forked from OSchip/llvm-project
131 lines
6.4 KiB
LLVM
131 lines
6.4 KiB
LLVM
; RUN: opt %loadPolly -pass-remarks-missed="polly-detect" \
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; RUN: -polly-detect-track-failures -polly-detect -analyze \
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; RUN: -polly-process-unprofitable=false < %s 2>&1| FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; void onlyWrite(float *A) {
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; for (long i = 0; i < 100; i++)
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; A[i] = 0;
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; }
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;
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; void onlyRead(float *A) {
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; for (long i = 0; i < 100; i++)
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; A[i];
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; }
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; CHECK: remark: /tmp/test.c:2:3: The following errors keep this region from being a Scop.
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; CHECK: remark: /tmp/test.c:2:3: No profitable polyhedral optimization found
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; CHECK: remark: /tmp/test.c:3:10: Invalid Scop candidate ends here.
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; CHECK: remark: /tmp/test.c:7:3: The following errors keep this region from being a Scop.
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; CHECK: remark: /tmp/test.c:7:3: No profitable polyhedral optimization found
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; CHECK: remark: /tmp/test.c:8:10: Invalid Scop candidate ends here.
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; Function Attrs: nounwind uwtable
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define void @onlyWrite(float* %A) #0 !dbg !4 {
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entry:
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call void @llvm.dbg.value(metadata float* %A, i64 0, metadata !14, metadata !15), !dbg !16
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call void @llvm.dbg.value(metadata i64 0, i64 0, metadata !17, metadata !15), !dbg !20
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br label %for.cond, !dbg !21
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for.cond: ; preds = %for.inc, %entry
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%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
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%exitcond = icmp ne i64 %i.0, 100, !dbg !22
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br i1 %exitcond, label %for.body, label %for.end, !dbg !22
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for.body: ; preds = %for.cond
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%arrayidx = getelementptr inbounds float, float* %A, i64 %i.0, !dbg !23
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store float 0.000000e+00, float* %arrayidx, align 4, !dbg !25
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br label %for.inc, !dbg !23
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for.inc: ; preds = %for.body
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%inc = add nuw nsw i64 %i.0, 1, !dbg !26
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call void @llvm.dbg.value(metadata i64 %inc, i64 0, metadata !17, metadata !15), !dbg !20
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br label %for.cond, !dbg !27
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for.end: ; preds = %for.cond
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ret void, !dbg !28
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind uwtable
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define void @onlyRead(float* %A) #0 !dbg !10 {
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entry:
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call void @llvm.dbg.value(metadata float* %A, i64 0, metadata !29, metadata !15), !dbg !30
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call void @llvm.dbg.value(metadata i64 0, i64 0, metadata !31, metadata !15), !dbg !33
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br label %for.cond, !dbg !34
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for.cond: ; preds = %for.inc, %entry
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%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
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%exitcond = icmp ne i64 %i.0, 100, !dbg !35
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br i1 %exitcond, label %for.body, label %for.end, !dbg !35
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for.body: ; preds = %for.cond
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%arrayidx = getelementptr inbounds float, float* %A, i64 %i.0, !dbg !36
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%val = load float, float* %arrayidx, align 4, !dbg !38
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br label %for.inc, !dbg !36
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for.inc: ; preds = %for.body
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%inc = add nuw nsw i64 %i.0, 1, !dbg !39
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call void @llvm.dbg.value(metadata i64 %inc, i64 0, metadata !31, metadata !15), !dbg !33
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br label %for.cond, !dbg !40
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for.end: ; preds = %for.cond
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ret void, !dbg !41
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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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" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!11, !12}
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!llvm.ident = !{!13}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.7.0 (llvm/trunk 229257)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "/tmp/test.c", directory: "/home/grosser/Projects/polly/git/tools/polly")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "onlyWrite", line: 1, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
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!5 = !DIFile(filename: "/tmp/test.c", directory: "/home/grosser/Projects/polly/git/tools/polly")
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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: "float", size: 32, align: 32, encoding: DW_ATE_float)
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!10 = distinct !DISubprogram(name: "onlyRead", line: 6, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !6, variables: !2)
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!11 = !{i32 2, !"Dwarf Version", i32 4}
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!12 = !{i32 2, !"Debug Info Version", i32 3}
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!13 = !{!"clang version 3.7.0 (llvm/trunk 229257)"}
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!14 = !DILocalVariable(name: "A", line: 1, arg: 1, scope: !4, file: !5, type: !8)
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!15 = !DIExpression()
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!16 = !DILocation(line: 1, column: 23, scope: !4)
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!17 = !DILocalVariable(name: "i", line: 2, scope: !18, file: !5, type: !19)
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!18 = distinct !DILexicalBlock(line: 2, column: 3, file: !1, scope: !4)
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!19 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
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!20 = !DILocation(line: 2, column: 13, scope: !18)
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!21 = !DILocation(line: 2, column: 8, scope: !18)
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!22 = !DILocation(line: 2, column: 3, scope: !18)
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!23 = !DILocation(line: 3, column: 5, scope: !24)
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!24 = distinct !DILexicalBlock(line: 2, column: 3, file: !1, scope: !18)
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!25 = !DILocation(line: 3, column: 10, scope: !24)
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!26 = !DILocation(line: 2, column: 30, scope: !24)
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!27 = !DILocation(line: 2, column: 3, scope: !24)
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!28 = !DILocation(line: 4, column: 1, scope: !4)
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!29 = !DILocalVariable(name: "A", line: 6, arg: 1, scope: !10, file: !5, type: !8)
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!30 = !DILocation(line: 6, column: 22, scope: !10)
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!31 = !DILocalVariable(name: "i", line: 7, scope: !32, file: !5, type: !19)
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!32 = distinct !DILexicalBlock(line: 7, column: 3, file: !1, scope: !10)
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!33 = !DILocation(line: 7, column: 13, scope: !32)
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!34 = !DILocation(line: 7, column: 8, scope: !32)
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!35 = !DILocation(line: 7, column: 3, scope: !32)
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!36 = !DILocation(line: 8, column: 5, scope: !37)
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!37 = distinct !DILexicalBlock(line: 7, column: 3, file: !1, scope: !32)
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!38 = !DILocation(line: 8, column: 10, scope: !37)
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!39 = !DILocation(line: 7, column: 30, scope: !37)
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!40 = !DILocation(line: 7, column: 3, scope: !37)
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!41 = !DILocation(line: 9, column: 1, scope: !10)
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