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 21 define 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 28 define 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 35 define 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 44 define 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 55 define 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 60 declare 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
