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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
75 lines
3.2 KiB
LLVM
75 lines
3.2 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf -O0 -filetype=obj %s -o %t
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; RUN: llvm-dwarfdump %t | FileCheck %s
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; Check that we emit ranges for this CU since we have a function with and
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; without debug info.
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; Note: This depends upon the order of output in the .o file. Currently it's
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; in order of the output to make sure that the CU has multiple ranges since
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; there's a function in the middle. If they were together then it would have
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; a single range and no DW_AT_ranges.
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_AT_ranges
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_TAG_subprogram
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; Function Attrs: nounwind uwtable
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define i32 @b(i32 %c) #0 {
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entry:
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%c.addr = alloca i32, align 4
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store i32 %c, i32* %c.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %c.addr, metadata !13, metadata !{!"0x102"}), !dbg !14
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%0 = load i32* %c.addr, align 4, !dbg !14
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%add = add nsw i32 %0, 1, !dbg !14
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ret i32 %add, !dbg !14
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}
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; Function Attrs: nounwind uwtable
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define i32 @a(i32 %b) #0 {
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entry:
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%b.addr = alloca i32, align 4
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store i32 %b, i32* %b.addr, align 4
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%0 = load i32* %b.addr, align 4
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%add = add nsw i32 %0, 1
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ret i32 %add
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind uwtable
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define i32 @d(i32 %e) #0 {
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entry:
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%e.addr = alloca i32, align 4
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store i32 %e, i32* %e.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %e.addr, metadata !15, metadata !{!"0x102"}), !dbg !16
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%0 = load i32* %e.addr, align 4, !dbg !16
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%add = add nsw i32 %0, 1, !dbg !16
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ret i32 %add, !dbg !16
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}
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.ident = !{!0, !0}
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!llvm.dbg.cu = !{!1}
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!llvm.module.flags = !{!11, !12}
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!0 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}
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!1 = !{!"0x11\0012\00clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)\000\00\000\00\001", !2, !3, !3, !4, !3, !3} ; [ DW_TAG_compile_unit ]
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!2 = !{!"b.c", !"/usr/local/google/home/echristo"}
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!3 = !{}
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!4 = !{!5, !10}
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!5 = !{!"0x2e\00b\00b\00\001\000\001\000\006\00256\000\001", !2, !6, !7, null, i32 (i32)* @b, null, null, !3} ; [ DW_TAG_subprogram ] [line 1] [def] [b]
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!6 = !{!"0x29", !2} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/b.c]
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!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = !{!9, !9}
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!9 = !{!"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 = !{!"0x2e\00d\00d\00\003\000\001\000\006\00256\000\003", !2, !6, !7, null, i32 (i32)* @d, null, null, !3} ; [ DW_TAG_subprogram ] [line 3] [def] [d]
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!11 = !{i32 2, !"Dwarf Version", i32 4}
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!12 = !{i32 1, !"Debug Info Version", i32 2}
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!13 = !{!"0x101\00c\0016777217\000", !5, !6, !9} ; [ DW_TAG_arg_variable ] [c] [line 1]
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!14 = !MDLocation(line: 1, scope: !5)
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!15 = !{!"0x101\00e\0016777219\000", !10, !6, !9} ; [ DW_TAG_arg_variable ] [e] [line 3]
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!16 = !MDLocation(line: 3, scope: !10)
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