| ; RUN: opt < %s -mtriple=x86_64-unknown-linux -instrprof -S | FileCheck %s --check-prefixes=ELF |
| ; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -instrprof -S | FileCheck %s --check-prefixes=COFF |
| ; RUN: opt < %s -mtriple=x86_64-unknown-linux -passes=instrprof -S | FileCheck %s --check-prefixes=ELF |
| ; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -passes=instrprof -S | FileCheck %s --check-prefixes=COFF |
| |
| ; There are two main cases where comdats are necessary: |
| ; 1. standard inline functions (weak_odr / linkonce_odr) |
| ; 2. available externally functions (C99 inline / extern template / dllimport) |
| ; Check that we do the right thing for the two object formats with comdats, ELF |
| ; and COFF. |
| |
| declare void @llvm.instrprof.increment(i8*, i64, i32, i32) |
| |
| $foo_inline = comdat any |
| |
| @__profn_foo_inline = linkonce_odr hidden constant [10 x i8] c"foo_inline" |
| |
| ; ELF: @__profc_foo_inline = linkonce_odr hidden global{{.*}}, section "__llvm_prf_cnts", comdat($__profv_foo_inline), align 8 |
| ; ELF: @__profd_foo_inline = linkonce_odr hidden global{{.*}}, section "__llvm_prf_data", comdat($__profv_foo_inline), align 8 |
| ; COFF: @__profc_foo_inline = linkonce_odr dso_local global{{.*}}, section ".lprfc$M", comdat, align 8 |
| ; COFF: @__profd_foo_inline = internal global{{.*}}, section ".lprfd$M", comdat($__profc_foo_inline), align 8 |
| define weak_odr void @foo_inline() comdat { |
| 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) |
| ret void |
| } |
| |
| $foo_extern = comdat any |
| |
| @__profn_foo_extern = linkonce_odr hidden constant [10 x i8] c"foo_extern" |
| |
| ; ELF: @__profc_foo_extern = linkonce_odr hidden global{{.*}}, section "__llvm_prf_cnts", comdat($__profv_foo_extern) |
| ; ELF: @__profd_foo_extern = linkonce_odr hidden global{{.*}}, section "__llvm_prf_data", comdat($__profv_foo_extern) |
| ; COFF: @__profc_foo_extern = linkonce_odr dso_local global{{.*}}, section ".lprfc$M", comdat, align 8 |
| ; COFF: @__profd_foo_extern = internal global{{.*}}, section ".lprfd$M", comdat($__profc_foo_extern), align 8 |
| define available_externally void @foo_extern() { |
| 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) |
| ret void |
| } |