| ; RUN: opt -disable-basic-aa -loop-rotate -enable-mssa-loop-dependency -verify-memoryssa -S %s | FileCheck %s |
| ; REQUIRES: asserts |
| |
| ; CHECK-LABEL: @f_w4_i2 |
| define void @f_w4_i2() { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.body, %entry |
| %i.0 = phi i16 [ 0, %entry ], [ %inc, %for.body ] |
| call void @llvm.dbg.value(metadata i16 %i.0, metadata !32, metadata !DIExpression()), !dbg !31 |
| br i1 undef, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.cond |
| ret void |
| |
| for.body: ; preds = %for.cond |
| store i32 undef, i32* undef, align 1 |
| %inc = add i16 %i.0, 1 |
| call void @llvm.dbg.value(metadata i16 %inc, metadata !32, metadata !DIExpression()), !dbg !31 |
| br label %for.cond |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #1 = { nounwind readnone speculatable willreturn } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!14} |
| |
| !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) |
| !1 = !DIFile(filename: "vec.c", directory: "test") |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) |
| !14 = !{i32 2, !"Debug Info Version", i32 3} |
| !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) |
| !16 = !DISubroutineType(types: !17) |
| !17 = !{null} |
| !23 = !{} |
| !30 = distinct !DILexicalBlock(scope: !15, file: !1, line: 43, column: 5) |
| !31 = !DILocation(line: 0, scope: !30) |
| !32 = !DILocalVariable(name: "i", scope: !30, file: !1, line: 43, type: !4) |