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      1 ;; Check that PGO instrumented variables associated with linkonce odr
      2 ;; functions are placed in the same comdat section.
      3 
      4 
      5 ; RUN: opt < %s -mtriple=x86_64-apple-macosx10.10.0 -instrprof -S | FileCheck %s
      6 ; RUN: opt < %s -mtriple=x86_64-unknown-linux -instrprof -S | FileCheck %s
      7 ; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -instrprof -S | FileCheck %s --check-prefix=COFF
      8 
      9 $_Z3barIvEvv = comdat any
     10 
     11 @__profn__Z3barIvEvv = linkonce_odr hidden constant [11 x i8] c"_Z3barIvEvv", align 1
     12 
     13 ; CHECK: @__profn__Z3barIvEvv = linkonce_odr hidden constant [11 x i8] c"_Z3barIvEvv", section "{{.*}}__llvm_prf_names", comdat($__profv__Z3barIvEvv), align 1
     14 ; CHECK: @__profc__Z3barIvEvv = linkonce_odr hidden global [1 x i64] zeroinitializer, section "{{.*}}__llvm_prf_cnts", comdat($__profv__Z3barIvEvv), align 8
     15 ; CHECK: @__profd__Z3barIvEvv = linkonce_odr hidden global { i32, i32, i64, i8*, i64*, i8*, i8*, [1 x i16] } { i32 11, i32 1, i64 0, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn__Z3barIvEvv, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64], [1 x i64]* @__profc__Z3barIvEvv, i32 0, i32 0), i8* null, i8* null, [1 x i16] zeroinitializer }, section "{{.*}}__llvm_prf_data", comdat($__profv__Z3barIvEvv), align 8
     16 
     17 ; COFF: @__profn__Z3barIvEvv = linkonce_odr hidden constant [11 x i8] c"_Z3barIvEvv", section "{{.*}}__llvm_prf_names", comdat, align 1
     18 ; COFF: @__profc__Z3barIvEvv = linkonce_odr hidden global [1 x i64] zeroinitializer, section "{{.*}}__llvm_prf_cnts", comdat($__profn__Z3barIvEvv), align 8
     19 ; COFF: @__profd__Z3barIvEvv = linkonce_odr hidden global { i32, i32, i64, i8*, i64*, i8*, i8*, [1 x i16] } { i32 11, i32 1, i64 0, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn__Z3barIvEvv, i32 0, i32 0), i64* getelementptr inbounds ([1 x i64], [1 x i64]* @__profc__Z3barIvEvv, i32 0, i32 0), i8* null, i8* null, [1 x i16] zeroinitializer }, section "{{.*}}__llvm_prf_data", comdat($__profn__Z3barIvEvv), align 8
     20 
     21 
     22 declare void @llvm.instrprof.increment(i8*, i64, i32, i32) #1
     23 
     24 define linkonce_odr void @_Z3barIvEvv() comdat {
     25 entry:
     26   call void @llvm.instrprof.increment(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn__Z3barIvEvv, i32 0, i32 0), i64 0, i32 1, i32 0)
     27   ret void
     28 }
     29