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1;; Verify that llvm-objdump -l also prints the function name in disassembly2;; output, getting it from the debug info.3 4; RUN: llc < %s -o %t.o -filetype=obj -mtriple=x86_64-unknown-linux-gnu5; RUN: llvm-objdump --no-print-imm-hex -dl %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-NO-DEMANGLE6 7; RUN: llc < %s -o %t.o -filetype=obj -mtriple=x86_64-unknown-linux-gnu8; RUN: llvm-objdump --no-print-imm-hex -dlC %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-DEMANGLE9 10; CHECK: 0000000000000000 <foo>:11; CHECK-NEXT: ; foo():12; CHECK-NEXT: ; /tmp{{/|\\}}src.cc:113; CHECK-NEXT: 0: b8 05 00 00 00 movl $5, %eax14; CHECK-NEXT: 5: c3 retq15 16; CHECK-NO-DEMANGLE: 0000000000000010 <_ZN3xyz3barEv>:17; CHECK-NO-DEMANGLE-NEXT: ; _ZN3xyz3barEv():18; CHECK-DEMANGLE: 0000000000000010 <xyz::bar()>:19; CHECK-DEMANGLE-NEXT: ; xyz::bar():20 21; CHECK-NEXT: ; /tmp{{/|\\}}src.cc:322; CHECK-NEXT: 10: b8 0a 00 00 00 movl $10, %eax23; CHECK-NEXT: 15: c3 retq24 25; CHECK-NO-DEMANGLE: 0000000000000020 <_ZN3xyz3bazEv>:26; CHECK-NO-DEMANGLE-NEXT: ; _ZN3xyz3bazEv():27; CHECK-DEMANGLE: 0000000000000020 <xyz::baz()>:28; CHECK-DEMANGLE-NEXT: ; xyz::baz():29 30; CHECK-NEXT: ; /tmp{{/|\\}}src.cc:331; CHECK-NEXT: 20: b8 14 00 00 00 movl $20, %eax32; CHECK-NEXT: 25: c3 retq33 34;; When symbol information is missing, we can get function names from debug35;; info. The IR is intentionally doctored to have different names in debug info36;; for the test case here.37; RUN: llvm-strip %t.o -N foo -N _ZN3xyz3barEv -N _ZN3xyz3bazEv -o %t-stripped.o38; RUN: llvm-objdump --no-print-imm-hex -dlC %t-stripped.o | FileCheck %s --check-prefix=STRIPPED39 40; STRIPPED: 0000000000000000 <.text>:41; STRIPPED-NEXT: ; Function1():42; STRIPPED-NEXT: ; /tmp{{/|\\}}src.cc:143; STRIPPED-NEXT: 0: b8 05 00 00 00 movl $5, %eax44; STRIPPED-NEXT: 5: c3 retq45 46; STRIPPED: ; xyz::bar():47; STRIPPED-NEXT: ; /tmp{{/|\\}}src.cc:348; STRIPPED-NEXT: 10: b8 0a 00 00 00 movl $10, %eax49; STRIPPED-NEXT: 15: c3 retq50 51; STRIPPED: ; xyz::baz():52; STRIPPED-NEXT: ; /tmp{{/|\\}}src.cc:353; STRIPPED-NEXT: 20: b8 14 00 00 00 movl $20, %eax54; STRIPPED-NEXT: 25: c3 retq55 56;; IR adapted from:57;; $ cat /tmp/src.cc58;; extern "C" int foo() { return 5; };59;; namespace xyz {60;; int bar() { return 10; } int baz() { return 20; }61;; } // namespace xyz62;; $ clang++ -O -g -c /tmp/src.cc -S -emit-llvm63;; Note: bar() and baz() intentionally written on the same line.64 65; ModuleID = '/tmp/src.cc'66source_filename = "/tmp/src.cc"67target triple = "x86_64-unknown-linux-gnu"68 69define dso_local i32 @foo() #0 !dbg !7 {70entry:71 ret i32 5, !dbg !1272}73 74define dso_local i32 @_ZN3xyz3barEv() #0 !dbg !13 {75entry:76 ret i32 10, !dbg !1577}78 79define dso_local i32 @_ZN3xyz3bazEv() #0 !dbg !16 {80entry:81 ret i32 20, !dbg !1782}83 84attributes #0 = { "frame-pointer"="none" }85 86!llvm.dbg.cu = !{!0}87!llvm.module.flags = !{!3, !4, !5}88!llvm.ident = !{!6}89 90!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang trunk", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)91; Note: <invalid> triggers a bad DILineInfo. We still print "Function1()".92!1 = !DIFile(filename: "<invalid>", directory: "")93!2 = !{}94!3 = !{i32 7, !"Dwarf Version", i32 4}95!4 = !{i32 2, !"Debug Info Version", i32 3}96!5 = !{i32 1, !"wchar_size", i32 4}97!6 = !{!"clang trunk)"}98!7 = distinct !DISubprogram(name: "Function1", scope: !8, file: !8, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)99!8 = !DIFile(filename: "/tmp/src.cc", directory: "")100!9 = !DISubroutineType(types: !10)101!10 = !{!11}102!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)103!12 = !DILocation(line: 1, column: 24, scope: !7)104!13 = distinct !DISubprogram(name: "bar", linkageName: "_ZN3xyz3barEv", scope: !14, file: !8, line: 3, type: !9, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)105!14 = !DINamespace(name: "xyz", scope: null)106!15 = !DILocation(line: 3, column: 13, scope: !13)107!16 = distinct !DISubprogram(name: "baz", linkageName: "_ZN3xyz3bazEv", scope: !14, file: !8, line: 3, type: !9, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)108!17 = !DILocation(line: 3, column: 38, scope: !16)109