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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
47 lines
2.1 KiB
LLVM
47 lines
2.1 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj < %s \
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; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V4
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; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj -dwarf-version=3 < %s \
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; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V3
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; Check that we use DW_AT_low_pc and that it has the right encoding depending
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; on dwarf version.
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; CHECK: DW_TAG_compile_unit [1]
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
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; CHECK-NOT: DW_TAG
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; CHECK-V3: DW_AT_high_pc [DW_FORM_addr]
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; CHECK-V4: DW_AT_high_pc [DW_FORM_data4]
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; CHECK: DW_TAG_subprogram [2]
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_low_pc [DW_FORM_addr]
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; CHECK-NOT: DW_TAG
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; CHECK-V3: DW_AT_high_pc [DW_FORM_addr]
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; CHECK-V4: DW_AT_high_pc [DW_FORM_data4]
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; Function Attrs: nounwind uwtable
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define void @z() #0 {
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entry:
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ret void, !dbg !11
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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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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!8, !9}
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!llvm.ident = !{!10}
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!0 = !{!"0x11\0012\00clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)\000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/z.c] [DW_LANG_C99]
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!1 = !{!"z.c", !"/usr/local/google/home/echristo"}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x2e\00z\00z\00\001\000\001\000\006\00256\000\001", !1, !5, !6, null, void ()* @z, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [z]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/z.c]
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!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = !{null}
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!8 = !{i32 2, !"Dwarf Version", i32 4}
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!9 = !{i32 1, !"Debug Info Version", i32 2}
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!10 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}
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!11 = !MDLocation(line: 1, scope: !4)
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