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https://github.com/capstone-engine/llvm-capstone.git
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72 lines
3.5 KiB
LLVM
72 lines
3.5 KiB
LLVM
; RUN: opt %loadPolly -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -analyze < %s 2>&1| FileCheck %s
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; void f(int A[]) {
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; for(int i=0; i<42; ++i)
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; A[i*i] = 0;
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; }
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; CHECK: remark: ReportNonAffineAccess-01.c:2:7: The following errors keep this region from being a Scop.
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; CHECK: remark: ReportNonAffineAccess-01.c:3:5: The array subscript of "A" is not affine
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; CHECK: remark: ReportNonAffineAccess-01.c:3:5: Invalid Scop candidate ends here.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @f(i32* %A) !dbg !4 {
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entry:
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br label %entry.split
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entry.split: ; preds = %entry
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tail call void @llvm.dbg.value(metadata i32* %A, i64 0, metadata !13, metadata !DIExpression()), !dbg !14
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tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !DIExpression()), !dbg !18
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br label %for.body, !dbg !19
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for.body: ; preds = %entry.split, %for.body
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%0 = phi i32 [ 0, %entry.split ], [ %1, %for.body ], !dbg !20
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%mul = mul nsw i32 %0, %0, !dbg !20
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%idxprom1 = zext i32 %mul to i64, !dbg !20
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom1, !dbg !20
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store i32 0, i32* %arrayidx, align 4, !dbg !20
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%1 = add nsw i32 %0, 1, !dbg !21
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tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !16, metadata !DIExpression()), !dbg !18
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%exitcond = icmp ne i32 %1, 42, !dbg !19
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br i1 %exitcond, label %for.body, label %for.end, !dbg !19
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for.end: ; preds = %for.body
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ret void, !dbg !22
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!10, !11}
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!llvm.ident = !{!12}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "ReportNonAffineAccess-01.c", directory: "test/ScopDetectionDiagnostic/")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
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!5 = !DIFile(filename: "ReportNonAffineAccess-01.c", directory: "test/ScopDetectionDiagnostic/")
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!6 = !DISubroutineType(types: !7)
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!7 = !{null, !8}
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!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9)
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!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{!"clang version 3.6.0 "}
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!13 = !DILocalVariable(name: "A", line: 1, arg: 1, scope: !4, file: !5, type: !8)
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!14 = !DILocation(line: 1, column: 12, scope: !4)
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!15 = !{i32 0}
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!16 = !DILocalVariable(name: "i", line: 2, scope: !17, file: !5, type: !9)
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!17 = distinct !DILexicalBlock(line: 2, column: 3, file: !1, scope: !4)
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!18 = !DILocation(line: 2, column: 11, scope: !17)
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!19 = !DILocation(line: 2, column: 7, scope: !17)
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!20 = !DILocation(line: 3, column: 5, scope: !17)
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!21 = !DILocation(line: 2, column: 22, scope: !17)
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!22 = !DILocation(line: 4, column: 1, scope: !4)
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