1; RUN: llc -simplify-mir -stop-after=machine-sink < %s -o - | FileCheck %s 2 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; else 16; 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 uwtable 27define 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 !16 29 tail call void @llvm.dbg.value(metadata double %y, metadata !14, metadata !DIExpression()), !dbg !16 30 tail call void @llvm.dbg.value(metadata i1 %c, metadata !15, metadata !DIExpression()), !dbg !16 31 %a = fdiv double %x, 3.000000e+00 32 %b = fdiv double %y, 5.000000e+00, !dbg !17 33 br i1 %c, label %first, label %second 34first: 35 %e = fadd double %a, 1.000000e+00 36 br label %final 37second: 38 %f = fadd double %b, 1.000000e+00, !dbg !18 39 40; CHECK-NOT: debug-location [[NO]] 41; CHECK: debug-location [[YES]] 42; CHECK-NOT: debug-location [[NO]] 43 br label %final 44final: 45 %cond = phi double [%e, %first], [%f, %second] 46 %d = fadd double %cond, 1.000000e+00 47 ret double %d 48} 49 50 51 52; Function Attrs: nounwind readnone uwtable 53define 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 !24 55 tail call void @llvm.dbg.value(metadata double %y, metadata !22, metadata !DIExpression()), !dbg !24 56 tail call void @llvm.dbg.value(metadata i1 %c, metadata !23, metadata !DIExpression()), !dbg !24 57 %a = fdiv double %x, 3.000000e+00 58 %b = fdiv double %y, 5.000000e+00, !dbg !25 59 br i1 %c, label %first, label %second 60first: 61 %e = fadd double %a, 1.000000e+00 62 br label %final 63second: 64 %f = fadd double %b, 1.000000e+00, !dbg !25 65; CHECK: debug-location [[TAG]] 66; CHECK-NEXT: debug-location [[TAG]] 67 br label %final 68final: 69 %cond = phi double [%e, %first], [%f, %second] 70 %d = fadd double %cond, 1.000000e+00 71 ret double %d 72} 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 speculatable 81declare void @llvm.dbg.value(metadata, metadata, metadata) #1 82 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