test/Transforms/LoopTransformWarning/vectorization-remarks-missed.ll - llvm - Git at Google


            
            ; Legacy pass manager

            
            ; RUN: opt < %s -transform-warning -disable-output -pass-remarks-missed=transform-warning -pass-remarks-analysis=transform-warning 2>&1 | FileCheck %s

            
            ; RUN: opt < %s -transform-warning -disable-output -pass-remarks-output=%t.yaml

            
            ; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s


            ; New pass manager

            
            ; RUN: opt < %s -passes=transform-warning -disable-output -pass-remarks-missed=transform-warning -pass-remarks-analysis=transform-warning 2>&1 | FileCheck %s

            
            ; RUN: opt < %s -passes=transform-warning -disable-output -pass-remarks-output=%t.yaml

            
            ; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s


            ; C/C++ code for tests

            
            ; void test(int *A, int Length) {

            
            ; #pragma clang loop vectorize(enable) interleave(enable)

            
            ;   for (int i = 0; i < Length; i++) {

            
            ;     A[i] = i;

            
            ;     if (A[i] > Length)

            
            ;       break;

            
            ;   }

            
            ; }

            
            ; File, line, and column should match those specified in the metadata

            
            ; CHECK: warning: source.cpp:19:5: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering


            ; YAML:     --- !Failure

            
            ; YAML-NEXT: Pass:            transform-warning

            
            ; YAML-NEXT: Name:            FailedRequestedVectorization

            
            ; YAML-NEXT: DebugLoc:        { File: source.cpp, Line: 19, Column: 5 }

            
            ; YAML-NEXT: Function:        _Z17test_array_boundsPiS_i

            
            ; YAML-NEXT: Args:

            
            ; YAML-NEXT:   - String:          'loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering'

            
            ; YAML-NEXT: ...


            target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"


            define void @_Z17test_array_boundsPiS_i(i32* nocapture %A, i32* nocapture readonly %B, i32 %Length) !dbg !8 {

            
            entry:

            
              %cmp9 = icmp sgt i32 %Length, 0, !dbg !32

            
              br i1 %cmp9, label %for.body.preheader, label %for.end, !dbg !32, !llvm.loop !34


            for.body.preheader:

            
              br label %for.body, !dbg !35


            for.body:

            
              %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]

            
              %arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv, !dbg !35

            
              %0 = load i32, i32* %arrayidx, align 4, !dbg !35, !tbaa !18

            
              %idxprom1 = sext i32 %0 to i64, !dbg !35

            
              %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %idxprom1, !dbg !35

            
              %1 = load i32, i32* %arrayidx2, align 4, !dbg !35, !tbaa !18

            
              %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv, !dbg !35

            
              store i32 %1, i32* %arrayidx4, align 4, !dbg !35, !tbaa !18

            
              %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !32

            
              %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !32

            
              %exitcond = icmp eq i32 %lftr.wideiv, %Length, !dbg !32

            
              br i1 %exitcond, label %for.end.loopexit, label %for.body, !dbg !32, !llvm.loop !34


            for.end.loopexit:

            
              br label %for.end


            for.end:

            
              ret void, !dbg !36

            
            }


            !llvm.dbg.cu = !{!0}

            
            !llvm.module.flags = !{!9, !10}

            
            !llvm.ident = !{!11}


            !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0", isOptimized: true, runtimeVersion: 6, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)

            
            !1 = !DIFile(filename: "source.cpp", directory: ".")

            
            !2 = !{}

            
            !4 = distinct !DISubprogram(name: "test", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)

            
            !5 = !DIFile(filename: "source.cpp", directory: ".")

            
            !6 = !DISubroutineType(types: !2)

            
            !7 = distinct !DISubprogram(name: "test_disabled", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 10, file: !1, scope: !5, type: !6, retainedNodes: !2)

            
            !8 = distinct !DISubprogram(name: "test_array_bounds", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 16, file: !1, scope: !5, type: !6, retainedNodes: !2)

            
            !9 = !{i32 2, !"Dwarf Version", i32 2}

            
            !10 = !{i32 2, !"Debug Info Version", i32 3}

            
            !11 = !{!"clang version 3.5.0"}

            
            !12 = !DILocation(line: 3, column: 8, scope: !13)

            
            !13 = distinct !DILexicalBlock(line: 3, column: 3, file: !1, scope: !4)

            
            !14 = !{!14, !15, !15}

            
            !15 = !{!"llvm.loop.vectorize.enable", i1 true}

            
            !16 = !DILocation(line: 4, column: 5, scope: !17)

