| ; RUN: opt -passes=deadargelim -S < %s | FileCheck %s |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| %struct.Channel = type { i32, i32 } |
| |
| ; Function Attrs: nounwind uwtable |
| define void @f2(i32 %m, i32 %n) #0 !dbg !7 { |
| entry: |
| call void @llvm.dbg.value(metadata i32 %m, metadata !12, metadata !DIExpression()), !dbg !21 |
| call void @llvm.dbg.value(metadata i32 %n, metadata !13, metadata !DIExpression()), !dbg !22 |
| call void @llvm.dbg.value(metadata ptr null, metadata !14, metadata !DIExpression()), !dbg !23 |
| %call = call ptr (...) @foo(), !dbg !24 |
| call void @llvm.dbg.value(metadata ptr %call, metadata !14, metadata !DIExpression()), !dbg !23 |
| %cmp = icmp sgt i32 %m, 3, !dbg !25 |
| br i1 %cmp, label %if.then, label %if.end, !dbg !27 |
| |
| if.then: ; preds = %entry |
| %call1 = call zeroext i1 @f1(i1 zeroext true, ptr %call), !dbg !28 |
| br label %if.end, !dbg !28 |
| |
| if.end: ; preds = %if.then, %entry |
| %cmp2 = icmp sgt i32 %n, %m, !dbg !29 |
| br i1 %cmp2, label %if.then3, label %if.end5, !dbg !31 |
| |
| if.then3: ; preds = %if.end |
| %call4 = call zeroext i1 @f1(i1 zeroext false, ptr %call), !dbg !32 |
| br label %if.end5, !dbg !32 |
| |
| if.end5: ; preds = %if.then3, %if.end |
| ret void, !dbg !33 |
| } |
| |
| declare ptr @foo(...) local_unnamed_addr #1 |
| |
| ; Function Attrs: noinline nounwind uwtable |
| define internal zeroext i1 @f1(i1 zeroext %is_y, ptr %str) #4 !dbg !34 { |
| entry: |
| %frombool = zext i1 %is_y to i8 |
| ; CHECK: call void @llvm.dbg.value(metadata i1 %is_y, metadata !39, metadata !DIExpression()), !dbg !42 |
| call void @llvm.dbg.value(metadata i1 %is_y, metadata !39, metadata !DIExpression()), !dbg !42 |
| ; CHECK: call void @llvm.dbg.value(metadata ptr %str, metadata !40, metadata !DIExpression()), !dbg !43 |
| call void @llvm.dbg.value(metadata ptr %str, metadata !40, metadata !DIExpression()), !dbg !43 |
| call void @llvm.dbg.value(metadata ptr null, metadata !41, metadata !DIExpression()), !dbg !44 |
| %tobool = icmp ne ptr %str, null, !dbg !45 |
| br i1 %tobool, label %if.end, label %if.then, !dbg !47 |
| |
| if.then: ; preds = %entry |
| call void (...) @baa(), !dbg !48 |
| br label %cleanup, !dbg !50 |
| |
| if.end: ; preds = %entry |
| %call = call ptr (...) @foo(), !dbg !51 |
| call void @llvm.dbg.value(metadata ptr %call, metadata !41, metadata !DIExpression()), !dbg !44 |
| %tobool1 = trunc i8 %frombool to i1, !dbg !52 |
| br i1 %tobool1, label %if.then2, label %if.end3, !dbg !56 |
| |
| if.then2: ; preds = %if.end |
| call void (...) @baa(), !dbg !57 |
| br label %cleanup, !dbg !56 |
| |
| if.end3: ; preds = %if.end |
| br label %cleanup, !dbg !56 |
| |
| cleanup: ; preds = %if.end3, %if.then2, %if.then |
| %retval.0 = phi i1 [ false, %if.then2 ], [ true, %if.end3 ], [ false, %if.then ] |
| ; CHECK: ret void, !dbg |
| ret i1 %retval.0, !dbg !56 |
| } |
| |
| declare void @baa(...) local_unnamed_addr #1 |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #3 |
| |
| !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 7.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "test.c", directory: "/dir") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{!"clang version 7.0.0"} |
