1;; Check that runtime symbols get appropriate linkage.
2
3; RUN: opt < %s -mtriple=x86_64-apple-macosx10.10.0 -instrprof -S | FileCheck %s --check-prefixes=COMMON,MACHO
4; RUN: opt < %s -mtriple=x86_64-unknown-linux -instrprof -S | FileCheck %s --check-prefixes=COMMON,LINUX
5; RUN: opt < %s  -mtriple=x86_64-pc-win32-coff -instrprof -S | FileCheck %s --check-prefixes=COMMON,COFF
6; RUN: opt < %s -mtriple=x86_64-apple-macosx10.10.0 -passes=instrprof -S | FileCheck %s --check-prefixes=COMMON,MACHO
7; RUN: opt < %s -mtriple=x86_64-unknown-linux -passes=instrprof -S | FileCheck %s --check-prefixes=COMMON,LINUX
8; RUN: opt < %s  -mtriple=x86_64-pc-win32-coff -passes=instrprof -S | FileCheck %s --check-prefixes=COMMON,COFF
9
10; MACHO: @__llvm_profile_runtime = external global i32
11; LINUX-NOT: @__llvm_profile_runtime = external global i32
12
13@__profn_foo = hidden constant [3 x i8] c"foo"
14@__profn_foo_weak = weak hidden constant [8 x i8] c"foo_weak"
15@"__profn_linkage.ll:foo_internal" = internal constant [23 x i8] c"linkage.ll:foo_internal"
16@__profn_foo_inline = linkonce_odr hidden constant [10 x i8] c"foo_inline"
17@__profn_foo_extern = linkonce_odr hidden constant [10 x i8] c"foo_extern"
18
19; COMMON: @__profc_foo = hidden global
20; COMMON: @__profd_foo = hidden global
21define void @foo() {
22  call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), i64 0, i32 1, i32 0)
23  ret void
24}
25
26; COMMON: @__profc_foo_weak = weak hidden global
27; COMMON: @__profd_foo_weak = weak hidden global
28define weak void @foo_weak() {
29  call void @llvm.instrprof.increment(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @__profn_foo_weak, i32 0, i32 0), i64 0, i32 1, i32 0)
30  ret void
31}
32
33; COMMON: @"__profc_linkage.ll:foo_internal" = internal global
34; COMMON: @"__profd_linkage.ll:foo_internal" = internal global
35define internal void @foo_internal() {
36  call void @llvm.instrprof.increment(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @"__profn_linkage.ll:foo_internal", i32 0, i32 0), i64 0, i32 1, i32 0)
37  ret void
38}
39
40; COMMON: @__profc_foo_inline = linkonce_odr hidden global
41; COFF-SAME: section ".lprfc", align 8
42; COMMON: @__profd_foo_inline = linkonce_odr hidden global
43; COFF-SAME: section ".lprfd", align 8
44define linkonce_odr void @foo_inline() {
45  call void @llvm.instrprof.increment(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @__profn_foo_inline, i32 0, i32 0), i64 0, i32 1, i32 0)
46  ret void
47}
48
49; LINUX: @__profc_foo_extern = linkonce_odr hidden global {{.*}}section "__llvm_prf_cnts", comdat($__profv_foo_extern), align 8
50; LINUX: @__profd_foo_extern = linkonce_odr hidden global {{.*}}section "__llvm_prf_data", comdat($__profv_foo_extern), align 8
51; MACHO: @__profc_foo_extern = linkonce_odr hidden global
52; MACHO: @__profd_foo_extern = linkonce_odr hidden global
53; COFF: @__profc_foo_extern = linkonce_odr hidden global {{.*}}section ".lprfc", comdat, align 8
54; COFF: @__profd_foo_extern = linkonce_odr hidden global {{.*}}section ".lprfd", comdat($__profc_foo_extern), align 8
55define available_externally void @foo_extern() {
56  call void @llvm.instrprof.increment(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @__profn_foo_extern, i32 0, i32 0), i64 0, i32 1, i32 0)
57  ret void
58}
59
60declare void @llvm.instrprof.increment(i8*, i64, i32, i32)
61
62; MACHO: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} {
63; MACHO:   %[[REG:.*]] = load i32, i32* @__llvm_profile_runtime
64; MACHO:   ret i32 %[[REG]]
65; MACHO: }
66; COFF: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} comdat {
67; LINUX-NOT: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} {
68; LINUX-NOT:   %[[REG:.*]] = load i32, i32* @__llvm_profile_runtime
69