1 ; RUN: opt -disable-basic-aa -passes=loop-rotate -verify-memoryssa -S %s | FileCheck %s
4 ; CHECK-LABEL: @f_w4_i2
5 define void @f_w4_i2() {
9 for.cond: ; preds = %for.body, %entry
10 %i.0 = phi i16 [ 0, %entry ], [ %inc, %for.body ]
11 call void @llvm.dbg.value(metadata i16 %i.0, metadata !32, metadata !DIExpression()), !dbg !31
12 br i1 undef, label %for.body, label %for.cond.cleanup
14 for.cond.cleanup: ; preds = %for.cond
17 for.body: ; preds = %for.cond
18 store i32 undef, ptr undef, align 1
19 %inc = add i16 %i.0, 1
20 call void @llvm.dbg.value(metadata i16 %inc, metadata !32, metadata !DIExpression()), !dbg !31
24 ; Function Attrs: nounwind readnone speculatable willreturn
25 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
27 attributes #1 = { nounwind readnone speculatable willreturn }
30 !llvm.module.flags = !{!14}
32 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0s", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
33 !1 = !DIFile(filename: "vec.c", directory: "test")
36 !4 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)
37 !14 = !{i32 2, !"Debug Info Version", i32 3}
38 !15 = distinct !DISubprogram(name: "f_w4_i2", scope: !1, file: !1, line: 36, type: !16, scopeLine: 38, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !23)
39 !16 = !DISubroutineType(types: !17)
42 !30 = distinct !DILexicalBlock(scope: !15, file: !1, line: 43, column: 5)
43 !31 = !DILocation(line: 0, scope: !30)
44 !32 = !DILocalVariable(name: "i", scope: !30, file: !1, line: 43, type: !4)