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author | Adrian Prantl <aprantl@apple.com> | 2014-02-25 22:27:14 +0000 |
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committer | Adrian Prantl <aprantl@apple.com> | 2014-02-25 22:27:14 +0000 |
commit | 35989a76ac4aed266df17ee37eba4a138ff99f34 (patch) | |
tree | 63e02f78098d23cf55766b6683cec9505dee62f6 /test/DebugInfo/varargs.ll | |
parent | 3f0a9af13bec64f3bc4bee06a57e18feeb766570 (diff) | |
download | llvm-35989a76ac4aed266df17ee37eba4a138ff99f34.tar.gz llvm-35989a76ac4aed266df17ee37eba4a138ff99f34.tar.bz2 llvm-35989a76ac4aed266df17ee37eba4a138ff99f34.tar.xz |
Address review comments for r202188.
This is refactoring / simplifying code, updating comments and enabling the
testcase on non-x86 platforms.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202199 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/DebugInfo/varargs.ll')
-rw-r--r-- | test/DebugInfo/varargs.ll | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/test/DebugInfo/varargs.ll b/test/DebugInfo/varargs.ll new file mode 100644 index 0000000000..52e9e8b724 --- /dev/null +++ b/test/DebugInfo/varargs.ll @@ -0,0 +1,99 @@ +; RUN: llc -O0 -filetype=obj -o %t.o %s +; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s +; REQUIRES: object-emission +; +; Test debug info for variadic function arguments. +; Created from tools/clang/tests/CodeGenCXX/debug-info-varargs.cpp +; +; The ... parameter of variadic should be emitted as +; DW_TAG_unspecified_parameters. +; +; Normal variadic function. +; void b(int c, ...); +; +; CHECK: DW_TAG_subprogram +; CHECK-NOT: DW_TAG +; CHECK: DW_AT_name {{.*}} "b" +; CHECK-NOT: DW_TAG +; CHECK: DW_TAG_formal_parameter +; CHECK-NOT: DW_TAG +; CHECK: DW_TAG_unspecified_parameters +; +; Variadic C++ member function. +; struct A { void a(int c, ...); } +; +; CHECK: DW_TAG_subprogram +; CHECK-NOT: DW_TAG +; CHECK: DW_AT_name {{.*}} "a" +; CHECK-NOT: DW_TAG +; CHECK: DW_TAG_formal_parameter +; CHECK-NOT: DW_TAG +; CHECK: DW_TAG_formal_parameter +; CHECK-NOT: DW_TAG +; CHECK: DW_TAG_unspecified_parameters +; +; Variadic function pointer. +; void (*fptr)(int, ...); +; +; CHECK: DW_TAG_subroutine_type +; CHECK-NOT: DW_TAG +; CHECK: DW_TAG_formal_parameter +; CHECK-NOT: DW_TAG +; CHECK: DW_TAG_unspecified_parameters +; +; ModuleID = 'llvm/tools/clang/test/CodeGenCXX/debug-info-varargs.cpp' + +%struct.A = type { i8 } + +; Function Attrs: nounwind ssp uwtable +define void @_Z1biz(i32 %c, ...) #0 { + %1 = alloca i32, align 4 + %a = alloca %struct.A, align 1 + %fptr = alloca void (i32, ...)*, align 8 + store i32 %c, i32* %1, align 4 + call void @llvm.dbg.declare(metadata !{i32* %1}, metadata !21), !dbg !22 + call void @llvm.dbg.declare(metadata !{%struct.A* %a}, metadata !23), !dbg !24 + call void @llvm.dbg.declare(metadata !{void (i32, ...)** %fptr}, metadata !25), !dbg !27 + store void (i32, ...)* @_Z1biz, void (i32, ...)** %fptr, align 8, !dbg !27 + ret void, !dbg !28 +} + +; Function Attrs: nounwind readnone +declare void @llvm.dbg.declare(metadata, metadata) #1 + +attributes #0 = { nounwind ssp uwtable } +attributes #1 = { nounwind readnone } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!18, !19} +!llvm.ident = !{!20} + +!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !13, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [llvm/tools/clang/test/CodeGenCXX/debug-info-varargs.cpp] [DW_LANG_C_plus_plus] +!1 = metadata !{metadata !"llvm/tools/clang/test/CodeGenCXX/debug-info-varargs.cpp", metadata !"radar/13690847"} +!2 = metadata !{} +!3 = metadata !{metadata !4} +!4 = metadata !{i32 786451, metadata !1, null, metadata !"A", i32 3, i64 8, i64 8, i32 0, i32 0, null, metadata !5, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_structure_type ] [A] [line 3, size 8, align 8, offset 0] [def] [from ] +!5 = metadata !{metadata !6} +!6 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"a", metadata !"a", metadata !"_ZN1A1aEiz", i32 6, metadata !7, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !12, i32 6} ; [ DW_TAG_subprogram ] [line 6] [a] +!7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!8 = metadata !{null, metadata !9, metadata !10, metadata !11} +!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A] +!10 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] +!11 = metadata !{i32 786456} +!12 = metadata !{i32 786468} +!13 = metadata !{metadata !14} +!14 = metadata !{i32 786478, metadata !1, metadata !15, metadata !"b", metadata !"b", metadata !"_Z1biz", i32 13, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32, ...)* @_Z1biz, null, null, metadata !2, i32 13} ; [ DW_TAG_subprogram ] [line 13] [def] [b] +!15 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [llvm/tools/clang/test/CodeGenCXX/debug-info-varargs.cpp] +!16 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !17, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!17 = metadata !{null, metadata !10, metadata !11} +!18 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} +!19 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} +!20 = metadata !{metadata !"clang version 3.5 "} +!21 = metadata !{i32 786689, metadata !14, metadata !"c", metadata !15, i32 16777229, metadata !10, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [c] [line 13] +!22 = metadata !{i32 13, i32 0, metadata !14, null} +!23 = metadata !{i32 786688, metadata !14, metadata !"a", metadata !15, i32 16, metadata !4, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 16] +!24 = metadata !{i32 16, i32 0, metadata !14, null} +!25 = metadata !{i32 786688, metadata !14, metadata !"fptr", metadata !15, i32 18, metadata !26, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [fptr] [line 18] +!26 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !16} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ] +!27 = metadata !{i32 18, i32 0, metadata !14, null} +!28 = metadata !{i32 22, i32 0, metadata !14, null} |