1; RUN: opt < %s -passes=tsan -S | FileCheck %s 2 3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 4 5define i32 @with_dbg(ptr %a) sanitize_thread !dbg !3 { 6entry: 7 %tmp1 = load i32, ptr %a, align 4 8 ret i32 %tmp1 9} 10; CHECK-LABEL: @with_dbg 11; CHECK-NEXT: entry: 12; CHECK: call void @__tsan_func_entry(ptr %0), !dbg [[DBG1:![0-9]+]] 13; CHECK: call void @__tsan_read4(ptr %a), !dbg [[DBG1]] 14; CHECK: call void @__tsan_func_exit(), !dbg [[DBG1]] 15 16declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) 17 18define void @memintrinsic(ptr nocapture %x, ptr nocapture %y) sanitize_thread !dbg !7 { 19entry: 20 tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 %x, ptr align 4 %y, i64 16, i1 false) 21 ret void 22} 23; CHECK-LABEL: @memintrinsic 24; CHECK-NEXT: entry: 25; CHECK: call void @__tsan_func_entry(ptr %0), !dbg [[DBG2:![0-9]+]] 26; CHECK: call ptr @__tsan_memcpy(ptr %x, ptr %y, i64 16), !dbg [[DBG2]] 27; CHECK: call void @__tsan_func_exit(), !dbg [[DBG2]] 28 29define i32 @without_dbg(ptr %a) sanitize_thread { 30entry: 31 %tmp1 = load i32, ptr %a, align 4 32 ret i32 %tmp1 33} 34; CHECK-LABEL: @without_dbg 35; CHECK-NEXT: entry: 36; CHECK-NOT: call void @__tsan_func_entry(ptr %0), !dbg 37; CHECK-NOT: call void @__tsan_read4(ptr %1), !dbg 38; CHECK-NOT: call void @__tsan_func_exit(), !dbg 39; CHECK: call void @__tsan_func_entry(ptr %0) 40; CHECK: call void @__tsan_read4(ptr %a) 41; CHECK: call void @__tsan_func_exit() 42 43!llvm.dbg.cu = !{!0} 44!llvm.module.flags = !{!2} 45 46!0 = distinct !DICompileUnit(language: DW_LANG_C89, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None) 47!1 = !DIFile(filename: "foo.c", directory: "") 48!2 = !{i32 2, !"Debug Info Version", i32 3} 49!3 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 190, type: !4, scopeLine: 192, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0) 50!4 = !DISubroutineType(types: !5) 51!5 = !{} 52!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 195, type: !4, scopeLine: 199, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0) 53 54; CHECK: [[DBG1]] = !DILocation(line: 0, scope: !3) 55; CHECK: [[DBG2]] = !DILocation(line: 0, scope: !7) 56