mirror of
https://github.com/c64scene-ar/llvm-6502.git
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83902832de
This reverts commit r218918, effectively reapplying r218914 after fixing an Ocaml bindings test and an Asan crash. The root cause of the latter was a tightened-up check in `DILexicalBlock::Verify()`, so I'll file a PR to investigate who requires the loose check (and why). Original commit message follows. -- This patch addresses the first stage of PR17891 by folding constant arguments together into a single MDString. Integers are stringified and a `\0` character is used as a separator. Part of PR17891. Note: I've attached my testcases upgrade scripts to the PR. If I've just broken your out-of-tree testcases, they might help. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219010 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
2.6 KiB
LLVM
47 lines
2.6 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s
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; Checks that we don't emit a size for a pointer type.
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; CHECK: DW_TAG_pointer_type
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; CHECK-NEXT: DW_AT_type
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; CHECK-NOT: DW_AT_byte_size
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; CHECK: DW_TAG
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; CHECK: .debug_info contents
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%struct.A = type { i32 }
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define i32 @_Z3fooP1A(%struct.A* %a) nounwind uwtable ssp {
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entry:
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%a.addr = alloca %struct.A*, align 8
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store %struct.A* %a, %struct.A** %a.addr, align 8
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call void @llvm.dbg.declare(metadata !{%struct.A** %a.addr}, metadata !16, metadata !{metadata !"0x102"}), !dbg !17
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%0 = load %struct.A** %a.addr, align 8, !dbg !18
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%b = getelementptr inbounds %struct.A* %0, i32 0, i32 0, !dbg !18
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%1 = load i32* %b, align 4, !dbg !18
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ret i32 %1, !dbg !18
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!21}
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!0 = metadata !{metadata !"0x11\004\00clang version 3.1 (trunk 150996)\000\00\000\00\000", metadata !20, metadata !1, metadata !1, metadata !3, metadata !1, metadata !1} ; [ DW_TAG_compile_unit ]
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!1 = metadata !{}
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!3 = metadata !{metadata !5}
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!5 = metadata !{metadata !"0x2e\00foo\00foo\00_Z3fooP1A\003\000\001\000\006\00256\000\003", metadata !20, metadata !6, metadata !7, null, i32 (%struct.A*)* @_Z3fooP1A, null, null, null} ; [ DW_TAG_subprogram ]
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!6 = metadata !{metadata !"0x29", metadata !20} ; [ DW_TAG_file_type ]
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!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = metadata !{metadata !9, metadata !10}
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!9 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
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!10 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !11} ; [ DW_TAG_pointer_type ]
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!11 = metadata !{metadata !"0x2\00A\001\0032\0032\000\000\000", metadata !20, null, null, metadata !12, null, null, null} ; [ DW_TAG_class_type ] [A] [line 1, size 32, align 32, offset 0] [def] [from ]
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!12 = metadata !{metadata !13}
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!13 = metadata !{metadata !"0xd\00b\001\0032\0032\000\000", metadata !20, metadata !11, metadata !9} ; [ DW_TAG_member ]
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!16 = metadata !{metadata !"0x101\00a\0016777219\000", metadata !5, metadata !6, metadata !10} ; [ DW_TAG_arg_variable ]
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!17 = metadata !{i32 3, i32 13, metadata !5, null}
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!18 = metadata !{i32 4, i32 3, metadata !19, null}
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!19 = metadata !{metadata !"0xb\003\0016\000", metadata !20, metadata !5} ; [ DW_TAG_lexical_block ]
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!20 = metadata !{metadata !"foo.cpp", metadata !"/Users/echristo"}
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!21 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
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