diff options
Diffstat (limited to 'llvm/test/Transforms/LoopSimplify/do-preheader-dbg.ll')
| -rwxr-xr-x | llvm/test/Transforms/LoopSimplify/do-preheader-dbg.ll | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/llvm/test/Transforms/LoopSimplify/do-preheader-dbg.ll b/llvm/test/Transforms/LoopSimplify/do-preheader-dbg.ll index 7cacc49cd80..e69de29bb2d 100755 --- a/llvm/test/Transforms/LoopSimplify/do-preheader-dbg.ll +++ b/llvm/test/Transforms/LoopSimplify/do-preheader-dbg.ll @@ -1,122 +0,0 @@ -; Confirm that the line number for the do.body.preheader block -; branch is the the start of the loop. - -; RUN: opt -simplifycfg -loop-simplify -keep-loops="false" -S <%s | FileCheck %s - -; CHECK: do.body.preheader: -; CHECK-NEXT: phi -; CHECK-NEXT: phi -; CHECK-NEXT: br label %do.body, !dbg ![[DL:[0-9]+]] -; CHECK: ![[DL]] = !DILocation(line: 4, - -; This IR can be generated by running: -; clang src.cpp -O2 -g -S -emit-llvm -mllvm -opt-bisect-limit=62 -o - -; -; Where src.cpp contains: -; int foo(char *Bytes, int Count) -; { -; int Total = 0; -; do -; Total += Bytes[--Count]; -; while (Count); -; return Total; -; } - -define dso_local i32 @"foo"(i8* nocapture readonly %Bytes, i32 %Count) local_unnamed_addr !dbg !8 { -entry: - %0 = sext i32 %Count to i64, !dbg !10 - %min.iters.check = icmp ult i32 %Count, 8, !dbg !10 - br i1 %min.iters.check, label %do.body.preheader, label %vector.ph, !dbg !10 - -vector.ph: ; preds = %entry - %n.vec = and i64 %0, -8, !dbg !10 - %ind.end = sub nsw i64 %0, %n.vec, !dbg !10 - br label %vector.body, !dbg !10 - -vector.body: ; preds = %vector.body, %vector.ph - %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] - %vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %11, %vector.body ] - %vec.phi5 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %12, %vector.body ] - %1 = xor i64 %index, -1, !dbg !11 - %2 = add i64 %1, %0, !dbg !11 - %3 = getelementptr inbounds i8, i8* %Bytes, i64 %2, !dbg !11 - %4 = getelementptr inbounds i8, i8* %3, i64 -3, !dbg !11 - %5 = bitcast i8* %4 to <4 x i8>*, !dbg !11 - %wide.load = load <4 x i8>, <4 x i8>* %5, align 1, !dbg !11, !tbaa !12 - %reverse = shufflevector <4 x i8> %wide.load, <4 x i8> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>, !dbg !11 - %6 = getelementptr inbounds i8, i8* %3, i64 -4, !dbg !11 - %7 = getelementptr inbounds i8, i8* %6, i64 -3, !dbg !11 - %8 = bitcast i8* %7 to <4 x i8>*, !dbg !11 - %wide.load6 = load <4 x i8>, <4 x i8>* %8, align 1, !dbg !11, !tbaa !12 - %reverse7 = shufflevector <4 x i8> %wide.load6, <4 x i8> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>, !dbg !11 - %9 = sext <4 x i8> %reverse to <4 x i32>, !dbg !11 - %10 = sext <4 x i8> %reverse7 to <4 x i32>, !dbg !11 - %11 = add nsw <4 x i32> %vec.phi, %9, !dbg !11 - %12 = add nsw <4 x i32> %vec.phi5, %10, !dbg !11 - %index.next = add i64 %index, 8 - %13 = icmp eq i64 %index.next, %n.vec - br i1 %13, label %middle.block, label %vector.body, !llvm.loop !15 - -middle.block: ; preds = %vector.body - %.lcssa12 = phi <4 x i32> [ %11, %vector.body ], !dbg !11 - %.lcssa = phi <4 x i32> [ %12, %vector.body ], !dbg !11 - %bin.rdx = add <4 x i32> %.lcssa, %.lcssa12, !dbg !11 - %rdx.shuf = shufflevector <4 x i32> %bin.rdx, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>, !dbg !11 - %bin.rdx8 = add <4 x i32> %bin.rdx, %rdx.shuf, !dbg !11 - %rdx.shuf9 = shufflevector <4 x i32> %bin.rdx8, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>, !dbg !11 - %bin.rdx10 = add <4 x i32> %bin.rdx8, %rdx.shuf9, !dbg !11 - %14 = extractelement <4 x i32> %bin.rdx10, i32 0, !dbg !11 - %cmp.n = icmp eq i64 %n.vec, %0 - br i1 %cmp.n, label %do.end, label %do.body.preheader, !dbg !10 - -do.body.preheader: ; preds = %middle.block, %entry - %indvars.iv.ph = phi i64 [ %0, %entry ], [ %ind.end, %middle.block ] - %Total.0.ph = phi i32 [ 0, %entry ], [ %14, %middle.block ] - br label %do.body, !dbg !11 - -do.body: ; preds = %do.body.preheader, %do.body - %indvars.iv = phi i64 [ %indvars.iv.next, %do.body ], [ %indvars.iv.ph, %do.body.preheader ] - %Total.0 = phi i32 [ %add, %do.body ], [ %Total.0.ph, %do.body.preheader ], !dbg !18 - %indvars.iv.next = add nsw i64 %indvars.iv, -1, !dbg !11 - %arrayidx = getelementptr inbounds i8, i8* %Bytes, i64 %indvars.iv.next, !dbg !11 - %15 = load i8, i8* %arrayidx, align 1, !dbg !11, !tbaa !12 - %conv = sext i8 %15 to i32, !dbg !11 - %add = add nsw i32 %Total.0, %conv, !dbg !11 - %16 = icmp eq i64 %indvars.iv.next, 0 - br i1 %16, label %do.end.loopexit, label %do.body, !dbg !11, !llvm.loop !19 - -do.end.loopexit: ; preds = %do.body - %add.lcssa11 = phi i32 [ %add, %do.body ], !dbg !11 - br label %do.end, !dbg !21 - -do.end: ; preds = %do.end.loopexit, %middle.block - %add.lcssa = phi i32 [ %14, %middle.block ], [ %add.lcssa11, %do.end.loopexit ], !dbg !11 - ret i32 %add.lcssa, !dbg !21 -} - -!llvm.dbg.cu = !{!0} -!llvm.module.flags = !{!3, !4, !5, !6} -!llvm.ident = !{!7} - -!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, nameTableKind: None) -!1 = !DIFile(filename: "src2.cpp", directory: "") -!2 = !{} -!3 = !{i32 2, !"CodeView", i32 1} -!4 = !{i32 2, !"Debug Info Version", i32 3} -!5 = !{i32 1, !"wchar_size", i32 2} -!6 = !{i32 7, !"PIC Level", i32 2} -!7 = !{!""} -!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !9, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) -!9 = !DISubroutineType(types: !2) -!10 = !DILocation(line: 4, scope: !8) -!11 = !DILocation(line: 5, scope: !8) -!12 = !{!13, !13, i64 0} -!13 = !{!"omnipotent char", !14, i64 0} -!14 = !{!"Simple C++ TBAA"} -!15 = distinct !{!15, !10, !16, !17} -!16 = !DILocation(line: 6, scope: !8) -!17 = !{!"llvm.loop.isvectorized", i32 1} -!18 = !DILocation(line: 0, scope: !8) -!19 = distinct !{!19, !10, !16, !20, !17} -!20 = !{!"llvm.loop.unroll.runtime.disable"} -!21 = !DILocation(line: 7, scope: !8) |