| !7 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 31, type: !8, isLocal: false, isDefinition: true, scopeLine: 32, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{null, !10, !10} |
| !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !11 = !{!12, !13, !14} |
| !12 = !DILocalVariable(name: "m", arg: 1, scope: !7, file: !1, line: 31, type: !10) |
| !13 = !DILocalVariable(name: "n", arg: 2, scope: !7, file: !1, line: 31, type: !10) |
| !14 = !DILocalVariable(name: "str3", scope: !7, file: !1, line: 33, type: !15) |
| !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64) |
| !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "channel", file: !1, line: 6, baseType: !17) |
| !17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Channel", file: !1, line: 3, size: 64, elements: !18) |
| !18 = !{!19, !20} |
| !19 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !17, file: !1, line: 4, baseType: !10, size: 32) |
| !20 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !17, file: !1, line: 5, baseType: !10, size: 32, offset: 32) |
| !21 = !DILocation(line: 31, column: 13, scope: !7) |
| !22 = !DILocation(line: 31, column: 20, scope: !7) |
| !23 = !DILocation(line: 33, column: 11, scope: !7) |
| !24 = !DILocation(line: 34, column: 9, scope: !7) |
| !25 = !DILocation(line: 36, column: 8, scope: !26) |
| !26 = distinct !DILexicalBlock(scope: !7, file: !1, line: 36, column: 6) |
| !27 = !DILocation(line: 36, column: 6, scope: !7) |
| !28 = !DILocation(line: 37, column: 3, scope: !26) |
| !29 = !DILocation(line: 39, column: 8, scope: !30) |
| !30 = distinct !DILexicalBlock(scope: !7, file: !1, line: 39, column: 6) |
| !31 = !DILocation(line: 39, column: 6, scope: !7) |
| !32 = !DILocation(line: 40, column: 3, scope: !30) |
| !33 = !DILocation(line: 41, column: 1, scope: !7) |
| !34 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 12, type: !35, isLocal: true, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !38) |
| !35 = !DISubroutineType(types: !36) |
| !36 = !{!37, !37, !15} |
| !37 = !DIBasicType(name: "_Bool", size: 8, encoding: DW_ATE_boolean) |
| !38 = !{!39, !40, !41} |
| !39 = !DILocalVariable(name: "is_y", arg: 1, scope: !34, file: !1, line: 12, type: !37) |
| !40 = !DILocalVariable(name: "str", arg: 2, scope: !34, file: !1, line: 12, type: !15) |
| !41 = !DILocalVariable(name: "str2", scope: !34, file: !1, line: 14, type: !15) |
| !42 = !DILocation(line: 12, column: 21, scope: !34) |
| !43 = !DILocation(line: 12, column: 36, scope: !34) |
| !44 = !DILocation(line: 14, column: 11, scope: !34) |
| !45 = !DILocation(line: 16, column: 7, scope: !46) |
| !46 = distinct !DILexicalBlock(scope: !34, file: !1, line: 16, column: 6) |
| !47 = !DILocation(line: 16, column: 6, scope: !34) |
| !48 = !DILocation(line: 17, column: 3, scope: !49) |
| !49 = distinct !DILexicalBlock(scope: !46, file: !1, line: 16, column: 11) |
| !50 = !DILocation(line: 18, column: 3, scope: !49) |
| !51 = !DILocation(line: 21, column: 9, scope: !34) |
| !52 = !DILocation(line: 23, column: 6, scope: !34) |
| !53 = !DILocation(line: 24, column: 3, scope: !54) |
| !54 = distinct !DILexicalBlock(scope: !55, file: !1, line: 23, column: 11) |
| !55 = distinct !DILexicalBlock(scope: !34, file: !1, line: 23, column: 6) |
| !56 = !DILocation(line: 25, column: 3, scope: !54) |
| !57 = !DILocation(line: 28, column: 2, scope: !34) |