1; RUN: opt < %s -passes=indvars -S | FileCheck %s 2 3; This testcase checks the preservation of debug locations of newly created 4; phi, sitofp, add and icmp instructions in IndVarSimplify Pass. 5 6define void @test1() !dbg !5 { 7; CHECK-LABEL: @test1( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: br label [[BB:%.*]], !dbg 10; CHECK: bb: 11; CHECK: [[IV_INT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[DOTINT:%.*]], [[BB]] ], !dbg ![[DBG1:[0-9]+]] 12; CHECK: [[INDVAR_CONV:%.*]] = sitofp i32 [[IV_INT]] to double, !dbg ![[DBG1]] 13; CHECK: [[DOTINT]] = add nuw nsw i32 [[IV_INT]], 1, !dbg ![[DBG2:[0-9]+]] 14; CHECK: [[TMP1:%.*]] = icmp ult i32 [[DOTINT]], 10000, !dbg ![[DBG3:[0-9]+]] 15; CHECK: ![[DBG1]] = !DILocation(line: 2 16; CHECK: ![[DBG2]] = !DILocation(line: 4 17; CHECK: ![[DBG3]] = !DILocation(line: 5 18; 19entry: 20 br label %bb, !dbg !16 21 22bb: ; preds = %bb, %entry 23 %iv = phi double [ 0.000000e+00, %entry ], [ %1, %bb ], !dbg !17 24 %0 = tail call i32 @foo(double %iv), !dbg !18 25 %1 = fadd double %iv, 1.000000e+00, !dbg !19 26 %2 = fcmp olt double %1, 1.000000e+04, !dbg !20 27 br i1 %2, label %bb, label %return, !dbg !21 28 29return: ; preds = %bb 30 ret void, !dbg !22 31} 32 33declare i32 @foo(double) 34 35!llvm.dbg.cu = !{!0} 36!llvm.debugify = !{!2, !3} 37!llvm.module.flags = !{!4} 38 39!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) 40!1 = !DIFile(filename: "indvars-preserving.ll", directory: "/") 41!2 = !{i32 7} 42!3 = !{i32 4} 43!4 = !{i32 2, !"Debug Info Version", i32 3} 44!5 = distinct !DISubprogram(name: "test1", linkageName: "test1", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8) 45!6 = !DISubroutineType(types: !7) 46!7 = !{} 47!8 = !{!9, !11, !13, !14} 48!9 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 2, type: !10) 49!10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned) 50!11 = !DILocalVariable(name: "2", scope: !5, file: !1, line: 3, type: !12) 51!12 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned) 52!13 = !DILocalVariable(name: "3", scope: !5, file: !1, line: 4, type: !10) 53!14 = !DILocalVariable(name: "4", scope: !5, file: !1, line: 5, type: !15) 54!15 = !DIBasicType(name: "ty8", size: 8, encoding: DW_ATE_unsigned) 55!16 = !DILocation(line: 1, column: 1, scope: !5) 56!17 = !DILocation(line: 2, column: 1, scope: !5) 57!18 = !DILocation(line: 3, column: 1, scope: !5) 58!19 = !DILocation(line: 4, column: 1, scope: !5) 59!20 = !DILocation(line: 5, column: 1, scope: !5) 60!21 = !DILocation(line: 6, column: 1, scope: !5) 61!22 = !DILocation(line: 7, column: 1, scope: !5) 62