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Add a name for the anonymous type we're creating for subrange

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types and a FIXME for what we should be doing. Should solve the
immediacy of PR12069 where our debug info is crashing another
tool.

llvm-svn: 171536
This commit is contained in:
Eric Christopher 2013-01-04 21:51:53 +00:00
parent c63800aa94
commit 3f90fbe286
5 changed files with 83 additions and 39 deletions
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3
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
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@ -1329,10 +1329,13 @@ void CompileUnit::constructArrayTypeDIE(DIE &Buffer,
DIArray Elements = CTy->getTypeArray();
// Get an anonymous type for index type.
// FIXME: This type should be passed down from the front end
// as different languages may have different sizes for indexes.
DIE *IdxTy = getIndexTyDie();
if (!IdxTy) {
// Construct an anonymous type for index type.
IdxTy = new DIE(dwarf::DW_TAG_base_type);
addString(IdxTy, dwarf::DW_AT_name, "int");
addUInt(IdxTy, dwarf::DW_AT_byte_size, 0, sizeof(int32_t));
addUInt(IdxTy, dwarf::DW_AT_encoding, dwarf::DW_FORM_data1,
dwarf::DW_ATE_signed);

36
test/DebugInfo/X86/empty-and-one-elem-array.ll
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@ -29,33 +29,33 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
; should.
; CHECK: 0x00000074: DW_TAG_base_type [5]
; CHECK-NEXT: 0x00000075: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000043] = "int")
; CHECK-NEXT: 0x00000079: DW_AT_encoding [DW_FORM_data1] (0x05)
; CHECK-NEXT: 0x0000007a: DW_AT_byte_size [DW_FORM_data1] (0x04)
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000043] = "int")
; CHECK-NEXT: DW_AT_encoding [DW_FORM_data1] (0x05)
; CHECK-NEXT: DW_AT_byte_size [DW_FORM_data1] (0x04)
; int[1]:
; CHECK: 0x0000007e: DW_TAG_array_type [7] *
; CHECK-NEXT: 0x0000007f: DW_AT_type [DW_FORM_ref4] (cu + 0x0074 => {0x00000074})
; CHECK: 0x00000083: DW_TAG_subrange_type [8]
; CHECK-NEXT: 0x00000084: DW_AT_type [DW_FORM_ref4] (cu + 0x007b => {0x0000007b})
; CHECK-NEXT: 0x00000088: DW_AT_upper_bound [DW_FORM_data1] (0x00)
; CHECK: 0x00000082: DW_TAG_array_type [7] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0074 => {0x00000074})
; CHECK: 0x00000087: DW_TAG_subrange_type [8]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x007b => {0x0000007b})
; CHECK-NEXT: DW_AT_upper_bound [DW_FORM_data1] (0x00)
; int foo::b[1]:
; CHECK: 0x000000a1: DW_TAG_member [10]
; CHECK-NEXT: 0x000000a2: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000050] = "b")
; CHECK-NEXT: 0x000000a6: DW_AT_type [DW_FORM_ref4] (cu + 0x007e => {0x0000007e})
; CHECK: 0x000000a5: DW_TAG_member [10]
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000050] = "b")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0082 => {0x00000082})
; int[0]:
; CHECK: 0x000000b1: DW_TAG_array_type [7] *
; CHECK-NEXT: 0x000000b2: DW_AT_type [DW_FORM_ref4] (cu + 0x0074 => {0x00000074})
; CHECK: 0x000000b6: DW_TAG_subrange_type [11]
; CHECK-NEXT: 0x000000b7: DW_AT_type [DW_FORM_ref4] (cu + 0x007b => {0x0000007b})
; CHECK: 0x000000b5: DW_TAG_array_type [7] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0074 => {0x00000074})
; CHECK: 0x000000ba: DW_TAG_subrange_type [11]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x007b => {0x0000007b})
; CHECK-NOT: DW_AT_upper_bound
; int bar::b[0]:
; CHECK: 0x000000d3: DW_TAG_member [10]
; CHECK-NEXT: 0x000000d4: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000050] = "b")
; CHECK-NEXT: 0x000000d8: DW_AT_type [DW_FORM_ref4] (cu + 0x00b1 => {0x000000b1})
; CHECK: 0x000000d7: DW_TAG_member [10]
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000050] = "b")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x00b5 => {0x000000b5})
!llvm.dbg.cu = !{!0}

19
test/DebugInfo/X86/empty-array.ll
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@ -7,19 +7,20 @@
@a = global %class.A zeroinitializer, align 4
; CHECK: 0x0000002d: DW_TAG_base_type [3]
; CHECK-NEXT: 0x0000002e: DW_AT_byte_size [DW_FORM_data1] (0x04)
; CHECK-NEXT: 0x0000002f: DW_AT_encoding [DW_FORM_data1] (0x05)
; CHECK-NEXT: DW_AT_name
; CHECK-NEXT: DW_AT_byte_size [DW_FORM_data1] (0x04)
; CHECK-NEXT: DW_AT_encoding [DW_FORM_data1] (0x05)
; CHECK: 0x00000030: DW_TAG_array_type [4] *
; CHECK-NEXT: 0x00000031: DW_AT_type [DW_FORM_ref4] (cu + 0x0026 => {0x00000026})
; CHECK: 0x00000034: DW_TAG_array_type [4] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0026 => {0x00000026})
; CHECK: 0x00000035: DW_TAG_subrange_type [5]
; CHECK-NEXT: 0x00000036: DW_AT_type [DW_FORM_ref4] (cu + 0x002d => {0x0000002d})
; CHECK: 0x00000039: DW_TAG_subrange_type [5]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x002d => {0x0000002d})
; CHECK-NOT: DW_AT_upper_bound
; CHECK: 0x00000048: DW_TAG_member [8]
; CHECK-NEXT: 0x00000049: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000003f] = "x")
; CHECK-NEXT: 0x0000004d: DW_AT_type [DW_FORM_ref4] (cu + 0x0030 => {0x00000030})
; CHECK: DW_TAG_member [8]
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000003f] = "x")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0034 => {0x00000034})
!llvm.dbg.cu = !{!0}

