1; RUN: opt < %s -passes=reassociate -S | FileCheck %s 2 3; Check that Reassociate's NegateValue() drops the debug location of `%sub2` 4; when moving it out of the loop's body (`%for.body`) to `%for.cond`. 5 6define void @fn1(i32 %a, i1 %c, ptr %ptr) !dbg !5 { 7; CHECK-LABEL: define void @fn1( 8; CHECK: for.cond: 9; CHECK: [[SUB2:%.*]] = sub i32 0, %d.0{{$}} 10; CHECK: for.body: 11; 12entry: 13 br label %for.cond, !dbg !8 14 15for.cond: ; preds = %for.body, %entry 16 %d.0 = phi i32 [ 1, %entry ], [ 2, %for.body ], !dbg !9 17 br i1 %c, label %for.end, label %for.body, !dbg !10 18 19for.body: ; preds = %for.cond 20 %sub1 = sub i32 %a, %d.0, !dbg !11 21 %dead1 = add i32 %sub1, 1, !dbg !12 22 %dead2 = mul i32 %dead1, 3, !dbg !13 23 %dead3 = mul i32 %dead2, %sub1, !dbg !14 24 %sub2 = sub nsw i32 0, %d.0, !dbg !15 25 store i32 %sub2, ptr %ptr, align 4, !dbg !16 26 br label %for.cond, !dbg !17 27 28for.end: ; preds = %for.cond 29 ret void, !dbg !18 30} 31 32!llvm.dbg.cu = !{!0} 33!llvm.debugify = !{!2, !3} 34!llvm.module.flags = !{!4} 35 36!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) 37!1 = !DIFile(filename: "debugloc.ll", directory: "/") 38!2 = !{i32 11} 39!3 = !{i32 0} 40!4 = !{i32 2, !"Debug Info Version", i32 3} 41!5 = distinct !DISubprogram(name: "fn1", linkageName: "fn1", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0) 42!6 = !DISubroutineType(types: !7) 43!7 = !{} 44!8 = !DILocation(line: 1, column: 1, scope: !5) 45!9 = !DILocation(line: 2, column: 1, scope: !5) 46!10 = !DILocation(line: 3, column: 1, scope: !5) 47!11 = !DILocation(line: 4, column: 1, scope: !5) 48!12 = !DILocation(line: 5, column: 1, scope: !5) 49!13 = !DILocation(line: 6, column: 1, scope: !5) 50!14 = !DILocation(line: 7, column: 1, scope: !5) 51!15 = !DILocation(line: 8, column: 1, scope: !5) 52!16 = !DILocation(line: 9, column: 1, scope: !5) 53!17 = !DILocation(line: 10, column: 1, scope: !5) 54!18 = !DILocation(line: 11, column: 1, scope: !5) 55