1 ; RUN: opt -S -loop-rotate < %s | FileCheck %s 2 source_filename = "/tmp/loop.c" 3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 4 target triple = "x86_64-apple-macosx10.13.0" 5 6 ; Function Attrs: nounwind ssp uwtable 7 define void @f(float* %input, i64 %n, i64 %s) local_unnamed_addr #0 !dbg !8 { 8 entry: 9 call void @llvm.dbg.value(metadata float* %input, metadata !15, metadata !DIExpression()), !dbg !20 10 call void @llvm.dbg.value(metadata i64 %n, metadata !16, metadata !DIExpression()), !dbg !21 11 call void @llvm.dbg.value(metadata i64 %s, metadata !17, metadata !DIExpression()), !dbg !22 12 call void @llvm.dbg.value(metadata i64 0, metadata !18, metadata !DIExpression()), !dbg !23 13 ; CHECK: call void @llvm.dbg.value(metadata i64 0, metadata !18, metadata !DIExpression()), !dbg !23 14 ; CHECK-NOT: call void @llvm.dbg.value(metadata i64 0, metadata !18, metadata !DIExpression()), !dbg !23 15 br label %for.cond, !dbg !24 16 17 for.cond: ; preds = %for.body, %entry 18 ; CHECK: %i.02 = phi i64 [ 0, %for.body.lr.ph ], [ %add, %for.body ] 19 %i.0 = phi i64 [ 0, %entry ], [ %add, %for.body ] 20 call void @llvm.dbg.value(metadata i64 %i.0, metadata !18, metadata !DIExpression()), !dbg !23 21 %cmp = icmp slt i64 %i.0, %n, !dbg !25 22 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !27 23 24 for.cond.cleanup: ; preds = %for.cond 25 ret void, !dbg !28 26 27 for.body: ; preds = %for.cond 28 %arrayidx = getelementptr inbounds float, float* %input, i64 %i.0, !dbg !29 29 %0 = load float, float* %arrayidx, align 4, !dbg !29, !tbaa !30 30 call void @bar(float %0), !dbg !34 31 %add = add nsw i64 %i.0, %s, !dbg !35 32 call void @llvm.dbg.value(metadata i64 %add, metadata !18, metadata !DIExpression()), !dbg !23 33 ; CHECK: call void @llvm.dbg.value(metadata i64 %add, metadata !18, metadata !DIExpression()), !dbg !23 34 ; CHECK-NOT: call void @llvm.dbg.value(metadata i64 %add, metadata !18, metadata !DIExpression()), !dbg !23 35 br label %for.cond, !dbg !36, !llvm.loop !37 36 } 37 38 declare void @bar(float) local_unnamed_addr #1 39 40 ; Function Attrs: nounwind readnone speculatable 41 declare void @llvm.dbg.value(metadata, metadata, metadata) #2 42 43 attributes #0 = { nounwind ssp uwtable } 44 attributes #2 = { nounwind readnone speculatable } 45 46 !llvm.dbg.cu = !{!0} 47 !llvm.module.flags = !{!3, !4, !5, !6} 48 !llvm.ident = !{!7} 49 50 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 (trunk 316689) (llvm/trunk 316685)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 51 !1 = !DIFile(filename: "/tmp/loop.c", directory: "/Data/llvm") 52 !2 = !{} 53 !3 = !{i32 2, !"Dwarf Version", i32 4} 54 !4 = !{i32 2, !"Debug Info Version", i32 3} 55 !5 = !{i32 1, !"wchar_size", i32 4} 56 !6 = !{i32 7, !"PIC Level", i32 2} 57 !7 = !{!"clang version 6.0.0 (trunk 316689) (llvm/trunk 316685)"} 58 !8 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !14) 59 !9 = !DISubroutineType(types: !10) 60 !10 = !{null, !11, !13, !13} 61 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64) 62 !12 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float) 63 !13 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) 64 !14 = !{!15, !16, !17, !18} 65 !15 = !DILocalVariable(name: "input", arg: 1, scope: !8, file: !1, line: 2, type: !11) 66 !16 = !DILocalVariable(name: "n", arg: 2, scope: !8, file: !1, line: 2, type: !13) 67 !17 = !DILocalVariable(name: "s", arg: 3, scope: !8, file: !1, line: 2, type: !13) 68 !18 = !DILocalVariable(name: "i", scope: !19, file: !1, line: 3, type: !13) 69 !19 = distinct !DILexicalBlock(scope: !8, file: !1, line: 3, column: 3) 70 !20 = !DILocation(line: 2, column: 15, scope: !8) 71 !21 = !DILocation(line: 2, column: 32, scope: !8) 72 !22 = !DILocation(line: 2, column: 45, scope: !8) 73 !23 = !DILocation(line: 3, column: 18, scope: !19) 74 !24 = !DILocation(line: 3, column: 8, scope: !19) 75 !25 = !DILocation(line: 3, column: 26, scope: !26) 76 !26 = distinct !DILexicalBlock(scope: !19, file: !1, line: 3, column: 3) 77 !27 = !DILocation(line: 3, column: 3, scope: !19) 78 !28 = !DILocation(line: 5, column: 1, scope: !8) 79 !29 = !DILocation(line: 4, column: 9, scope: !26) 80 !30 = !{!31, !31, i64 0} 81 !31 = !{!"float", !32, i64 0} 82 !32 = !{!"omnipotent char", !33, i64 0} 83 !33 = !{!"Simple C/C++ TBAA"} 84 !34 = !DILocation(line: 4, column: 5, scope: !26) 85 !35 = !DILocation(line: 3, column: 31, scope: !26) 86 !36 = !DILocation(line: 3, column: 3, scope: !26) 87 !37 = distinct !{!37, !27, !38} 88 !38 = !DILocation(line: 4, column: 17, scope: !19) 89
