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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
52 lines
1.9 KiB
LLVM
52 lines
1.9 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf < %s -filetype=obj | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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; Test that a nodebug function (a function not appearing in the debug info IR
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; metadata subprogram list) with DebugLocs on its IR doesn't cause crashes/does
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; the right thing.
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; Build with clang from the following:
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; extern int i;
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; inline __attribute__((always_inline)) void f1() {
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; i = 3;
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; }
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;
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; __attribute__((nodebug)) void f2() {
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; f1();
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; }
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; Check that there's only one DW_TAG_subprogram, nothing for the 'f2' function.
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "f1"
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; CHECK-NOT: DW_TAG_subprogram
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@i = external global i32
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; Function Attrs: uwtable
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define void @_Z2f2v() #0 {
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entry:
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store i32 3, i32* @i, align 4, !dbg !11
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ret void
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}
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attributes #0 = { 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\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/nodebug.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"nodebug.cpp", !"/tmp/dbginfo"}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x2e\00f1\00f1\00_Z2f1v\002\000\001\000\006\00256\000\002", !1, !5, !6, null, null, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [f1]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/nodebug.cpp]
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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 2, !"Debug Info Version", i32 2}
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!10 = !{!"clang version 3.5.0 "}
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!11 = !MDLocation(line: 3, scope: !4)
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