1;; Ensure that the loads, stores, and atomicrmw adds for gcov have nosanitize metadata. 2; RUN: rm -rf %t && mkdir %t && cd %t 3; RUN: opt < %s -S -passes=insert-gcov-profiling | FileCheck %s 4; RUN: opt < %s -S -passes=insert-gcov-profiling -gcov-atomic-counter | FileCheck %s --check-prefixes=CHECK-ATOMIC-COUNTER 5 6; CHECK-LABEL: void @empty() 7; CHECK-NEXT: entry: 8; CHECK-NEXT: %gcov_ctr = load i64, ptr @__llvm_gcov_ctr, align 4, !dbg [[DBG:![0-9]+]], !nosanitize [[NOSANITIZE:![0-9]+]] 9; CHECK-NEXT: %0 = add i64 %gcov_ctr, 1, !dbg [[DBG]] 10; CHECK-NEXT: store i64 %0, ptr @__llvm_gcov_ctr, align 4, !dbg [[DBG]], !nosanitize [[NOSANITIZE]] 11; CHECK-NEXT: ret void, !dbg [[DBG]] 12 13; CHECK-ATOMIC-COUNTER-LABEL: void @empty() 14; CHECK-ATOMIC-COUNTER-NEXT: entry: 15; CHECK-ATOMIC-COUNTER-NEXT: %0 = atomicrmw add ptr @__llvm_gcov_ctr, i64 1 monotonic, align 8, !dbg [[DBG:![0-9]+]], !nosanitize [[NOSANITIZE:![0-9]+]] 16; CHECK-ATOMIC-COUNTER-NEXT: ret void, !dbg [[DBG]] 17 18define dso_local void @empty() !dbg !5 { 19entry: 20 ret void, !dbg !8 21} 22 23!llvm.dbg.cu = !{!0} 24!llvm.module.flags = !{!3, !4} 25 26!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug, enums: !2) 27!1 = !DIFile(filename: "a.c", directory: "") 28!2 = !{} 29!3 = !{i32 7, !"Dwarf Version", i32 5} 30!4 = !{i32 2, !"Debug Info Version", i32 3} 31!5 = distinct !DISubprogram(name: "empty", scope: !1, file: !1, line: 1, type: !6, scopeLine: 1, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) 32!6 = !DISubroutineType(types: !7) 33!7 = !{null} 34!8 = !DILocation(line: 2, column: 1, scope: !5) 35