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37ac8d3622
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226048 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
1.5 KiB
LLVM
35 lines
1.5 KiB
LLVM
; RUN: llc %s -mtriple=x86_64-pc-linux-gnu -O0 -o - | FileCheck %s
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; We are testing that a value in a 16 bit register gets reported as
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; being in its superregister.
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; CHECK: .byte 80 # super-register DW_OP_reg0
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; CHECK-NEXT: .byte 147 # DW_OP_piece
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; CHECK-NEXT: .byte 2 # 2
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define i16 @f(i16 signext %zzz) nounwind {
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entry:
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call void @llvm.dbg.value(metadata i16 %zzz, i64 0, metadata !0, metadata !{!"0x102"})
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%conv = sext i16 %zzz to i32, !dbg !7
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%conv1 = trunc i32 %conv to i16
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ret i16 %conv1
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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 = !{!3}
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!llvm.module.flags = !{!11}
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!9 = !{!1}
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!0 = !{!"0x101\00zzz\0016777219\000", !1, !2, !6} ; [ DW_TAG_arg_variable ]
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!1 = !{!"0x2e\00f\00f\00\003\000\001\000\006\00256\000\003", !10, !2, !4, null, i16 (i16)* @f, null, null, null} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
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!2 = !{!"0x29", !10} ; [ DW_TAG_file_type ]
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!3 = !{!"0x11\0012\00clang version 3.0 ()\000\00\000\00\001", !10, !5, !5, !9, null, null} ; [ DW_TAG_compile_unit ]
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!4 = !{!"0x15\00\000\000\000\000\000\000", !10, !2, null, !5, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!5 = !{null}
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!6 = !{!"0x24\00short\000\0016\0016\000\000\005", null, !3} ; [ DW_TAG_base_type ]
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!7 = !MDLocation(line: 4, column: 22, scope: !8)
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!8 = !{!"0xb\003\0019\000", !10, !1} ; [ DW_TAG_lexical_block ]
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!10 = !{!"/home/espindola/llvm/test.c", !"/home/espindola/tmpfs/build"}
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!11 = !{i32 1, !"Debug Info Version", i32 2}
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