| // REQUIRES: x86-registered-target |
| // |
| // 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 |
| // RUN: llvm-profdata merge -output %T.profdata %S/Inputs/profile-remap.proftext |
| // 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 |
| |
| namespace Foo { |
| struct X {}; |
| bool cond(); |
| void bar(); |
| void baz(); |
| void function(X x) { |
| if (cond()) |
| bar(); |
| else |
| baz(); |
| } |
| } |
| |
| // CHECK: define {{.*}} @_ZN3Foo8functionENS_1XE() {{.*}} !prof [[FUNC_ENTRY:![0-9]*]] |
| // CHECK: br i1 {{.*}} !prof [[BR_WEIGHTS:![0-9]*]] |
| // |
| // FIXME: Laplace's rule of succession is applied to sample profiles... |
| // CHECK-SAMPLES-DAG: [[FUNC_ENTRY]] = !{!"function_entry_count", i64 1} |
| // CHECK-SAMPLES-DAG: [[BR_WEIGHTS]] = !{!"branch_weights", i32 11, i32 91} |
| // |
| // ... but not to instruction profiles. |
| // CHECK-INSTR-DAG: [[FUNC_ENTRY]] = !{!"function_entry_count", i64 100} |
| // CHECK-INSTR-DAG: [[BR_WEIGHTS]] = !{!"branch_weights", i32 10, i32 90} |
