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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
92 lines
3.8 KiB
LLVM
92 lines
3.8 KiB
LLVM
; REQUIRES: object-emission
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; RUN: llvm-link %s %p/type-unique-simple-b.ll -S -o %t
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; RUN: cat %t | FileCheck %s -check-prefix=LINK
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; RUN: %llc_dwarf -filetype=obj -O0 < %t > %t2
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; RUN: llvm-dwarfdump -debug-dump=info %t2 | FileCheck %s
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; Make sure the backend generates a single DIE and uses ref_addr.
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; CHECK: 0x[[BASE:.*]]: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name {{.*}} = "Base"
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; CHECK-NOT: DW_TAG_structure_type
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; CHECK: 0x[[INT:.*]]: DW_TAG_base_type
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; CHECK-NEXT: DW_AT_name {{.*}} = "int"
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; CHECK-NOT: DW_TAG_base_type
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_TAG_formal_parameter
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; CHECK: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[INT]])
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; CHECK: DW_TAG_variable
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; CHECK: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[BASE]])
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; Make sure llvm-link only generates a single copy of the struct.
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; LINK: DW_TAG_structure_type
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; LINK-NOT: DW_TAG_structure_type
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; Content of header files:
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; struct Base {
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; int a;
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; };
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; Content of foo.cpp:
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;
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; #include "a.hpp"
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; void f(int a) {
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; Base t;
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; }
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; Content of bar.cpp:
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;
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; #include "a.hpp"
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; void f(int);
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; void g(int a) {
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; Base t;
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; }
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; int main() {
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; f(0);
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; g(1);
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; return 0;
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; }
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; ModuleID = 'foo.cpp'
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%struct.Base = type { i32 }
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; Function Attrs: nounwind ssp uwtable
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define void @_Z1fi(i32 %a) #0 {
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entry:
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%a.addr = alloca i32, align 4
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%t = alloca %struct.Base, align 4
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store i32 %a, i32* %a.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !15, metadata !{!"0x102"}), !dbg !16
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call void @llvm.dbg.declare(metadata %struct.Base* %t, metadata !17, metadata !{!"0x102"}), !dbg !18
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ret void, !dbg !19
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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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attributes #0 = { nounwind ssp 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.dbg.cu = !{!0}
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!llvm.module.flags = !{!14, !20}
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!0 = !{!"0x11\004\00clang version 3.4 (http://llvm.org/git/clang.git c23b1db6268c8e7ce64026d57d1510c1aac200a0) (http://llvm.org/git/llvm.git 09b98fe3978eddefc2145adc1056cf21580ce945)\000\00\000\00\000", !1, !2, !3, !9, !2, !2} ; [ DW_TAG_compile_unit ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"foo.cpp", !"/Users/mren/c_testing/type_unique_air/simple"}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x13\00Base\001\0032\0032\000\000\000", !5, null, null, !6, null, null, !"_ZTS4Base"} ; [ DW_TAG_structure_type ] [Base] [line 1, size 32, align 32, offset 0] [def] [from ]
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!5 = !{!"./a.hpp", !"/Users/mren/c_testing/type_unique_air/simple"}
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!6 = !{!7}
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!7 = !{!"0xd\00a\002\0032\0032\000\000", !5, !"_ZTS4Base", !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
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!8 = !{!"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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!9 = !{!10}
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!10 = !{!"0x2e\00f\00f\00_Z1fi\003\000\001\000\006\00256\000\003", !1, !11, !12, null, void (i32)* @_Z1fi, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
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!11 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/Users/mren/c_testing/type_unique_air/simple/foo.cpp]
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!12 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !13, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!13 = !{null, !8}
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!14 = !{i32 2, !"Dwarf Version", i32 2}
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!15 = !{!"0x101\00a\0016777219\000", !10, !11, !8} ; [ DW_TAG_arg_variable ] [a] [line 3]
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!16 = !MDLocation(line: 3, scope: !10)
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!17 = !{!"0x100\00t\004\000", !10, !11, !4} ; [ DW_TAG_auto_variable ] [t] [line 4]
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!18 = !MDLocation(line: 4, scope: !10)
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!19 = !MDLocation(line: 5, scope: !10)
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!20 = !{i32 1, !"Debug Info Version", i32 2}
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