1 ; RUN: opt < %s -passes=indvars -S | FileCheck %s
3 ; This testcase checks the preservation of debug locations of newly created
4 ; phi, sitofp, add and icmp instructions in IndVarSimplify Pass.
6 define void @test1() !dbg !5 {
9 ; CHECK-NEXT: br label [[BB:%.*]], !dbg
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
20 br label %bb, !dbg !16
22 bb: ; 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
33 declare i32 @foo(double)
36 !llvm.debugify = !{!2, !3}
37 !llvm.module.flags = !{!4}
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: "/")
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)
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)