1; Test that the debug information is propagated correctly to the new instructions 2; RUN: opt < %s -passes=ipsccp -S | FileCheck %s 3 4define double @sdiv_ashr_sitofp_dbg_pres(i7 %y) !dbg !5 { 5; CHECK-LABEL: define double @sdiv_ashr_sitofp_dbg_pres( 6; CHECK: [[SDIV:%.*]] = udiv i8 42, [[ZEXT1:%.*]], !dbg [[DBG9:![0-9]+]] 7; CHECK: [[ASHR:%.*]] = lshr i8 42, [[SDIV]], !dbg [[DBG10:![0-9]+]] 8; CHECK: [[SITOFP:%.*]] = uitofp nneg i16 [[ZEXT2:%.*]] to double, !dbg [[DBG12:![0-9]+]] 9; 10 %zext1 = zext i7 %y to i8, !dbg !8 11 %sdiv = sdiv i8 42, %zext1, !dbg !9 12 %ashr = ashr i8 42, %sdiv, !dbg !10 13 %zext2 = zext i8 %ashr to i16, !dbg !11 14 %sitofp = sitofp i16 %zext2 to double, !dbg !12 15 ret double %sitofp, !dbg !13 16} 17 18define i32 @test_duplicate_successors_phi(i1 %c, i32 %x) !dbg !14 { 19; CHECK-LABEL: define i32 @test_duplicate_successors_phi( 20; CHECK: switch: 21; CHECK-NEXT: br label %[[SWITCH_DEFAULT:.*]], !dbg [[DBG16:![0-9]+]] 22; 23entry: 24 br i1 %c, label %switch, label %end, !dbg !15 25 26switch: ; preds = %entry 27 switch i32 -1, label %switch.default [ 28 i32 0, label %end 29 i32 1, label %end 30 ], !dbg !16 31 32switch.default: ; preds = %switch 33 ret i32 -1, !dbg !17 34 35end: ; preds = %switch, %switch, %entry 36 %phi = phi i32 [ %x, %entry ], [ 1, %switch ], [ 1, %switch ], !dbg !18 37 ret i32 %phi, !dbg !19 38} 39 40!llvm.dbg.cu = !{!0} 41!llvm.debugify = !{!2, !3} 42!llvm.module.flags = !{!4} 43 44;. 45; CHECK: [[DBG9]] = !DILocation(line: 2 46; CHECK: [[DBG10]] = !DILocation(line: 3 47; CHECK: [[DBG12]] = !DILocation(line: 5 48; CHECK: [[DBG16]] = !DILocation(line: 8 49;. 50 51 52!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) 53!1 = !DIFile(filename: "sccp.ll", directory: "/") 54!2 = !{i32 11} 55!3 = !{i32 0} 56!4 = !{i32 2, !"Debug Info Version", i32 3} 57!5 = distinct !DISubprogram(name: "sdiv_ashr_sitofp_dbg_pres", linkageName: "sdiv_ashr_sitofp_dbg_pres", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0) 58!6 = !DISubroutineType(types: !7) 59!7 = !{} 60!8 = !DILocation(line: 1, column: 1, scope: !5) 61!9 = !DILocation(line: 2, column: 1, scope: !5) 62!10 = !DILocation(line: 3, column: 1, scope: !5) 63!11 = !DILocation(line: 4, column: 1, scope: !5) 64!12 = !DILocation(line: 5, column: 1, scope: !5) 65!13 = !DILocation(line: 6, column: 1, scope: !5) 66!14 = distinct !DISubprogram(name: "test_duplicate_successors_phi", linkageName: "test_duplicate_successors_phi", scope: null, file: !1, line: 7, type: !6, scopeLine: 7, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0) 67!15 = !DILocation(line: 7, column: 1, scope: !14) 68!16 = !DILocation(line: 8, column: 1, scope: !14) 69!17 = !DILocation(line: 9, column: 1, scope: !14) 70!18 = !DILocation(line: 10, column: 1, scope: !14) 71!19 = !DILocation(line: 11, column: 1, scope: !14) 72