109 lines
4.5 KiB
Plaintext
109 lines
4.5 KiB
Plaintext
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;; Verify that llvm-objdump -l also prints the function name in disassembly
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;; output, getting it from the debug info.
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; RUN: llc < %s -o %t.o -filetype=obj -mtriple=x86_64-unknown-linux-gnu
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; RUN: llvm-objdump -dl %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-NO-DEMANGLE
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; RUN: llc < %s -o %t.o -filetype=obj -mtriple=x86_64-unknown-linux-gnu
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; RUN: llvm-objdump -dlC %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-DEMANGLE
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; CHECK: 0000000000000000 <foo>:
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; CHECK-NEXT: ; foo():
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; CHECK-NEXT: ; /tmp{{/|\\}}src.cc:1
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; CHECK-NEXT: 0: b8 05 00 00 00 movl $5, %eax
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; CHECK-NEXT: 5: c3 retq
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; CHECK-NO-DEMANGLE: 0000000000000010 <_ZN3xyz3barEv>:
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; CHECK-NO-DEMANGLE-NEXT: ; _ZN3xyz3barEv():
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; CHECK-DEMANGLE: 0000000000000010 <xyz::bar()>:
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; CHECK-DEMANGLE-NEXT: ; xyz::bar():
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; CHECK-NEXT: ; /tmp{{/|\\}}src.cc:3
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; CHECK-NEXT: 10: b8 0a 00 00 00 movl $10, %eax
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; CHECK-NEXT: 15: c3 retq
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; CHECK-NO-DEMANGLE: 0000000000000020 <_ZN3xyz3bazEv>:
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; CHECK-NO-DEMANGLE-NEXT: ; _ZN3xyz3bazEv():
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; CHECK-DEMANGLE: 0000000000000020 <xyz::baz()>:
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; CHECK-DEMANGLE-NEXT: ; xyz::baz():
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; CHECK-NEXT: ; /tmp{{/|\\}}src.cc:3
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; CHECK-NEXT: 20: b8 14 00 00 00 movl $20, %eax
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; CHECK-NEXT: 25: c3 retq
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;; When symbol information is missing, we can get function names from debug
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;; info. The IR is intentionally doctored to have different names in debug info
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;; for the test case here.
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; RUN: llvm-strip %t.o -N foo -N _ZN3xyz3barEv -N _ZN3xyz3bazEv -o %t-stripped.o
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; RUN: llvm-objdump -dlC %t-stripped.o | FileCheck %s --check-prefix=STRIPPED
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; STRIPPED: 0000000000000000 <.text>:
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; STRIPPED-NEXT: ; Function1():
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; STRIPPED-NEXT: ; /tmp{{/|\\}}src.cc:1
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; STRIPPED-NEXT: 0: b8 05 00 00 00 movl $5, %eax
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; STRIPPED-NEXT: 5: c3 retq
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; STRIPPED: ; xyz::bar():
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; STRIPPED-NEXT: ; /tmp{{/|\\}}src.cc:3
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; STRIPPED-NEXT: 10: b8 0a 00 00 00 movl $10, %eax
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; STRIPPED-NEXT: 15: c3 retq
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; STRIPPED: ; xyz::baz():
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; STRIPPED-NEXT: ; /tmp{{/|\\}}src.cc:3
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; STRIPPED-NEXT: 20: b8 14 00 00 00 movl $20, %eax
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; STRIPPED-NEXT: 25: c3 retq
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;; IR adapted from:
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;; $ cat /tmp/src.cc
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;; extern "C" int foo() { return 5; };
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;; namespace xyz {
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;; int bar() { return 10; } int baz() { return 20; }
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;; } // namespace xyz
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;; $ clang++ -O -g -c /tmp/src.cc -S -emit-llvm
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;; Note: bar() and baz() intentionally written on the same line.
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; ModuleID = '/tmp/src.cc'
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source_filename = "/tmp/src.cc"
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target triple = "x86_64-unknown-linux-gnu"
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define dso_local i32 @foo() #0 !dbg !7 {
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entry:
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ret i32 5, !dbg !12
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}
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define dso_local i32 @_ZN3xyz3barEv() #0 !dbg !13 {
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entry:
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ret i32 10, !dbg !15
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}
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define dso_local i32 @_ZN3xyz3bazEv() #0 !dbg !16 {
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entry:
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ret i32 20, !dbg !17
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}
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attributes #0 = { "frame-pointer"="none" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!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)
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; Note: <invalid> triggers a bad DILineInfo. We still print "Function1()".
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!1 = !DIFile(filename: "<invalid>", directory: "")
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!2 = !{}
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!3 = !{i32 7, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{!"clang trunk)"}
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!7 = distinct !DISubprogram(name: "Function1", scope: !8, file: !8, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!8 = !DIFile(filename: "/tmp/src.cc", directory: "")
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11}
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!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!12 = !DILocation(line: 1, column: 24, scope: !7)
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!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)
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!14 = !DINamespace(name: "xyz", scope: null)
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!15 = !DILocation(line: 3, column: 13, scope: !13)
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!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)
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!17 = !DILocation(line: 3, column: 38, scope: !16)
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