| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=loop-rotate -S | FileCheck %s |
| |
| define dso_local i16 @main() local_unnamed_addr #0 !dbg !7 { |
| ; CHECK-LABEL: @main( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i16 9, metadata !12, metadata !DIExpression()), !dbg !13 |
| ; CHECK-NEXT: br label [[BB2:%.*]], !dbg !14 |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[TMP1:%.*]] = phi i16 [ 9, [[ENTRY:%.*]] ], [ [[TMP5:%.*]], [[BB2]] ] |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i16 [[TMP1]], metadata !12, metadata !DIExpression()), !dbg !13 |
| ; CHECK-NEXT: [[TMP4:%.*]] = call i16 @wibble(i16 [[TMP1]]), !dbg !14 |
| ; CHECK-NEXT: [[TMP5]] = add nsw i16 [[TMP4]], [[TMP1]], !dbg !14 |
| ; CHECK-NEXT: call void @llvm.dbg.value(metadata i16 [[TMP5]], metadata !12, metadata !DIExpression()), !dbg !13 |
| ; CHECK-NEXT: [[TMP6:%.*]] = call i16 @wibble(i16 [[TMP4]]), !dbg !14 |
| ; CHECK-NEXT: [[TMP7:%.*]] = mul nsw i16 [[TMP6]], 3, !dbg !14 |
| ; CHECK-NEXT: [[TMP8:%.*]] = call i16 @wibble(i16 [[TMP7]]), !dbg !14 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp slt i16 [[TMP5]], 17, !dbg !14 |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[BB2]], label [[BB3:%.*]], !dbg !14 |
| ; CHECK: bb3: |
| ; CHECK-NEXT: [[TMP10:%.*]] = call i16 @wibble(i16 8), !dbg !14 |
| ; CHECK-NEXT: ret i16 [[TMP10]], !dbg !14 |
| ; |
| entry: |
| call void @llvm.dbg.value(metadata i16 9, metadata !12, metadata !DIExpression()), !dbg !13 |
| br label %bb1, !dbg !14 |
| |
| bb1: |
| %tmp = phi i16 [ 9, %entry ], [ %tmp5, %bb2 ], !dbg !13 |
| call void @llvm.dbg.value(metadata i16 %tmp, metadata !12, metadata !DIExpression()), !dbg !13 |
| %tmp2 = icmp slt i16 %tmp, 17, !dbg !16 |
| br i1 %tmp2, label %bb2, label %bb3, !dbg !16 |
| |
| bb2: |
| %tmp4 = call i16 @wibble(i16 %tmp), !dbg !16 |
| %tmp5 = add nsw i16 %tmp4, %tmp, !dbg !16 |
| call void @llvm.dbg.value(metadata i16 %tmp5, metadata !12, metadata !DIExpression()), !dbg !13 |
| %tmp6 = call i16 @wibble(i16 %tmp4), !dbg !16 |
| %tmp7 = mul nsw i16 %tmp6, 3, !dbg !16 |
| %tmp8 = call i16 @wibble(i16 %tmp7), !dbg !16 |
| br label %bb1, !dbg !16 |
| |
| bb3: |
| %tmp10 = call i16 @wibble(i16 8), !dbg !16 |
| ret i16 %tmp10, !dbg !16 |
| } |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| declare i16 @wibble(i16) #2 |
| |
| attributes #0 = { noinline nounwind } |
| attributes #1 = { nounwind readnone speculatable willreturn } |
| attributes #2 = { noinline nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| !llvm.ident = !{!6} |
| |
| !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) |
| !1 = !DIFile(filename: "foo.c", directory: "") |
| !2 = !{} |
| !3 = !{i32 7, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 1} |
| !6 = !{!"clang version 10.0.0"} |
| !7 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 8, type: !8, scopeLine: 8, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{!10} |
| !10 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) |
| !11 = !{!12} |
| !12 = !DILocalVariable(name: "x", scope: !7, file: !1, line: 9, type: !10) |
| !13 = !DILocation(line: 0, scope: !7) |
| !14 = !DILocation(line: 11, column: 8, scope: !15) |
| !15 = distinct !DILexicalBlock(scope: !7, file: !1, line: 11, column: 3) |
| !16 = !DILocation(line: 11, column: 21, scope: !17) |
| !17 = distinct !DILexicalBlock(scope: !15, file: !1, line: 11, column: 3) |