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1; RUN: opt %loadNPMPolly '-passes=polly-custom<opt-isl>' -polly-reschedule=0 -polly-pragma-based-opts=1 -disable-output < %s 2>&1 | FileCheck %s --match-full-lines2;3; CHECK: warning: distribute_illegal.c:1:42: not applying loop fission/distribution: cannot ensure semantic equivalence due to possible dependency violations4;5; void foo(double *A,double *B) {6; for (int i = 1; i < 128; ++i) {7; A[i] = i;8; B[i] = A[i+1];9; }10; }11 12source_filename = "distribute_illegal.c"13target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"14target triple = "x86_64-unknown-linux-gnu"15 16define dso_local void @foo(ptr %A, ptr %B) #0 !dbg !7 {17entry:18 call void @llvm.dbg.value(metadata ptr %A, metadata !13, metadata !DIExpression()), !dbg !1819 call void @llvm.dbg.value(metadata ptr %B, metadata !14, metadata !DIExpression()), !dbg !1820 call void @llvm.dbg.value(metadata i32 1, metadata !15, metadata !DIExpression()), !dbg !1921 br label %for.cond, !dbg !2022 23for.cond:24 %i.0 = phi i32 [ 1, %entry ], [ %inc, %for.body ], !dbg !1925 call void @llvm.dbg.value(metadata i32 %i.0, metadata !15, metadata !DIExpression()), !dbg !1926 %cmp = icmp slt i32 %i.0, 128, !dbg !2127 br i1 %cmp, label %for.body, label %for.end, !dbg !2328 29for.body:30 %conv = sitofp i32 %i.0 to double, !dbg !2431 %idxprom = sext i32 %i.0 to i64, !dbg !2632 %arrayidx = getelementptr inbounds double, ptr %A, i64 %idxprom, !dbg !2633 store double %conv, ptr %arrayidx, align 8, !dbg !27, !tbaa !2834 35 %add = add nsw i32 %i.0, 1, !dbg !3236 %idxprom1 = sext i32 %add to i64, !dbg !3337 %arrayidx2 = getelementptr inbounds double, ptr %A, i64 %idxprom1, !dbg !3338 %0 = load double, ptr %arrayidx2, align 8, !dbg !33, !tbaa !2839 %idxprom3 = sext i32 %i.0 to i64, !dbg !3440 %arrayidx4 = getelementptr inbounds double, ptr %B, i64 %idxprom3, !dbg !3441 store double %0, ptr %arrayidx4, align 8, !dbg !35, !tbaa !2842 43 %inc = add nsw i32 %i.0, 1, !dbg !3644 call void @llvm.dbg.value(metadata i32 %inc, metadata !15, metadata !DIExpression()), !dbg !1945 br label %for.cond, !dbg !37, !llvm.loop !3846 47for.end:48 ret void, !dbg !4149}50 51declare void @llvm.dbg.declare(metadata, metadata, metadata) #152 53declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #254 55declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #256 57declare void @llvm.dbg.value(metadata, metadata, metadata) #158 59attributes #0 = { nounwind uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }60attributes #1 = { nofree nosync nounwind readnone speculatable willreturn }61attributes #2 = { argmemonly nofree nosync nounwind willreturn }62 63!llvm.dbg.cu = !{!0}64!llvm.module.flags = !{!2, !3, !4, !5}65!llvm.ident = !{!6}66 67!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 14.0.0 (/home/meinersbur/src/llvm-project/clang 81189783049d2b93f653c121d3731fd1732a3916)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)68!1 = !DIFile(filename: "distribute_illegal.c", directory: "/path/to")69!2 = !{i32 7, !"Dwarf Version", i32 4}70!3 = !{i32 2, !"Debug Info Version", i32 3}71!4 = !{i32 1, !"wchar_size", i32 4}72!5 = !{i32 7, !"uwtable", i32 1}73!6 = !{!"clang version 14.0.0 (/home/meinersbur/src/llvm-project/clang 81189783049d2b93f653c121d3731fd1732a3916)"}74!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !12)75!8 = !DISubroutineType(types: !9)76!9 = !{null, !10, !10}77!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)78!11 = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)79!12 = !{!13, !14, !15}80!13 = !DILocalVariable(name: "A", arg: 1, scope: !7, file: !1, line: 1, type: !10)81!14 = !DILocalVariable(name: "B", arg: 2, scope: !7, file: !1, line: 1, type: !10)82!15 = !DILocalVariable(name: "i", scope: !16, file: !1, line: 2, type: !17)83!16 = distinct !DILexicalBlock(scope: !7, file: !1, line: 2, column: 3)84!17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)85!18 = !DILocation(line: 0, scope: !7)86!19 = !DILocation(line: 0, scope: !16)87!20 = !DILocation(line: 2, column: 8, scope: !16)88!21 = !DILocation(line: 2, column: 21, scope: !22)89!22 = distinct !DILexicalBlock(scope: !16, file: !1, line: 2, column: 3)90!23 = !DILocation(line: 2, column: 3, scope: !16)91!24 = !DILocation(line: 3, column: 12, scope: !25)92!25 = distinct !DILexicalBlock(scope: !22, file: !1, line: 2, column: 33)93!26 = !DILocation(line: 3, column: 5, scope: !25)94!27 = !DILocation(line: 3, column: 10, scope: !25)95!28 = !{!29, !29, i64 0}96!29 = !{!"double", !30, i64 0}97!30 = !{!"omnipotent char", !31, i64 0}98!31 = !{!"Simple C/C++ TBAA"}99!32 = !DILocation(line: 4, column: 15, scope: !25)100!33 = !DILocation(line: 4, column: 12, scope: !25)101!34 = !DILocation(line: 4, column: 5, scope: !25)102!35 = !DILocation(line: 4, column: 10, scope: !25)103!36 = !DILocation(line: 2, column: 28, scope: !22)104!37 = !DILocation(line: 2, column: 3, scope: !22)105!38 = distinct !{!38, !23, !39, !40, !100, !101}106!39 = !DILocation(line: 5, column: 3, scope: !16)107!40 = !{!"llvm.loop.mustprogress"}108!41 = !DILocation(line: 6, column: 1, scope: !7)109!100 = !{!"llvm.loop.distribute.enable"}110!101 = !{!"llvm.loop.distribute.loc", !102}111!102 = !DILocation(line: 1, column: 42, scope: !16)112