            
            !17 = distinct !DILexicalBlock(line: 3, column: 36, file: !1, scope: !13)

            
            !18 = !{!19, !19, i64 0}

            
            !19 = !{!"int", !20, i64 0}

            
            !20 = !{!"omnipotent char", !21, i64 0}

            
            !21 = !{!"Simple C/C++ TBAA"}

            
            !22 = !DILocation(line: 5, column: 9, scope: !23)

            
            !23 = distinct !DILexicalBlock(line: 5, column: 9, file: !1, scope: !17)

            
            !24 = !DILocation(line: 8, column: 1, scope: !4)

            
            !25 = !DILocation(line: 12, column: 8, scope: !26)

            
            !26 = distinct !DILexicalBlock(line: 12, column: 3, file: !1, scope: !7)

            
            !27 = !{!27, !28, !29}

            
            !28 = !{!"llvm.loop.interleave.count", i32 1}

            
            !29 = !{!"llvm.loop.vectorize.width", i32 1}

            
            !30 = !DILocation(line: 13, column: 5, scope: !26)

            
            !31 = !DILocation(line: 14, column: 1, scope: !7)

            
            !32 = !DILocation(line: 18, column: 8, scope: !33)

            
            !33 = distinct !DILexicalBlock(line: 18, column: 3, file: !1, scope: !8)

            
            !34 = !{!34, !15}

            
            !35 = !DILocation(line: 19, column: 5, scope: !33)

            
            !36 = !DILocation(line: 20, column: 1, scope: !8)

            
            !37 = distinct !DILexicalBlock(line: 24, column: 3, file: !1, scope: !46)

            
            !38 = !DILocation(line: 27, column: 3, scope: !37)

            
            !39 = !DILocation(line: 31, column: 3, scope: !37)

            
            !40 = !DILocation(line: 28, column: 9, scope: !37)

            
            !41 = !DILocation(line: 29, column: 11, scope: !37)

            
            !42 = !DILocation(line: 29, column: 7, scope: !37)

            
            !43 = !DILocation(line: 27, column: 32, scope: !37)

            
            !44 = !DILocation(line: 27, column: 30, scope: !37)

            
            !45 = !DILocation(line: 27, column: 21, scope: !37)

            
            !46 = distinct !DISubprogram(name: "test_multiple_failures", line: 26, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 26, file: !1, scope: !5, type: !6, retainedNodes: !2)
	; Legacy pass manager
	; RUN: opt < %s -transform-warning -disable-output -pass-remarks-missed=transform-warning -pass-remarks-analysis=transform-warning 2>&1 \| FileCheck %s
	; RUN: opt < %s -transform-warning -disable-output -pass-remarks-output=%t.yaml
	; RUN: cat %t.yaml \| FileCheck -check-prefix=YAML %s

	; New pass manager
	; RUN: opt < %s -passes=transform-warning -disable-output -pass-remarks-missed=transform-warning -pass-remarks-analysis=transform-warning 2>&1 \| FileCheck %s
	; RUN: opt < %s -passes=transform-warning -disable-output -pass-remarks-output=%t.yaml
	; RUN: cat %t.yaml \| FileCheck -check-prefix=YAML %s


	; C/C++ code for tests
	; void test(int *A, int Length) {
	; #pragma clang loop vectorize(enable) interleave(enable)
	; for (int i = 0; i < Length; i++) {
	; A[i] = i;
	; if (A[i] > Length)
	; break;
	; }
	; }
	; File, line, and column should match those specified in the metadata
	; CHECK: warning: source.cpp:19:5: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering

	; YAML: --- !Failure
	; YAML-NEXT: Pass: transform-warning
	; YAML-NEXT: Name: FailedRequestedVectorization
	; YAML-NEXT: DebugLoc: { File: source.cpp, Line: 19, Column: 5 }
	; YAML-NEXT: Function: _Z17test_array_boundsPiS_i
	; YAML-NEXT: Args:
	; YAML-NEXT: - String: 'loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering'
	; YAML-NEXT: ...

