1; RUN: opt --passes=loop-rotate -o - -S %s | FileCheck %s --implicit-check-not=dbg.value 2; RUN: opt --passes=loop-rotate -o - -S %s --try-experimental-debuginfo-iterators | FileCheck %s --implicit-check-not=dbg.value 3; 4;; Test some fine-grained behaviour of loop-rotate's de-duplication of 5;; dbg.values. The intrinsic on the first branch should be seen and 6;; prevent the rotation of the dbg.value for "sink" into the entry block. 7;; However the other dbg.value, for "source", should not be seen, and we'll 8;; get a duplicate. 9; 10target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128" 11target triple = "x86_64-unknown-linux-gnu" 12 13 14; CHECK-LABEL: define void @_ZNK4llvm5APInt4sextEj(ptr 15; CHECK-LABEL: entry: 16; CHECK: #dbg_value(i32 0, ![[SRC:[0-9]+]], 17; CHECK-NEXT: load 18; CHECK-NEXT: #dbg_value(i32 0, ![[SINK:[0-9]+]], 19; CHECK-NEXT: #dbg_value(i32 0, ![[SRC]], 20; CHECK-LABEL: for.body: 21; CHECK: #dbg_value(i32 0, ![[SINK]], 22; CHECK-NEXT: #dbg_value(i32 0, ![[SRC]], 23 24declare void @llvm.dbg.value(metadata, metadata, metadata) 25 26define void @_ZNK4llvm5APInt4sextEj(ptr %agg.result) !dbg !5 { 27entry: 28 tail call void @llvm.dbg.value(metadata i32 0, metadata !4, metadata !DIExpression()), !dbg !10 29 %.pre = load i32, ptr %agg.result, align 8 30 tail call void @llvm.dbg.value(metadata i32 0, metadata !11, metadata !DIExpression()), !dbg !10 31 br label %for.cond 32 33for.cond: ; preds = %for.body, %entry 34 %i.0 = phi i32 [ 0, %entry ], [ 1, %for.body ] 35 tail call void @llvm.dbg.value(metadata i32 0, metadata !11, metadata !DIExpression()), !dbg !10 36 tail call void @llvm.dbg.value(metadata i32 0, metadata !4, metadata !DIExpression()), !dbg !10 37 %cmp12.not = icmp eq i32 %i.0, %.pre, !dbg !10 38 br i1 %cmp12.not, label %for.end, label %for.body 39 40for.body: ; preds = %for.cond 41 store i64 0, ptr %agg.result, align 8 42 br label %for.cond 43 44for.end: ; preds = %for.cond 45 ret void 46} 47 48!llvm.dbg.cu = !{!0} 49!llvm.module.flags = !{!3} 50 51!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, splitDebugInlining: false, nameTableKind: None) 52!1 = !DIFile(filename: "foo", directory: "bar") 53!2 = !{} 54!3 = !{i32 2, !"Debug Info Version", i32 3} 55!4 = !DILocalVariable(name: "source", scope: !5, file: !6, line: 170, type: !8) 56!5 = distinct !DISubprogram(name: "ConvertUTF16toUTF32", scope: !6, file: !6, line: 166, type: !7, scopeLine: 168, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) 57!6 = !DIFile(filename: "fooo", directory: ".") 58!7 = !DISubroutineType(types: !2) 59!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64) 60!9 = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned) 61!10 = !DILocation(line: 0, scope: !5) 62!11 = !DILocalVariable(name: "sink", scope: !5, file: !6, line: 170, type: !8) 63