25
test/DebugInfo/X86/nondefault-subrange-array.ll
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@ -8,21 +8,22 @@
; Check that we can handle non-default array bounds. In this case, the array
; goes from [-3, 38].
; CHECK: 0x0000002d: DW_TAG_base_type [3]
; CHECK-NEXT: 0x0000002e: DW_AT_byte_size [DW_FORM_data1] (0x04)
; CHECK-NEXT: 0x0000002f: DW_AT_encoding [DW_FORM_data1] (0x05)
; CHECK: 0x0000002d: DW_TAG_base_type [3]
; CHECK-NEXT: 0x0000002e: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000041] = "int")
; CHECK-NEXT: 0x00000032: DW_AT_byte_size [DW_FORM_data1] (0x04)
; CHECK-NEXT: 0x00000033: DW_AT_encoding [DW_FORM_data1] (0x05)
; CHECK: 0x00000030: DW_TAG_array_type [4] *
; CHECK-NEXT: 0x00000031: DW_AT_type [DW_FORM_ref4] (cu + 0x0026 => {0x00000026})
; CHECK: 0x00000034: DW_TAG_array_type [4] *
; CHECK-NEXT: 0x00000035: DW_AT_type [DW_FORM_ref4] (cu + 0x0026 => {0x00000026})
; CHECK: 0x00000035: DW_TAG_subrange_type [5]
; CHECK-NEXT: 0x00000036: DW_AT_type [DW_FORM_ref4] (cu + 0x002d => {0x0000002d})
; CHECK-NEXT: 0x0000003a: DW_AT_lower_bound [DW_FORM_data8] (0xfffffffffffffffd)
; CHECK-NEXT: 0x00000042: DW_AT_upper_bound [DW_FORM_data1] (0x26)
; CHECK: 0x00000039: DW_TAG_subrange_type [5]
; CHECK-NEXT: 0x0000003a: DW_AT_type [DW_FORM_ref4] (cu + 0x002d => {0x0000002d})
; CHECK-NEXT: 0x0000003e: DW_AT_lower_bound [DW_FORM_data8] (0xfffffffffffffffd)
; CHECK-NEXT: 0x00000046: DW_AT_upper_bound [DW_FORM_data1] (0x26)
; CHECK: 0x00000051: DW_TAG_member [8]
; CHECK-NEXT: 0x00000052: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000003f] = "x")
; CHECK-NEXT: 0x00000056: DW_AT_type [DW_FORM_ref4] (cu + 0x0030 => {0x00000030})
; CHECK: 0x00000055: DW_TAG_member [8]
; CHECK-NEXT: 0x00000056: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000003f] = "x")
; CHECK-NEXT: 0x0000005a: DW_AT_type [DW_FORM_ref4] (cu + 0x0034 => {0x00000034})
!llvm.dbg.cu = !{!0}

39
test/DebugInfo/X86/subrange-type.ll Normal file
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@ -0,0 +1,39 @@
; RUN: llc -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
; RUN: llvm-dwarfdump %t | FileCheck %s
; Make sure that the base type from the subrange type has a name.
; CHECK: 0x0000006b: DW_TAG_base_type [6]
; CHECK-NEXT: DW_AT_name
; CHECK: DW_TAG_subrange_type [8]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x006b => {0x0000006b})
define i32 @main() nounwind uwtable {
entry:
%retval = alloca i32, align 4
%i = alloca [2 x i32], align 4
store i32 0, i32* %retval
call void @llvm.dbg.declare(metadata !{[2 x i32]* %i}, metadata !10), !dbg !15
ret i32 0, !dbg !16
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
!llvm.dbg.cu = !{!0}
!0 = metadata !{i32 786449, i32 0, i32 12, metadata !"foo.c", metadata !"/usr/local/google/home/echristo/tmp", metadata !"clang version 3.3 (trunk 171472) (llvm/trunk 171487)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/foo.c] [DW_LANG_C99]
!1 = metadata !{metadata !2}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5}
!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"main", metadata !"main", metadata !"", metadata !6, i32 2, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !1, i32 3} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 3] [main]
!6 = metadata !{i32 786473, metadata !"foo.c", metadata !"/usr/local/google/home/echristo/tmp", null} ; [ DW_TAG_file_type ]
!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{metadata !9}
!9 = metadata !{i32 786468, null, metadata !"int", null, 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]
!10 = metadata !{i32 786688, metadata !11, metadata !"i", metadata !6, i32 4, metadata !12, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [i] [line 4]
!11 = metadata !{i32 786443, metadata !5, i32 3, i32 0, metadata !6, i32 0} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/foo.c]
!12 = metadata !{i32 786433, null, metadata !"", null, i32 0, i64 64, i64 32, i32 0, i32 0, metadata !9, metadata !13, i32 0, i32 0} ; [ DW_TAG_array_type ] [line 0, size 64, align 32, offset 0] [from int]
!13 = metadata !{metadata !14}
!14 = metadata !{i32 786465, i64 0, i64 2} ; [ DW_TAG_subrange_type ] [0, 1]
!15 = metadata !{i32 4, i32 0, metadata !11, null}
!16 = metadata !{i32 6, i32 0, metadata !11, null}