entry_count", i64 1} 25 // CHECK-SAMPLES-DAG: [[BR_WEIGHTS]] = !{!"branch_weights", i32 11, i32 91} 26 // 27 // ... but not to instruction profiles. 28 // CHECK-INSTR-DAG: [[FUNC_ENTRY]] = !{!"function_entry_count", i64 100} 29 // CHECK-INSTR-DAG: [[BR_WEIGHTS]] = !{!"branch_weights", i32 10, i32 90} 30