	target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"

	define void @_Z17test_array_boundsPiS_i(i32* nocapture %A, i32* nocapture readonly %B, i32 %Length) !dbg !8 {
	entry:
	%cmp9 = icmp sgt i32 %Length, 0, !dbg !32
	br i1 %cmp9, label %for.body.preheader, label %for.end, !dbg !32, !llvm.loop !34

	for.body.preheader:
	br label %for.body, !dbg !35

	for.body:
	%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
	%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv, !dbg !35
	%0 = load i32, i32* %arrayidx, align 4, !dbg !35, !tbaa !18
	%idxprom1 = sext i32 %0 to i64, !dbg !35
	%arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %idxprom1, !dbg !35
	%1 = load i32, i32* %arrayidx2, align 4, !dbg !35, !tbaa !18
	%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv, !dbg !35
	store i32 %1, i32* %arrayidx4, align 4, !dbg !35, !tbaa !18
	%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !32
	%lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !32
	%exitcond = icmp eq i32 %lftr.wideiv, %Length, !dbg !32
	br i1 %exitcond, label %for.end.loopexit, label %for.body, !dbg !32, !llvm.loop !34

	for.end.loopexit:
	br label %for.end

	for.end:
	ret void, !dbg !36
	}

	!llvm.dbg.cu = !{!0}
	!llvm.module.flags = !{!9, !10}
	!llvm.ident = !{!11}

	!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0", isOptimized: true, runtimeVersion: 6, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
	!1 = !DIFile(filename: "source.cpp", directory: ".")
	!2 = !{}
	!4 = distinct !DISubprogram(name: "test", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
	!5 = !DIFile(filename: "source.cpp", directory: ".")
	!6 = !DISubroutineType(types: !2)
	!7 = distinct !DISubprogram(name: "test_disabled", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 10, file: !1, scope: !5, type: !6, retainedNodes: !2)
	!8 = distinct !DISubprogram(name: "test_array_bounds", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 16, file: !1, scope: !5, type: !6, retainedNodes: !2)
	!9 = !{i32 2, !"Dwarf Version", i32 2}
	!10 = !{i32 2, !"Debug Info Version", i32 3}
	!11 = !{!"clang version 3.5.0"}
	!12 = !DILocation(line: 3, column: 8, scope: !13)
	!13 = distinct !DILexicalBlock(line: 3, column: 3, file: !1, scope: !4)
	!14 = !{!14, !15, !15}
	!15 = !{!"llvm.loop.vectorize.enable", i1 true}
	!16 = !DILocation(line: 4, column: 5, scope: !17)
	!17 = distinct !DILexicalBlock(line: 3, column: 36, file: !1, scope: !13)
	!18 = !{!19, !19, i64 0}
	!19 = !{!"int", !20, i64 0}
	!20 = !{!"omnipotent char", !21, i64 0}
	!21 = !{!"Simple C/C++ TBAA"}
	!22 = !DILocation(line: 5, column: 9, scope: !23)
	!23 = distinct !DILexicalBlock(line: 5, column: 9, file: !1, scope: !17)
	!24 = !DILocation(line: 8, column: 1, scope: !4)
	!25 = !DILocation(line: 12, column: 8, scope: !26)
	!26 = distinct !DILexicalBlock(line: 12, column: 3, file: !1, scope: !7)
	!27 = !{!27, !28, !29}
	!28 = !{!"llvm.loop.interleave.count", i32 1}
	!29 = !{!"llvm.loop.vectorize.width", i32 1}
	!30 = !DILocation(line: 13, column: 5, scope: !26)
	!31 = !DILocation(line: 14, column: 1, scope: !7)
	!32 = !DILocation(line: 18, column: 8, scope: !33)
	!33 = distinct !DILexicalBlock(line: 18, column: 3, file: !1, scope: !8)
	!34 = !{!34, !15}
	!35 = !DILocation(line: 19, column: 5, scope: !33)
	!36 = !DILocation(line: 20, column: 1, scope: !8)
	!37 = distinct !DILexicalBlock(line: 24, column: 3, file: !1, scope: !46)
	!38 = !DILocation(line: 27, column: 3, scope: !37)
	!39 = !DILocation(line: 31, column: 3, scope: !37)
	!40 = !DILocation(line: 28, column: 9, scope: !37)
	!41 = !DILocation(line: 29, column: 11, scope: !37)
	!42 = !DILocation(line: 29, column: 7, scope: !37)
	!43 = !DILocation(line: 27, column: 32, scope: !37)
	!44 = !DILocation(line: 27, column: 30, scope: !37)
	!45 = !DILocation(line: 27, column: 21, scope: !37)
	!46 = distinct !DISubprogram(name: "test_multiple_failures", line: 26, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 26, file: !1, scope: !5, type: !6, retainedNodes: !2)