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4a5feedcaa
This commit moves `MDLocation`, finishing off PR21433. There's an
accompanying clang commit for frontend testcases. I'll attach the
testcase upgrade script I used to PR21433 to help out-of-tree
frontends/backends.
This changes the schema for `DebugLoc` and `DILocation` from:
!{i32 3, i32 7, !7, !8}
to:
!MDLocation(line: 3, column: 7, scope: !7, inlinedAt: !8)
Note that empty fields (line/column: 0 and inlinedAt: null) don't get
printed by the assembly writer.
llvm-svn: 226048
61 lines
3.8 KiB
LLVM
61 lines
3.8 KiB
LLVM
; RUN: llc -O2 < %s | FileCheck %s
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; RUN: llc -O2 -regalloc=basic < %s | FileCheck %s
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; Test to check that unused argument 'this' is not undefined in debug info.
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target triple = "x86_64-apple-darwin10.2"
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%struct.foo = type { i32 }
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@llvm.used = appending global [1 x i8*] [i8* bitcast (i32 (%struct.foo*, i32)* @_ZN3foo3bazEi to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
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define i32 @_ZN3foo3bazEi(%struct.foo* nocapture %this, i32 %x) nounwind readnone optsize noinline ssp align 2 {
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;CHECK: DEBUG_VALUE: baz:this <- RDI{{$}}
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entry:
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tail call void @llvm.dbg.value(metadata %struct.foo* %this, i64 0, metadata !15, metadata !{!"0x102"})
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tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !16, metadata !{!"0x102"})
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%0 = mul nsw i32 %x, 7, !dbg !29 ; <i32> [#uses=1]
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%1 = add nsw i32 %0, 1, !dbg !29 ; <i32> [#uses=1]
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ret i32 %1, !dbg !29
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!4}
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!llvm.module.flags = !{!34}
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!llvm.dbg.lv = !{!0, !14, !15, !16, !17, !24, !25, !28}
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!0 = !{!"0x101\00this\0011\000", !1, !3, !12} ; [ DW_TAG_arg_variable ]
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!1 = !{!"0x2e\00bar\00bar\00_ZN3foo3barEi\0011\000\001\000\006\000\001\0011", !31, !2, !9, null, i32 (%struct.foo*, i32)* null, null, null, null} ; [ DW_TAG_subprogram ]
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!2 = !{!"0x13\00foo\003\0032\0032\000\000\000", !31, !3, null, !5, null, null, null} ; [ DW_TAG_structure_type ] [foo] [line 3, size 32, align 32, offset 0] [def] [from ]
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!3 = !{!"0x29", !31} ; [ DW_TAG_file_type ]
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!4 = !{!"0x11\004\004.2.1 LLVM build\001\00\000\00\000", !31, !32, !32, !33, null, null} ; [ DW_TAG_compile_unit ]
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!5 = !{!6, !1, !8}
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!6 = !{!"0xd\00y\008\0032\0032\000\000", !31, !2, !7} ; [ DW_TAG_member ]
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!7 = !{!"0x24\00int\000\0032\0032\000\000\005", !31, !3} ; [ DW_TAG_base_type ]
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!8 = !{!"0x2e\00baz\00baz\00_ZN3foo3bazEi\0015\000\001\000\006\000\001\0015", !31, !2, !9, null, i32 (%struct.foo*, i32)* @_ZN3foo3bazEi, null, null, null} ; [ DW_TAG_subprogram ]
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!9 = !{!"0x15\00\000\000\000\000\000\000", !31, !3, null, !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!10 = !{!7, !11, !7}
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!11 = !{!"0xf\00\000\0064\0064\000\0064", !31, !3, !2} ; [ DW_TAG_pointer_type ]
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!12 = !{!"0x26\00\000\0064\0064\000\0064", !31, !3, !13} ; [ DW_TAG_const_type ]
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!13 = !{!"0xf\00\000\0064\0064\000\000", !31, !3, !2} ; [ DW_TAG_pointer_type ]
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!14 = !{!"0x101\00x\0011\000", !1, !3, !7} ; [ DW_TAG_arg_variable ]
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!15 = !{!"0x101\00this\0015\000", !8, !3, !12} ; [ DW_TAG_arg_variable ]
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!16 = !{!"0x101\00x\0015\000", !8, !3, !7} ; [ DW_TAG_arg_variable ]
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!17 = !{!"0x101\00argc\0019\000", !18, !3, !7} ; [ DW_TAG_arg_variable ]
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!18 = !{!"0x2e\00main\00main\00main\0019\000\001\000\006\000\001\0019", !31, !3, !19, null, null, null, null, null} ; [ DW_TAG_subprogram ]
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!19 = !{!"0x15\00\000\000\000\000\000\000", !31, !3, null, !20, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!20 = !{!7, !7, !21}
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!21 = !{!"0xf\00\000\0064\0064\000\000", !31, !3, !22} ; [ DW_TAG_pointer_type ]
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!22 = !{!"0xf\00\000\0064\0064\000\000", !31, !3, !23} ; [ DW_TAG_pointer_type ]
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!23 = !{!"0x24\00char\000\008\008\000\000\006", !31, !3} ; [ DW_TAG_base_type ]
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!24 = !{!"0x101\00argv\0019\000", !18, !3, !21} ; [ DW_TAG_arg_variable ]
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!25 = !{!"0x100\00a\0020\000", !26, !3, !2} ; [ DW_TAG_auto_variable ]
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!26 = !{!"0xb\0019\000\000", !31, !27} ; [ DW_TAG_lexical_block ]
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!27 = !{!"0xb\0019\000\000", !31, !18} ; [ DW_TAG_lexical_block ]
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!28 = !{!"0x100\00b\0021\000", !26, !3, !7} ; [ DW_TAG_auto_variable ]
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!29 = !MDLocation(line: 16, scope: !30)
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!30 = !{!"0xb\0015\000\000", !31, !8} ; [ DW_TAG_lexical_block ]
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!31 = !{!"foo.cp", !"/tmp/"}
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!32 = !{i32 0}
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!33 = !{!1, !8, !18}
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!34 = !{i32 1, !"Debug Info Version", i32 2}
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