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1; RUN: llc -simplify-mir -stop-after=machine-sink < %s -o - | FileCheck %s2 3; ModuleID = 'test-sink-debug.cpp'4source_filename = "test-sink-debug.cpp"5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"6target triple = "x86_64-unknown-linux-gnu"7 8; double foo(double x, double y, bool c) {9; double a = x / 3.0;10; double b = y / 5.0;11; double ret;12;13; if (c)14; ret = a + 1.0;15; else16; ret = b + 1.0;17;18; ret = ret + 1.0;19;20; return ret;21; }22; CHECK: fdiv {{.*}} !dbg [[NO:![0-9]+]]23; CHECK: fadd {{.*}} !dbg [[YES:![0-9]+]]24; CHECK: fdiv {{.*}} !dbg [[TAG:![0-9]+]]25 26; Function Attrs: nounwind readnone uwtable27define double @_Z3fooddb(double %x, double %y, i1 zeroext %c) local_unnamed_addr !dbg !7 {28 tail call void @llvm.dbg.value(metadata double %x, metadata !13, metadata !DIExpression()), !dbg !1629 tail call void @llvm.dbg.value(metadata double %y, metadata !14, metadata !DIExpression()), !dbg !1630 tail call void @llvm.dbg.value(metadata i1 %c, metadata !15, metadata !DIExpression()), !dbg !1631 %a = fdiv double %x, 3.000000e+0032 %b = fdiv double %y, 5.000000e+00, !dbg !1733 br i1 %c, label %first, label %second34first:35 %e = fadd double %a, 1.000000e+0036 br label %final37second:38 %f = fadd double %b, 1.000000e+00, !dbg !1839 40; CHECK-NOT: debug-location [[NO]]41; CHECK: debug-location [[YES]]42; CHECK-NOT: debug-location [[NO]]43 br label %final44final:45 %cond = phi double [%e, %first], [%f, %second]46 %d = fadd double %cond, 1.000000e+0047 ret double %d48}49 50 51 52; Function Attrs: nounwind readnone uwtable53define double @_Z4foo1ddb(double %x, double %y, i1 zeroext %c) local_unnamed_addr !dbg !19 {54 tail call void @llvm.dbg.value(metadata double %x, metadata !21, metadata !DIExpression()), !dbg !2455 tail call void @llvm.dbg.value(metadata double %y, metadata !22, metadata !DIExpression()), !dbg !2456 tail call void @llvm.dbg.value(metadata i1 %c, metadata !23, metadata !DIExpression()), !dbg !2457 %a = fdiv double %x, 3.000000e+0058 %b = fdiv double %y, 5.000000e+00, !dbg !2559 br i1 %c, label %first, label %second60first:61 %e = fadd double %a, 1.000000e+0062 br label %final63second:64 %f = fadd double %b, 1.000000e+00, !dbg !2565; CHECK: debug-location [[TAG]]66; CHECK-NEXT: debug-location [[TAG]]67 br label %final68final:69 %cond = phi double [%e, %first], [%f, %second]70 %d = fadd double %cond, 1.000000e+0071 ret double %d72}73 74!llvm.dbg.cu = !{!0}75!llvm.module.flags = !{!3, !4, !5}76!llvm.ident = !{!6}77 78attributes #1 = { nounwind readnone speculatable }79 80; Function Attrs: nounwind readnone speculatable81declare void @llvm.dbg.value(metadata, metadata, metadata) #182 83!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 6.0.0 (trunk 313291)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)84!1 = !DIFile(filename: "test-sink-debug.cpp", directory: "/tmp")85!2 = !{}86!3 = !{i32 2, !"Dwarf Version", i32 4}87!4 = !{i32 2, !"Debug Info Version", i32 3}88!5 = !{i32 1, !"wchar_size", i32 4}89!6 = !{!"clang version 6.0.0 (trunk 313291)"}90!7 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooddb", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)91!8 = !DISubroutineType(types: !9)92!9 = !{!10, !10, !10, !11}93!10 = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)94!11 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean)95!12 = !{!13, !14, !15}96!13 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !1, line: 1, type: !10)97!14 = !DILocalVariable(name: "y", arg: 2, scope: !7, file: !1, line: 1, type: !10)98!15 = !DILocalVariable(name: "c", arg: 3, scope: !7, file: !1, line: 1, type: !11)99!16 = !DILocation(line: 1, column: 19, scope: !7)100!17 = !DILocation(line: 2, column: 26, scope: !7)101!18 = !DILocation(line: 3, column: 20, scope: !7)102!19 = distinct !DISubprogram(name: "foo1", linkageName: "_Z4foo1ddb", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !20)103!20 = !{!21, !22, !23}104!21 = !DILocalVariable(name: "x", arg: 1, scope: !19, file: !1, line: 1, type: !10)105!22 = !DILocalVariable(name: "y", arg: 2, scope: !19, file: !1, line: 1, type: !10)106!23 = !DILocalVariable(name: "c", arg: 3, scope: !19, file: !1, line: 1, type: !11)107!24 = !DILocation(line: 1, column: 19, scope: !19)108!25 = !DILocation(line: 2, column: 26, scope: !19)109