1;; Verify that llvm-objdump -l also prints the function name in disassembly 2;; output, getting it from the debug info. 3 4; RUN: llc < %s -o %t.o -filetype=obj -mtriple=x86_64-unknown-linux-gnu 5; RUN: llvm-objdump --no-print-imm-hex -dl %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-NO-DEMANGLE 6 7; RUN: llc < %s -o %t.o -filetype=obj -mtriple=x86_64-unknown-linux-gnu 8; RUN: llvm-objdump --no-print-imm-hex -dlC %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-DEMANGLE 9 10; CHECK: 0000000000000000 <foo>: 11; CHECK-NEXT: ; foo(): 12; CHECK-NEXT: ; /tmp{{/|\\}}src.cc:1 13; CHECK-NEXT: 0: b8 05 00 00 00 movl $5, %eax 14; CHECK-NEXT: 5: c3 retq 15 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:3 22; CHECK-NEXT: 10: b8 0a 00 00 00 movl $10, %eax 23; CHECK-NEXT: 15: c3 retq 24 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:3 31; CHECK-NEXT: 20: b8 14 00 00 00 movl $20, %eax 32; CHECK-NEXT: 25: c3 retq 33 34;; When symbol information is missing, we can get function names from debug 35;; info. The IR is intentionally doctored to have different names in debug info 36;; for the test case here. 37; RUN: llvm-strip %t.o -N foo -N _ZN3xyz3barEv -N _ZN3xyz3bazEv -o %t-stripped.o 38; RUN: llvm-objdump --no-print-imm-hex -dlC %t-stripped.o | FileCheck %s --check-prefix=STRIPPED 39 40; STRIPPED: 0000000000000000 <.text>: 41; STRIPPED-NEXT: ; Function1(): 42; STRIPPED-NEXT: ; /tmp{{/|\\}}src.cc:1 43; STRIPPED-NEXT: 0: b8 05 00 00 00 movl $5, %eax 44; STRIPPED-NEXT: 5: c3 retq 45 46; STRIPPED: ; xyz::bar(): 47; STRIPPED-NEXT: ; /tmp{{/|\\}}src.cc:3 48; STRIPPED-NEXT: 10: b8 0a 00 00 00 movl $10, %eax 49; STRIPPED-NEXT: 15: c3 retq 50 51; STRIPPED: ; xyz::baz(): 52; STRIPPED-NEXT: ; /tmp{{/|\\}}src.cc:3 53; STRIPPED-NEXT: 20: b8 14 00 00 00 movl $20, %eax 54; STRIPPED-NEXT: 25: c3 retq 55 56;; IR adapted from: 57;; $ cat /tmp/src.cc 58;; extern "C" int foo() { return 5; }; 59;; namespace xyz { 60;; int bar() { return 10; } int baz() { return 20; } 61;; } // namespace xyz 62;; $ clang++ -O -g -c /tmp/src.cc -S -emit-llvm 63;; 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 !12 72} 73 74define dso_local i32 @_ZN3xyz3barEv() #0 !dbg !13 { 75entry: 76 ret i32 10, !dbg !15 77} 78 79define dso_local i32 @_ZN3xyz3bazEv() #0 !dbg !16 { 80entry: 81 ret i32 20, !dbg !17 82} 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