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 -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 -O2 %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-INSTR 6 // RUN: llvm-profdata merge -output %T.profdata %S/Inputs/profile-remap_entry.proftext 7 // RUN: %clang_cc1 -triple x86_64-linux-gnu -fprofile-instrument-use-path=%T.profdata -fprofile-remapping-file=%S/Inputs/profile-remap.map -O2 %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-INSTR 8 9 namespace Foo { 10 struct X {}; 11 bool cond(); 12 void bar(); 13 void baz(); function(X x)14 void function(X x) { 15 if (cond()) 16 bar(); 17 else 18 baz(); 19 } 20 } 21 22 // CHECK: define {{.*}} @_ZN3Foo8functionENS_1XE() {{.*}} !prof [[FUNC_ENTRY:![0-9]*]] 23 // CHECK: br i1 {{.*}} !prof [[BR_WEIGHTS:![0-9]*]] 24 // 25 // FIXME: Laplace's rule of succession is applied to sample profiles... 26 // CHECK-SAMPLES-DAG: [[FUNC_ENTRY]] = !{!"function_entry_count", i64 1} 27 // CHECK-SAMPLES-DAG: [[BR_WEIGHTS]] = !{!"branch_weights", i32 11, i32 91} 28 // 29 // ... but not to instruction profiles. 30 // CHECK-INSTR-DAG: [[FUNC_ENTRY]] = !{!"function_entry_count", i64 100} 31 // CHECK-INSTR-DAG: [[BR_WEIGHTS]] = !{!"branch_weights", i32 10, i32 90} 32