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=POSIX,MACHO 4; RUN: opt < %s -mtriple=x86_64-unknown-linux -instrprof -S | FileCheck %s --check-prefixes=POSIX,LINUX 5; RUN: opt < %s -mtriple=x86_64-unknown-fuchsia -instrprof -S | FileCheck %s --check-prefixes=POSIX,LINUX 6; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -instrprof -S | FileCheck %s --check-prefixes=COFF 7; RUN: opt < %s -mtriple=x86_64-apple-macosx10.10.0 -passes=instrprof -S | FileCheck %s --check-prefixes=POSIX,MACHO 8; RUN: opt < %s -mtriple=x86_64-unknown-linux -passes=instrprof -S | FileCheck %s --check-prefixes=POSIX,LINUX 9; RUN: opt < %s -mtriple=x86_64-unknown-fuchsia -passes=instrprof -S | FileCheck %s --check-prefixes=POSIX,LINUX 10; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -passes=instrprof -S | FileCheck %s --check-prefixes=COFF 11 12; MACHO: @__llvm_profile_runtime = external global i32 13; LINUX-NOT: @__llvm_profile_runtime = external global i32 14 15@__profn_foo = hidden constant [3 x i8] c"foo" 16@__profn_foo_weak = weak hidden constant [8 x i8] c"foo_weak" 17@"__profn_linkage.ll:foo_internal" = internal constant [23 x i8] c"linkage.ll:foo_internal" 18@__profn_foo_inline = linkonce_odr hidden constant [10 x i8] c"foo_inline" 19@__profn_foo_extern = linkonce_odr hidden constant [10 x i8] c"foo_extern" 20 21; POSIX: @__profc_foo = hidden global 22; POSIX: @__profd_foo = hidden global 23; COFF: @__profc_foo = internal global 24; COFF-NOT: comdat 25; COFF: @__profd_foo = internal global 26define void @foo() { 27 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) 28 ret void 29} 30 31; POSIX: @__profc_foo_weak = weak hidden global 32; POSIX: @__profd_foo_weak = weak hidden global 33; COFF: @__profc_foo_weak = internal global 34; COFF: @__profd_foo_weak = internal global 35define weak void @foo_weak() { 36 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) 37 ret void 38} 39 40; POSIX: @"__profc_linkage.ll:foo_internal" = internal global 41; POSIX: @"__profd_linkage.ll:foo_internal" = internal global 42; COFF: @"__profc_linkage.ll:foo_internal" = internal global 43; COFF: @"__profd_linkage.ll:foo_internal" = internal global 44define internal void @foo_internal() { 45 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) 46 ret void 47} 48 49; POSIX: @__profc_foo_inline = linkonce_odr hidden global 50; POSIX: @__profd_foo_inline = linkonce_odr hidden global 51; COFF: @__profc_foo_inline = internal global{{.*}} section ".lprfc$M", align 8 52; COFF: @__profd_foo_inline = internal global{{.*}} section ".lprfd$M", align 8 53define linkonce_odr void @foo_inline() { 54 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) 55 ret void 56} 57 58; LINUX: @__profc_foo_extern = linkonce_odr hidden global {{.*}}section "__llvm_prf_cnts", comdat($__profd_foo_extern), align 8 59; LINUX: @__profd_foo_extern = linkonce_odr hidden global {{.*}}section "__llvm_prf_data", comdat, align 8 60; MACHO: @__profc_foo_extern = linkonce_odr hidden global 61; MACHO: @__profd_foo_extern = linkonce_odr hidden global 62; COFF: @__profc_foo_extern = linkonce_odr hidden global {{.*}}section ".lprfc$M", comdat, align 8 63; COFF: @__profd_foo_extern = linkonce_odr hidden global {{.*}}section ".lprfd$M", comdat, align 8 64define available_externally void @foo_extern() { 65 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) 66 ret void 67} 68 69declare void @llvm.instrprof.increment(i8*, i64, i32, i32) 70 71; MACHO: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} { 72; MACHO: %[[REG:.*]] = load i32, i32* @__llvm_profile_runtime 73; MACHO: ret i32 %[[REG]] 74; MACHO: } 75; COFF: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} comdat { 76; LINUX-NOT: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} { 77; LINUX-NOT: %[[REG:.*]] = load i32, i32* @__llvm_profile_runtime 78