| ;; -fsanitize=thread requires the (potentially concurrent) counter updates to be atomic. |
| ; RUN: mkdir -p %t && cd %t |
| ; RUN: opt < %s -S -passes=insert-gcov-profiling -gcov-atomic-counter | FileCheck %s |
| |
| ; CHECK-LABEL: void @empty() |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %0 = atomicrmw add i64* getelementptr inbounds ([1 x i64], [1 x i64]* @__llvm_gcov_ctr, i64 0, i64 0), i64 1 monotonic, align 8, !dbg [[DBG:![0-9]+]] |
| ; CHECK-NEXT: ret void, !dbg [[DBG]] |
| |
| define dso_local void @empty() !dbg !5 { |
| entry: |
| ret void, !dbg !8 |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "a.c", directory: "") |
| !2 = !{} |
| !3 = !{i32 7, !"Dwarf Version", i32 5} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = distinct !DISubprogram(name: "empty", scope: !1, file: !1, line: 1, type: !6, scopeLine: 1, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{null} |
| !8 = !DILocation(line: 2, column: 1, scope: !5) |
