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1; RUN: opt < %s -passes=tsan -S | FileCheck %s2 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 48 ret i32 %tmp19}10; CHECK-LABEL: @with_dbg11; 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 void22}23; CHECK-LABEL: @memintrinsic24; 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 432 ret i32 %tmp133}34; CHECK-LABEL: @without_dbg35; CHECK-NEXT: entry:36; CHECK-NOT: call void @__tsan_func_entry(ptr %0), !dbg37; CHECK-NOT: call void @__tsan_read4(ptr %1), !dbg38; CHECK-NOT: call void @__tsan_func_exit(), !dbg39; 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