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llvm-project/polly/test/ScopDetectionDiagnostics/ReportMultipleNonAffineAcce...

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; RUN: opt %loadPolly -basicaa -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -analyze < %s 2>&1| FileCheck %s
; RUN: opt %loadPolly -basicaa -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -polly-detect-keep-going -analyze < %s 2>&1| FileCheck %s -check-prefix=ALL
; RUN: opt %loadPolly -basicaa -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -polly-delinearize -analyze < %s 2>&1| FileCheck %s -check-prefix=DELIN
; RUN: opt %loadPolly -basicaa -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -polly-delinearize -polly-detect-keep-going -analyze < %s 2>&1| FileCheck %s -check-prefix=DELIN-ALL
; RUN: opt %loadPolly -basicaa -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -polly-allow-nonaffine -analyze < %s 2>&1| FileCheck %s -check-prefix=NONAFFINE
; RUN: opt %loadPolly -basicaa -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -polly-delinearize -polly-allow-nonaffine -analyze < %s 2>&1| FileCheck %s -check-prefix=NONAFFINE
; 1 void manyaccesses(float A[restrict], long n, float B[restrict][n])
; 2 {
; 3 for (long i = 0; i < 1024; ++i) {
; 4 float a1 = A[2 * i * i];
; 5 float a2 = A[2 * i * i + 1];
; 6 float b1 = B[0][0];
; 7 float b2 = B[i][i];
; 8 float b3 = B[i * i][i];
; 9 float b4 = B[i][0];
; 10 float b5 = B[0][i];
; 11 float b6 = B[0][i*i];
; 12
; 13 A[i * i] = a1 + a2 + b1 + b2 + b3 + b4 + b5 + b6;
; 14 }
; 15 }
; CHECK: remark: /tmp/test.c:3:20: The following errors keep this region from being a Scop.
; CHECK-NEXT: remark: /tmp/test.c:4:16: The array subscript of "A" is not affine
; CHECK-NEXT: remark: /tmp/test.c:13:51: Invalid Scop candidate ends here.
; ALL: remark: /tmp/test.c:3:20: The following errors keep this region from being a Scop.
; ALL-NEXT: remark: /tmp/test.c:4:16: The array subscript of "A" is not affine
; ALL-NEXT: remark: /tmp/test.c:5:16: The array subscript of "A" is not affine
; -> B[0][0] is affine
; ALL-NEXT: remark: /tmp/test.c:7:16: The array subscript of "B" is not affine
; ALL-NEXT: remark: /tmp/test.c:8:16: The array subscript of "B" is not affine
; ALL-NEXT: remark: /tmp/test.c:9:16: The array subscript of "B" is not affine
; -> B[0][i] is affine
; ALL-NEXT: remark: /tmp/test.c:11:16: The array subscript of "B" is not affine
; ALL-NEXT: remark: /tmp/test.c:13:5: The array subscript of "A" is not affine
; ALL-NEXT: remark: /tmp/test.c:13:51: Invalid Scop candidate ends here.
; DELIN: remark: /tmp/test.c:3:20: The following errors keep this region from being a Scop.
; DELIN-NEXT: remark: /tmp/test.c:4:16: The array subscript of "A" is not affine
; DELIN-NEXT: remark: /tmp/test.c:13:51: Invalid Scop candidate ends here.
; DELIN-ALL: remark: /tmp/test.c:3:20: The following errors keep this region from being a Scop.
; DELIN-ALL-NEXT: remark: /tmp/test.c:4:16: The array subscript of "A" is not affine
; DELIN-ALL-NEXT: remark: /tmp/test.c:5:16: The array subscript of "A" is not affine
; DELIN-ALL-NEXT: remark: /tmp/test.c:13:5: The array subscript of "A" is not affine
; -> B[0][0] is affine if delinearized
; -> B[i][i] is affine if delinearized
; DELIN-ALL-NEXT: remark: /tmp/test.c:8:16: The array subscript of "B" is not affine
; -> B[i][0] is affine if delinearized
; -> B[0][i] is affine if delinearized
; DELIN-ALL-NEXT: remark: /tmp/test.c:11:16: The array subscript of "B" is not affine
; DELIN-ALL-NEXT: remark: /tmp/test.c:13:51: Invalid Scop candidate ends here.
; NONAFFINE-NOT: remark: The following errors keep this region from being a Scop.
