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https://github.com/RPCS3/llvm-mirror.git
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c1be4794ba
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. llvm-svn: 219010
105 lines
5.2 KiB
LLVM
105 lines
5.2 KiB
LLVM
; RUN: llc -O0 %s -mtriple=x86_64-apple-darwin -filetype=obj -o %t
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; RUN: llvm-dwarfdump %t | FileCheck %s
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; RUN: llc -O0 %s -mtriple=x86_64-apple-darwin -filetype=obj -o %t -dwarf-version=3
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; RUN: llvm-dwarfdump %t | FileCheck %s -check-prefix=DWARF3
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; RUN: llc < %s -O0 -mtriple=x86_64-apple-macosx10.7 | FileCheck %s -check-prefix=ASM
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; rdar://13067005
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; CHECK: .debug_info contents:
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000)
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; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
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; CHECK: DW_AT_high_pc [DW_FORM_data4] (0x00000010)
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
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; CHECK: DW_AT_high_pc [DW_FORM_data4] (0x00000010)
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset] (0x0000003c)
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; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000010)
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; CHECK: DW_AT_high_pc [DW_FORM_data4] (0x00000009)
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000010)
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; CHECK: DW_AT_high_pc [DW_FORM_data4] (0x00000009)
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; CHECK: .debug_line contents:
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; CHECK-NEXT: Line table prologue:
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; CHECK-NEXT: total_length: 0x00000038
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; CHECK: file_names[ 1] 0 0x00000000 0x00000000 simple.c
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; CHECK: Line table prologue:
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; CHECK-NEXT: total_length: 0x00000039
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; CHECK: file_names[ 1] 0 0x00000000 0x00000000 simple2.c
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; CHECK-NOT: file_names
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; DWARF3: .debug_info contents:
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; DWARF3: DW_TAG_compile_unit
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; DWARF3: DW_AT_stmt_list [DW_FORM_data4] (0x00000000)
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; DWARF3: DW_TAG_compile_unit
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; DWARF3: DW_AT_stmt_list [DW_FORM_data4] (0x0000003c)
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; DWARF3: .debug_line contents:
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; DWARF3-NEXT: Line table prologue:
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; DWARF3-NEXT: total_length: 0x00000038
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; DWARF3: file_names[ 1] 0 0x00000000 0x00000000 simple.c
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; DWARF3: Line table prologue:
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; DWARF3-NEXT: total_length: 0x00000039
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; DWARF3: file_names[ 1] 0 0x00000000 0x00000000 simple2.c
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; DWARF3-NOT: file_names
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; PR15408
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; ASM: L__DWARF__debug_info_begin0:
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; ASM: Lset3 = Lline_table_start0-Lsection_line ## DW_AT_stmt_list
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; ASM-NEXT: .long Lset3
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; ASM: L__DWARF__debug_info_begin1:
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; ASM: Lset13 = Lline_table_start0-Lsection_line ## DW_AT_stmt_list
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; ASM-NEXT: .long Lset13
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define i32 @test(i32 %a) nounwind uwtable ssp {
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entry:
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%a.addr = alloca i32, align 4
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store i32 %a, i32* %a.addr, align 4
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call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !15, metadata !{metadata !"0x102"}), !dbg !16
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%0 = load i32* %a.addr, align 4, !dbg !17
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%call = call i32 @fn(i32 %0), !dbg !17
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ret i32 %call, !dbg !17
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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define i32 @fn(i32 %a) nounwind uwtable ssp {
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entry:
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%a.addr = alloca i32, align 4
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store i32 %a, i32* %a.addr, align 4
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call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !19, metadata !{metadata !"0x102"}), !dbg !20
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%0 = load i32* %a.addr, align 4, !dbg !21
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ret i32 %0, !dbg !21
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}
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!llvm.dbg.cu = !{!0, !10}
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!llvm.module.flags = !{!25}
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!0 = metadata !{metadata !"0x11\0012\00clang version 3.3\000\00\000\00\001", metadata !23, 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\00test\00test\00\002\000\001\000\006\00256\000\003", metadata !23, metadata !6, metadata !7, null, i32 (i32)* @test, null, null, metadata !1} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 3] [test]
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!6 = metadata !{metadata !"0x29", metadata !23} ; [ 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 !9}
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!9 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!10 = metadata !{metadata !"0x11\0012\00clang version 3.3 (trunk 172862)\000\00\000\00\001", metadata !24, metadata !1, metadata !1, metadata !11, metadata !1, metadata !1} ; [ DW_TAG_compile_unit ]
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!11 = metadata !{metadata !13}
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!13 = metadata !{metadata !"0x2e\00fn\00fn\00\001\000\001\000\006\00256\000\001", metadata !24, metadata !14, metadata !7, null, i32 (i32)* @fn, null, null, metadata !1} ; [ DW_TAG_subprogram ] [line 1] [def] [fn]
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!14 = metadata !{metadata !"0x29", metadata !24} ; [ DW_TAG_file_type ]
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!15 = metadata !{metadata !"0x101\00a\0016777218\000", metadata !5, metadata !6, metadata !9} ; [ DW_TAG_arg_variable ] [a] [line 2]
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!16 = metadata !{i32 2, i32 0, metadata !5, null}
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!17 = metadata !{i32 4, i32 0, metadata !18, null}
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!18 = metadata !{metadata !"0xb\003\000\000", metadata !23, metadata !5} ; [ DW_TAG_lexical_block ]
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!19 = metadata !{metadata !"0x101\00a\0016777217\000", metadata !13, metadata !14, metadata !9} ; [ DW_TAG_arg_variable ] [a] [line 1]
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!20 = metadata !{i32 1, i32 0, metadata !13, null}
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!21 = metadata !{i32 2, i32 0, metadata !22, null}
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!22 = metadata !{metadata !"0xb\001\000\000", metadata !24, metadata !13} ; [ DW_TAG_lexical_block ]
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!23 = metadata !{metadata !"simple.c", metadata !"/private/tmp"}
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!24 = metadata !{metadata !"simple2.c", metadata !"/private/tmp"}
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!25 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
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