| ; 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" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @f(i32* %A) { |
| entry: |
| br label %entry.split |
| |
| entry.split: ; preds = %entry |
| tail call void @llvm.dbg.value(metadata i32* %A, i64 0, metadata !13), !dbg !14 |
| tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16), !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* %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), !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) |
| |
| declare void @llvm.dbg.value(metadata, i64, metadata) |
| |
| attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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 = !{!"0x11\0012\00clang version 3.6.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [test/ScopDetectionDiagnostic/ReportNonAffineAccess-01.c] [DW_LANG_C99] |
| !1 = !{!"ReportNonAffineAccess-01.c", !"test/ScopDetectionDiagnostic/"} |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !{!"0x2e\00f\00f\00\001\000\001\000\006\00256\000\001", !1, !5, !6, null, void (i32*)* @f, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [f] |
| !5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [test/ScopDetectionDiagnostic/ReportNonAffineAccess-01.c] |
| !6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !7 = !{null, !8} |
| !8 = !{!"0xf\00\000\0064\0064\000\000", null, null, !9} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int] |
| !9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] |
| !10 = !{i32 2, !"Dwarf Version", i32 4} |
| !11 = !{i32 2, !"Debug Info Version", i32 2} |
| !12 = !{!"clang version 3.6.0 "} |
| !13 = !{!"0x101\00A\0016777217\000", !4, !5, !8} ; [ DW_TAG_arg_variable ] [A] [line 1] |
| !14 = !MDLocation(line: 1, column: 12, scope: !4) |
| !15 = !{i32 0} |
| !16 = !{!"0x100\00i\002\000", !17, !5, !9} ; [ DW_TAG_auto_variable ] [i] [line 2] |
| !17 = !{!"0xb\002\003\000", !1, !4} ; [ DW_TAG_lexical_block ] [test/ScopDetectionDiagnostic/ReportNonAffineAccess-01.c] |
| !18 = !MDLocation(line: 2, column: 11, scope: !17) |
| !19 = !MDLocation(line: 2, column: 7, scope: !17) |
| !20 = !MDLocation(line: 3, column: 5, scope: !17) |
| !21 = !MDLocation(line: 2, column: 22, scope: !17) |
| !22 = !MDLocation(line: 4, column: 1, scope: !4) |