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @manyaccesses(float* noalias %A, i64 %n, float* noalias %B) {
entry:
br label %entry.split
entry.split: ; preds = %entry
%tmp = add i64 %n, 1, !dbg !10
br label %for.body, !dbg !10
for.body: ; preds = %entry.split, %for.body
%tmp3 = phi i64 [ 0, %entry.split ], [ %tmp14, %for.body ], !dbg !15
%mul = mul i64 %tmp3, 2, !dbg !17
%tmp4 = mul i64 %tmp, %tmp3, !dbg !18
%arrayidx8 = getelementptr float* %B, i64 %tmp4, !dbg !19
%mul9 = mul i64 %n, %tmp3, !dbg !15
%arrayidx12 = getelementptr float* %B, i64 %mul9, !dbg !20
%arrayidx15 = getelementptr float* %B, i64 %tmp3, !dbg !21
%mul1 = mul nsw i64 %mul, %tmp3, !dbg !17
%arrayidx = getelementptr inbounds float* %A, i64 %mul1, !dbg !22
%tmp5 = load float* %arrayidx, align 4, !dbg !22
%mul3 = mul nsw i64 %mul, %tmp3, !dbg !27
%add1 = or i64 %mul3, 1, !dbg !27
%arrayidx4 = getelementptr inbounds float* %A, i64 %add1, !dbg !28
%tmp6 = load float* %arrayidx4, align 4, !dbg !28
%tmp7 = load float* %B, align 4, !dbg !29
%tmp8 = load float* %arrayidx8, align 4, !dbg !19
%tmp9 = mul i64 %mul9, %tmp3, !dbg !15
%arrayidx10.sum = add i64 %tmp9, %tmp3, !dbg !15
%arrayidx11 = getelementptr inbounds float* %B, i64 %arrayidx10.sum, !dbg !15
%tmp10 = load float* %arrayidx11, align 4, !dbg !15
%tmp11 = load float* %arrayidx12, align 4, !dbg !20
%tmp12 = load float* %arrayidx15, align 4, !dbg !21
%mul16 = mul nsw i64 %tmp3, %tmp3, !dbg !30
%arrayidx18 = getelementptr inbounds float* %B, i64 %mul16, !dbg !31
%tmp13 = load float* %arrayidx18, align 4, !dbg !31
%add19 = fadd float %tmp5, %tmp6, !dbg !32
%add20 = fadd float %add19, %tmp7, !dbg !33
%add21 = fadd float %add20, %tmp8, !dbg !34
%add22 = fadd float %add21, %tmp10, !dbg !35
%add23 = fadd float %add22, %tmp11, !dbg !36
%add24 = fadd float %add23, %tmp12, !dbg !37
%add25 = fadd float %add24, %tmp13, !dbg !38
%mul26 = mul nsw i64 %tmp3, %tmp3, !dbg !39
%arrayidx27 = getelementptr inbounds float* %A, i64 %mul26, !dbg !40
store float %add25, float* %arrayidx27, align 4, !dbg !40
%tmp14 = add nsw i64 %tmp3, 1, !dbg !41
%exitcond = icmp ne i64 %tmp14, 1024, !dbg !10
br i1 %exitcond, label %for.body, label %for.end, !dbg !10
for.end: ; preds = %for.body
ret void, !dbg !42
}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!7, !8}
!llvm.ident = !{!9}
!0 = !{!"0x11\0012\00clang version 3.6.0 \001\00\000\00\002", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/home/grosser/Projects/polly/git/tools/polly/test//tmp/test.c] [DW_LANG_C99]
!1 = !{!"/tmp/test.c", !"/home/grosser/Projects/polly/git/tools/polly/test"}
!2 = !{}
!3 = !{!4}
!4 = !{!"0x2e\00manyaccesses\00manyaccesses\00\001\000\001\000\006\00256\001\002", !1, !5, !6, null, void (float*, i64, float*)* @manyaccesses, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [scope 2] [manyaccesses]
!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/home/grosser/Projects/polly/git/tools/polly/test//tmp/test.c]
!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!7 = !{i32 2, !"Dwarf Version", i32 4}
!8 = !{i32 2, !"Debug Info Version", i32 2}
!9 = !{!"clang version 3.6.0 "}
!10 = !MDLocation(line: 3, column: 20, scope: !11)
!11 = !{!"0xb\002", !1, !12} ; [ DW_TAG_lexical_block ] [/home/grosser/Projects/polly/git/tools/polly/test//tmp/test.c]
!12 = !{!"0xb\001", !1, !13} ; [ DW_TAG_lexical_block ] [/home/grosser/Projects/polly/git/tools/polly/test//tmp/test.c]
!13 = !{!"0xb\003\003\001", !1, !14} ; [ DW_TAG_lexical_block ] [/home/grosser/Projects/polly/git/tools/polly/test//tmp/test.c]
!14 = !{!"0xb\003\003\000", !1, !4} ; [ DW_TAG_lexical_block ] [/home/grosser/Projects/polly/git/tools/polly/test//tmp/test.c]
!15 = !MDLocation(line: 8, column: 16, scope: !16)
!16 = !{!"0xb\003\0035\002", !1, !13} ; [ DW_TAG_lexical_block ] [/home/grosser/Projects/polly/git/tools/polly/test//tmp/test.c]
!17 = !MDLocation(line: 4, column: 26, scope: !16)
!18 = !MDLocation(line: 4, column: 22, scope: !16)
!19 = !MDLocation(line: 7, column: 16, scope: !16)
!20 = !MDLocation(line: 9, column: 16, scope: !16)
!21 = !MDLocation(line: 10, column: 16, scope: !16)
!22 = !MDLocation(line: 4, column: 16, scope: !16)
!27 = !MDLocation(line: 5, column: 26, scope: !16)
!28 = !MDLocation(line: 5, column: 16, scope: !16)
!29 = !MDLocation(line: 6, column: 16, scope: !16)
!30 = !MDLocation(line: 11, column: 23, scope: !16) ; [ DW_TAG_lexical_block ] [/]
!31 = !MDLocation(line: 11, column: 16, scope: !16) ; [ DW_TAG_lexical_block ] [/]
!32 = !MDLocation(line: 13, column: 21, scope: !16)
!33 = !MDLocation(line: 13, column: 26, scope: !16)
!34 = !MDLocation(line: 13, column: 31, scope: !16)
!35 = !MDLocation(line: 13, column: 36, scope: !16)
!36 = !MDLocation(line: 13, column: 41, scope: !16)
!37 = !MDLocation(line: 13, column: 46, scope: !16)
!38 = !MDLocation(line: 13, column: 51, scope: !16)
!39 = !MDLocation(line: 13, column: 11, scope: !16)
!40 = !MDLocation(line: 13, column: 5, scope: !16)
!41 = !MDLocation(line: 3, column: 30, scope: !13)
!42 = !MDLocation(line: 15, column: 1, scope: !4)
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