| ; RUN: opt %loadPolly -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -analyze < %s 2>&1| FileCheck %s |
| |
| ; void f(int A[]) { |
| ; for(int i=0; i<42; ++i) |
| ; A[i*i] = 0; |
| ; } |
| |
| |
| ; CHECK: remark: ReportNonAffineAccess-01.c:2:7: The following errors keep this region from being a Scop. |
| ; CHECK: remark: ReportNonAffineAccess-01.c:3:5: The array subscript of "A" is not affine |
| ; CHECK: remark: ReportNonAffineAccess-01.c:3:5: Invalid Scop candidate ends here. |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @f(i32* %A) !dbg !4 { |
| entry: |
| br label %entry.split |
| |
| entry.split: ; preds = %entry |
| tail call void @llvm.dbg.value(metadata i32* %A, i64 0, metadata !13, metadata !DIExpression()), !dbg !14 |
| tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !DIExpression()), !dbg !18 |
| br label %for.body, !dbg !19 |
| |
| for.body: ; preds = %entry.split, %for.body |
| %0 = phi i32 [ 0, %entry.split ], [ %1, %for.body ], !dbg !20 |
| %mul = mul nsw i32 %0, %0, !dbg !20 |
| %idxprom1 = zext i32 %mul to i64, !dbg !20 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom1, !dbg !20 |
| store i32 0, i32* %arrayidx, align 4, !dbg !20 |
| %1 = add nsw i32 %0, 1, !dbg !21 |
| tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !16, metadata !DIExpression()), !dbg !18 |
| %exitcond = icmp ne i32 %1, 42, !dbg !19 |
| br i1 %exitcond, label %for.body, label %for.end, !dbg !19 |
| |
| for.end: ; preds = %for.body |
| ret void, !dbg !22 |
| } |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) |
| |
| declare void @llvm.dbg.value(metadata, i64, metadata, metadata) |
| |
| 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" } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!10, !11} |
| !llvm.ident = !{!12} |
| |
| !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) |
| !1 = !DIFile(filename: "ReportNonAffineAccess-01.c", directory: "test/ScopDetectionDiagnostic/") |
| !2 = !{} |
| !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) |
| !5 = !DIFile(filename: "ReportNonAffineAccess-01.c", directory: "test/ScopDetectionDiagnostic/") |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{null, !8} |
| !8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9) |
| !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !10 = !{i32 2, !"Dwarf Version", i32 4} |
| !11 = !{i32 2, !"Debug Info Version", i32 3} |
| !12 = !{!"clang version 3.6.0 "} |
| !13 = !DILocalVariable(name: "A", line: 1, arg: 1, scope: !4, file: !5, type: !8) |
| !14 = !DILocation(line: 1, column: 12, scope: !4) |
| !15 = !{i32 0} |
| !16 = !DILocalVariable(name: "i", line: 2, scope: !17, file: !5, type: !9) |
| !17 = distinct !DILexicalBlock(line: 2, column: 3, file: !1, scope: !4) |
| !18 = !DILocation(line: 2, column: 11, scope: !17) |
| !19 = !DILocation(line: 2, column: 7, scope: !17) |
| !20 = !DILocation(line: 3, column: 5, scope: !17) |
| !21 = !DILocation(line: 2, column: 22, scope: !17) |
| !22 = !DILocation(line: 4, column: 1, scope: !4) |