1 ; RUN: opt -S -deadargelim < %s | FileCheck %s 2 3 @.str = private constant [1 x i8] zeroinitializer, align 1 ; <[1 x i8]*> [#uses=1] 4 5 define i8* @vfs_addname(i8* %name, i32 %len, i32 %hash, i32 %flags) nounwind ssp { 6 entry: 7 call void @llvm.dbg.value(metadata i8* %name, i64 0, metadata !0, metadata !DIExpression()), !dbg !DILocation(scope: !1) 8 call void @llvm.dbg.value(metadata i32 %len, i64 0, metadata !10, metadata !DIExpression()), !dbg !DILocation(scope: !1) 9 call void @llvm.dbg.value(metadata i32 %hash, i64 0, metadata !11, metadata !DIExpression()), !dbg !DILocation(scope: !1) 10 call void @llvm.dbg.value(metadata i32 %flags, i64 0, metadata !12, metadata !DIExpression()), !dbg !DILocation(scope: !1) 11 ; CHECK: call fastcc i8* @add_name_internal(i8* %name, i32 %hash) [[NUW:#[0-9]+]], !dbg !{{[0-9]+}} 12 %0 = call fastcc i8* @add_name_internal(i8* %name, i32 %len, i32 %hash, i8 zeroext 0, i32 %flags) nounwind, !dbg !13 ; <i8*> [#uses=1] 13 ret i8* %0, !dbg !13 14 } 15 16 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 17 18 define internal fastcc i8* @add_name_internal(i8* %name, i32 %len, i32 %hash, i8 zeroext %extra, i32 %flags) noinline nounwind ssp { 19 entry: 20 call void @llvm.dbg.value(metadata i8* %name, i64 0, metadata !15, metadata !DIExpression()), !dbg !DILocation(scope: !16) 21 call void @llvm.dbg.value(metadata i32 %len, i64 0, metadata !20, metadata !DIExpression()), !dbg !DILocation(scope: !16) 22 call void @llvm.dbg.value(metadata i32 %hash, i64 0, metadata !21, metadata !DIExpression()), !dbg !DILocation(scope: !16) 23 call void @llvm.dbg.value(metadata i8 %extra, i64 0, metadata !22, metadata !DIExpression()), !dbg !DILocation(scope: !16) 24 call void @llvm.dbg.value(metadata i32 %flags, i64 0, metadata !23, metadata !DIExpression()), !dbg !DILocation(scope: !16) 25 %0 = icmp eq i32 %hash, 0, !dbg !24 ; <i1> [#uses=1] 26 br i1 %0, label %bb, label %bb1, !dbg !24 27 28 bb: ; preds = %entry 29 br label %bb2, !dbg !26 30 31 bb1: ; preds = %entry 32 br label %bb2, !dbg !27 33 34 bb2: ; preds = %bb1, %bb 35 %.0 = phi i8* [ getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), %bb ], [ %name, %bb1 ] ; <i8*> [#uses=1] 36 ret i8* %.0, !dbg !27 37 } 38 39 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone 40 41 ; CHECK: attributes #0 = { nounwind ssp } 42 ; CHECK: attributes #1 = { nounwind readnone } 43 ; CHECK: attributes #2 = { noinline nounwind ssp } 44 ; CHECK: attributes [[NUW]] = { nounwind } 45 46 !llvm.dbg.cu = !{!3} 47 !llvm.module.flags = !{!30} 48 !0 = !DILocalVariable(name: "name", line: 8, arg: 1, scope: !1, file: !2, type: !6) 49 !1 = distinct !DISubprogram(name: "vfs_addname", linkageName: "vfs_addname", line: 12, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !28, scope: !2, type: !4) 50 !2 = !DIFile(filename: "tail.c", directory: "/Users/echeng/LLVM/radars/r7927803/") 51 !3 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build 9999)", isOptimized: true, emissionKind: 0, file: !28, enums: !29, retainedTypes: !29) 52 !4 = !DISubroutineType(types: !5) 53 !5 = !{!6, !6, !9, !9, !9} 54 !6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !28, scope: !2, baseType: !7) 55 !7 = !DIDerivedType(tag: DW_TAG_const_type, size: 8, align: 8, file: !28, scope: !2, baseType: !8) 56 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 57 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 58 !10 = !DILocalVariable(name: "len", line: 9, arg: 2, scope: !1, file: !2, type: !9) 59 !11 = !DILocalVariable(name: "hash", line: 10, arg: 3, scope: !1, file: !2, type: !9) 60 !12 = !DILocalVariable(name: "flags", line: 11, arg: 4, scope: !1, file: !2, type: !9) 61 !13 = !DILocation(line: 13, scope: !14) 62 !14 = distinct !DILexicalBlock(line: 12, column: 0, file: !28, scope: !1) 63 !15 = !DILocalVariable(name: "name", line: 17, arg: 1, scope: !16, file: !2, type: !6) 64 !16 = distinct !DISubprogram(name: "add_name_internal", linkageName: "add_name_internal", line: 22, isLocal: true, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !28, scope: !2, type: !17) 65 !17 = !DISubroutineType(types: !18) 66 !18 = !{!6, !6, !9, !9, !19, !9} 67 !19 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char) 68 !20 = !DILocalVariable(name: "len", line: 18, arg: 2, scope: !16, file: !2, type: !9) 69 !21 = !DILocalVariable(name: "hash", line: 19, arg: 3, scope: !16, file: !2, type: !9) 70 !22 = !DILocalVariable(name: "extra", line: 20, arg: 4, scope: !16, file: !2, type: !19) 71 !23 = !DILocalVariable(name: "flags", line: 21, arg: 5, scope: !16, file: !2, type: !9) 72 !24 = !DILocation(line: 23, scope: !25) 73 !25 = distinct !DILexicalBlock(line: 22, column: 0, file: !28, scope: !16) 74 !26 = !DILocation(line: 24, scope: !25) 75 !27 = !DILocation(line: 26, scope: !25) 76 !28 = !DIFile(filename: "tail.c", directory: "/Users/echeng/LLVM/radars/r7927803/") 77 !29 = !{} 78 !30 = !{i32 1, !"Debug Info Version", i32 3} 79
