1 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9.0 -emit-llvm -main-file-name cxx-linkage.cpp %s -o - -fprofile-instr-generate | FileCheck %s
2
3 // CHECK: @__llvm_profile_name__Z3foov = hidden constant [7 x i8] c"_Z3foov", section "__DATA,__llvm_prf_names", align 1
4 // CHECK: @__llvm_profile_name__Z8foo_weakv = weak hidden constant [12 x i8] c"_Z8foo_weakv", section "__DATA,__llvm_prf_names", align 1
5 // CHECK: @__llvm_profile_name_main = hidden constant [4 x i8] c"main", section "__DATA,__llvm_prf_names", align 1
6 // CHECK: @__llvm_profile_name__Z10foo_inlinev = linkonce_odr hidden constant [15 x i8] c"_Z10foo_inlinev", section "__DATA,__llvm_prf_names", align 1
7
8 // CHECK: @__llvm_profile_counters__Z3foov = hidden global [1 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8
9 // CHECK: @__llvm_profile_data__Z3foov = hidden constant { i32, i32, i64, i8*, i64* } { i32 7, i32 1, i64 {{[0-9]+}}, i8* getelementptr inbounds ([7 x i8]* @__llvm_profile_name__Z3foov, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64]* @__llvm_profile_counters__Z3foov, i32 0, i32 0) }, section "__DATA,__llvm_prf_data", align 8
foo(void)10 void foo(void) { }
11
12 // CHECK: @__llvm_profile_counters__Z8foo_weakv = weak hidden global [5 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8
13 // CHECK: @__llvm_profile_data__Z8foo_weakv = weak hidden constant { i32, i32, i64, i8*, i64* } { i32 12, i32 5, i64 {{[0-9]+}}, i8* getelementptr inbounds ([12 x i8]* @__llvm_profile_name__Z8foo_weakv, i32 0, i32 0), i64* getelementptr inbounds ([5 x i64]* @__llvm_profile_counters__Z8foo_weakv, i32 0, i32 0) }, section "__DATA,__llvm_prf_data", align 8
14 void foo_weak(void) __attribute__((weak));
foo_weak(void)15 void foo_weak(void) { if (0){} if (0){} if (0){} if (0){} }
16
17 // CHECK: @__llvm_profile_counters_main = hidden global [1 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8
18 // CHECK: @__llvm_profile_data_main = hidden constant { i32, i32, i64, i8*, i64* } { i32 4, i32 1, i64 {{[0-9]+}}, i8* getelementptr inbounds ([4 x i8]* @__llvm_profile_name_main, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64]* @__llvm_profile_counters_main, i32 0, i32 0) }, section "__DATA,__llvm_prf_data", align 8
19 inline void foo_inline(void);
main(void)20 int main(void) {
21 foo();
22 foo_inline();
23 foo_weak();
24 return 0;
25 }
26
27 // CHECK: @__llvm_profile_counters__Z10foo_inlinev = linkonce_odr hidden global [7 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8
28 // CHECK: @__llvm_profile_data__Z10foo_inlinev = linkonce_odr hidden constant { i32, i32, i64, i8*, i64* } { i32 15, i32 7, i64 {{[0-9]+}}, i8* getelementptr inbounds ([15 x i8]* @__llvm_profile_name__Z10foo_inlinev, i32 0, i32 0), i64* getelementptr inbounds ([7 x i64]* @__llvm_profile_counters__Z10foo_inlinev, i32 0, i32 0) }, section "__DATA,__llvm_prf_data", align 8
foo_inline(void)29 inline void foo_inline(void) { if (0){} if (0){} if (0){} if (0){} if (0){} if (0){}}
30
31 // CHECK: @__llvm_profile_runtime = external global i32
32 // CHECK: @llvm.used = appending global [5 x i8*] [i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_profile_data__Z3foov to i8*), i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_profile_data__Z8foo_weakv to i8*), i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_profile_data_main to i8*), i8* bitcast ({ i32, i32, i64, i8*, i64* }* @__llvm_profile_data__Z10foo_inlinev to i8*), i8* bitcast (i32 ()* @__llvm_profile_runtime_user to i8*)], section "llvm.metadata"
33
34 // CHECK: define linkonce_odr i32 @__llvm_profile_runtime_user() {{.*}} {
35 // CHECK: %[[REG:.*]] = load i32* @__llvm_profile_runtime
36 // CHECK: ret i32 %[[REG]]
37 // CHECK: }
38