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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=loop-rotate -S | FileCheck %s3 4define dso_local i16 @main() local_unnamed_addr #0 !dbg !7 {5; CHECK-LABEL: @main(6; CHECK-NEXT: entry:7; CHECK-NEXT: #dbg_value(i16 9, [[META12:![0-9]+]], !DIExpression(), [[META13:![0-9]+]])8; CHECK-NEXT: br label [[BB2:%.*]], !dbg [[DBG14:![0-9]+]]9; CHECK: bb2:10; CHECK-NEXT: [[TMP1:%.*]] = phi i16 [ 9, [[ENTRY:%.*]] ], [ [[TMP5:%.*]], [[BB2]] ]11; CHECK-NEXT: #dbg_value(i16 [[TMP1]], [[META12]], !DIExpression(), [[META13]])12; CHECK-NEXT: [[TMP4:%.*]] = call i16 @wibble(i16 [[TMP1]]), !dbg [[DBG14]]13; CHECK-NEXT: [[TMP5]] = add nsw i16 [[TMP4]], [[TMP1]], !dbg [[DBG14]]14; CHECK-NEXT: #dbg_value(i16 [[TMP5]], [[META12]], !DIExpression(), [[META13]])15; CHECK-NEXT: [[TMP6:%.*]] = call i16 @wibble(i16 [[TMP4]]), !dbg [[DBG14]]16; CHECK-NEXT: [[TMP7:%.*]] = mul nsw i16 [[TMP6]], 3, !dbg [[DBG14]]17; CHECK-NEXT: [[TMP8:%.*]] = call i16 @wibble(i16 [[TMP7]]), !dbg [[DBG14]]18; CHECK-NEXT: [[TMP2:%.*]] = icmp slt i16 [[TMP5]], 17, !dbg [[DBG14]]19; CHECK-NEXT: br i1 [[TMP2]], label [[BB2]], label [[BB3:%.*]], !dbg [[DBG14]]20; CHECK: bb3:21; CHECK-NEXT: [[TMP10:%.*]] = call i16 @wibble(i16 8), !dbg [[DBG14]]22; CHECK-NEXT: ret i16 [[TMP10]], !dbg [[DBG14]]23;24entry:25 call void @llvm.dbg.value(metadata i16 9, metadata !12, metadata !DIExpression()), !dbg !1326 br label %bb1, !dbg !1427 28bb1:29 %tmp = phi i16 [ 9, %entry ], [ %tmp5, %bb2 ], !dbg !1330 call void @llvm.dbg.value(metadata i16 %tmp, metadata !12, metadata !DIExpression()), !dbg !1331 %tmp2 = icmp slt i16 %tmp, 17, !dbg !1632 br i1 %tmp2, label %bb2, label %bb3, !dbg !1633 34bb2:35 %tmp4 = call i16 @wibble(i16 %tmp), !dbg !1636 %tmp5 = add nsw i16 %tmp4, %tmp, !dbg !1637 call void @llvm.dbg.value(metadata i16 %tmp5, metadata !12, metadata !DIExpression()), !dbg !1338 %tmp6 = call i16 @wibble(i16 %tmp4), !dbg !1639 %tmp7 = mul nsw i16 %tmp6, 3, !dbg !1640 %tmp8 = call i16 @wibble(i16 %tmp7), !dbg !1641 br label %bb1, !dbg !1642 43bb3:44 %tmp10 = call i16 @wibble(i16 8), !dbg !1645 ret i16 %tmp10, !dbg !1646}47 48declare void @llvm.dbg.value(metadata, metadata, metadata) #149 50declare i16 @wibble(i16) #251 52attributes #0 = { noinline nounwind }53attributes #1 = { nounwind readnone speculatable willreturn }54attributes #2 = { noinline nounwind readnone }55 56!llvm.dbg.cu = !{!0}57!llvm.module.flags = !{!3, !4, !5}58!llvm.ident = !{!6}59 60!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, nameTableKind: None)61!1 = !DIFile(filename: "foo.c", directory: "")62!2 = !{}63!3 = !{i32 7, !"Dwarf Version", i32 4}64!4 = !{i32 2, !"Debug Info Version", i32 3}65!5 = !{i32 1, !"wchar_size", i32 1}66!6 = !{!"clang version 10.0.0"}67!7 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 8, type: !8, scopeLine: 8, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11)68!8 = !DISubroutineType(types: !9)69!9 = !{!10}70!10 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)71!11 = !{!12}72!12 = !DILocalVariable(name: "x", scope: !7, file: !1, line: 9, type: !10)73!13 = !DILocation(line: 0, scope: !7)74!14 = !DILocation(line: 11, column: 8, scope: !15)75!15 = distinct !DILexicalBlock(scope: !7, file: !1, line: 11, column: 3)76!16 = !DILocation(line: 11, column: 21, scope: !17)77!17 = distinct !DILexicalBlock(scope: !15, file: !1, line: 11, column: 3)78