Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopVectorize/no_switch.ll

@@ -1,93 +0,0 @@
-; RUN: opt < %s -loop-vectorize -force-vector-width=4 -S 2>&1 | FileCheck %s
-; RUN: opt < %s -loop-vectorize -force-vector-width=1 -S 2>&1 | FileCheck %s -check-prefix=NOANALYSIS
-; RUN: opt < %s -loop-vectorize -force-vector-width=4 -pass-remarks-missed='loop-vectorize' -S 2>&1 | FileCheck %s -check-prefix=MOREINFO
-
-; CHECK: remark: source.cpp:4:5: loop not vectorized: loop contains a switch statement
-; CHECK: warning: source.cpp:4:5: loop not vectorized: failed explicitly specified loop vectorization
-
-; NOANALYSIS-NOT: remark: {{.*}}
-; NOANALYSIS: warning: source.cpp:4:5: loop not interleaved: failed explicitly specified loop interleaving
-
-; MOREINFO: remark: source.cpp:4:5: loop not vectorized: loop contains a switch statement
-; MOREINFO: remark: source.cpp:4:5: loop not vectorized (Force=true, Vector Width=4)
-; MOREINFO: warning: source.cpp:4:5: loop not vectorized: failed explicitly specified loop vectorization
-
-; CHECK: _Z11test_switchPii
-; CHECK-NOT: x i32>
-; CHECK: ret
-
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-
-; Function Attrs: nounwind optsize ssp uwtable
-define void @_Z11test_switchPii(i32* nocapture %A, i32 %Length) #0 !dbg !4 {
-entry:
-  %cmp18 = icmp sgt i32 %Length, 0, !dbg !10
-  br i1 %cmp18, label %for.body.preheader, label %for.end, !dbg !10, !llvm.loop !12
-
-for.body.preheader:                               ; preds = %entry
-  br label %for.body, !dbg !14
-
-for.body:                                         ; preds = %for.body.preheader, %for.inc
-  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.body.preheader ]
-  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv, !dbg !14
-  %0 = load i32, i32* %arrayidx, align 4, !dbg !14, !tbaa !16
-  switch i32 %0, label %for.inc [
-    i32 0, label %sw.bb
-    i32 1, label %sw.bb3
-  ], !dbg !14
-
-sw.bb:                                            ; preds = %for.body
-  %1 = trunc i64 %indvars.iv to i32, !dbg !20
-  %mul = shl nsw i32 %1, 1, !dbg !20
-  br label %for.inc, !dbg !22
-
-sw.bb3:                                           ; preds = %for.body
-  %2 = trunc i64 %indvars.iv to i32, !dbg !23
-  store i32 %2, i32* %arrayidx, align 4, !dbg !23, !tbaa !16
-  br label %for.inc, !dbg !23
-
-for.inc:                                          ; preds = %sw.bb3, %for.body, %sw.bb
-  %storemerge = phi i32 [ %mul, %sw.bb ], [ 0, %for.body ], [ 0, %sw.bb3 ]
-  store i32 %storemerge, i32* %arrayidx, align 4, !dbg !20, !tbaa !16
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !10
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !10
-  %exitcond = icmp eq i32 %lftr.wideiv, %Length, !dbg !10
-  br i1 %exitcond, label %for.end.loopexit, label %for.body, !dbg !10, !llvm.loop !12
-
-for.end.loopexit:                                 ; preds = %for.inc
-  br label %for.end
-
-for.end:                                          ; preds = %for.end.loopexit, %entry
-  ret void, !dbg !24
-}
-
-attributes #0 = { nounwind }
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!7, !8}
-!llvm.ident = !{!9}
-
-!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_switch", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
-!5 = !DIFile(filename: "source.cpp", directory: ".")
-!6 = !DISubroutineType(types: !2)
-!7 = !{i32 2, !"Dwarf Version", i32 2}
-!8 = !{i32 2, !"Debug Info Version", i32 3}
-!9 = !{!"clang version 3.5.0"}
-!10 = !DILocation(line: 3, column: 8, scope: !11)
-!11 = distinct !DILexicalBlock(line: 3, column: 3, file: !1, scope: !4)
-!12 = !{!12, !13, !13}
-!13 = !{!"llvm.loop.vectorize.enable", i1 true}
-!14 = !DILocation(line: 4, column: 5, scope: !15)
-!15 = distinct !DILexicalBlock(line: 3, column: 36, file: !1, scope: !11)
-!16 = !{!17, !17, i64 0}
-!17 = !{!"int", !18, i64 0}
-!18 = !{!"omnipotent char", !19, i64 0}
-!19 = !{!"Simple C/C++ TBAA"}
-!20 = !DILocation(line: 6, column: 7, scope: !21)
-!21 = distinct !DILexicalBlock(line: 4, column: 18, file: !1, scope: !15)
-!22 = !DILocation(line: 7, column: 5, scope: !21)
-!23 = !DILocation(line: 9, column: 7, scope: !21)
-!24 = !DILocation(line: 14, column: 1, scope: !4)