56 lines
2.5 KiB
LLVM
56 lines
2.5 KiB
LLVM
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; RUN: opt < %s -passes=tsan -S | FileCheck %s
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target 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"
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define i32 @with_dbg(ptr %a) sanitize_thread !dbg !3 {
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entry:
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%tmp1 = load i32, ptr %a, align 4
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ret i32 %tmp1
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}
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; CHECK-LABEL: @with_dbg
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; CHECK-NEXT: entry:
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; CHECK: call void @__tsan_func_entry(ptr %0), !dbg [[DBG1:![0-9]+]]
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; CHECK: call void @__tsan_read4(ptr %a), !dbg [[DBG1]]
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; CHECK: call void @__tsan_func_exit(), !dbg [[DBG1]]
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declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1)
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define void @memintrinsic(ptr nocapture %x, ptr nocapture %y) sanitize_thread !dbg !7 {
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entry:
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tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 %x, ptr align 4 %y, i64 16, i1 false)
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ret void
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}
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; CHECK-LABEL: @memintrinsic
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; CHECK-NEXT: entry:
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; CHECK: call void @__tsan_func_entry(ptr %0), !dbg [[DBG2:![0-9]+]]
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; CHECK: call ptr @__tsan_memcpy(ptr %x, ptr %y, i64 16), !dbg [[DBG2]]
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; CHECK: call void @__tsan_func_exit(), !dbg [[DBG2]]
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define i32 @without_dbg(ptr %a) sanitize_thread {
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entry:
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%tmp1 = load i32, ptr %a, align 4
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ret i32 %tmp1
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}
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; CHECK-LABEL: @without_dbg
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; CHECK-NEXT: entry:
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; CHECK-NOT: call void @__tsan_func_entry(ptr %0), !dbg
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; CHECK-NOT: call void @__tsan_read4(ptr %1), !dbg
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; CHECK-NOT: call void @__tsan_func_exit(), !dbg
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; CHECK: call void @__tsan_func_entry(ptr %0)
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; CHECK: call void @__tsan_read4(ptr %a)
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; CHECK: call void @__tsan_func_exit()
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2}
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!0 = distinct !DICompileUnit(language: DW_LANG_C89, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "foo.c", directory: "")
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!2 = !{i32 2, !"Debug Info Version", i32 3}
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!3 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 190, type: !4, scopeLine: 192, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0)
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!4 = !DISubroutineType(types: !5)
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!5 = !{}
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!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 195, type: !4, scopeLine: 199, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0)
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; CHECK: [[DBG1]] = !DILocation(line: 0, scope: !3)
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; CHECK: [[DBG2]] = !DILocation(line: 0, scope: !7)
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