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1ef70ff39b
Now that `Metadata` is typeless, reflect that in the assembly. These
are the matching assembly changes for the metadata/value split in
r223802.
- Only use the `metadata` type when referencing metadata from a call
intrinsic -- i.e., only when it's used as a `Value`.
- Stop pretending that `ValueAsMetadata` is wrapped in an `MDNode`
when referencing it from call intrinsics.
So, assembly like this:
define @foo(i32 %v) {
call void @llvm.foo(metadata !{i32 %v}, metadata !0)
call void @llvm.foo(metadata !{i32 7}, metadata !0)
call void @llvm.foo(metadata !1, metadata !0)
call void @llvm.foo(metadata !3, metadata !0)
call void @llvm.foo(metadata !{metadata !3}, metadata !0)
ret void, !bar !2
}
!0 = metadata !{metadata !2}
!1 = metadata !{i32* @global}
!2 = metadata !{metadata !3}
!3 = metadata !{}
turns into this:
define @foo(i32 %v) {
call void @llvm.foo(metadata i32 %v, metadata !0)
call void @llvm.foo(metadata i32 7, metadata !0)
call void @llvm.foo(metadata i32* @global, metadata !0)
call void @llvm.foo(metadata !3, metadata !0)
call void @llvm.foo(metadata !{!3}, metadata !0)
ret void, !bar !2
}
!0 = !{!2}
!1 = !{i32* @global}
!2 = !{!3}
!3 = !{}
I wrote an upgrade script that handled almost all of the tests in llvm
and many of the tests in cfe (even handling many `CHECK` lines). I've
attached it (or will attach it in a moment if you're speedy) to PR21532
to help everyone update their out-of-tree testcases.
This is part of PR21532.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224257 91177308-0d34-0410-b5e6-96231b3b80d8
103 lines
3.9 KiB
LLVM
103 lines
3.9 KiB
LLVM
; REQUIRES: object-emission
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;
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; RUN: llvm-link %s %p/type-unique-odr-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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;
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; Test ODR-based type uniquing for C++ class members.
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; rdar://problem/15851313.
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;
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; $ cat -n type-unique-odr-a.cpp
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; 1 class A {
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; 2 int data;
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; 3 protected:
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; 4 void getFoo();
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; 5 };
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; 6
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; 7 static void bar() {
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; 8 A a;
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; 9 }
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; 10
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; 11 void baz() { bar(); }
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;; #include "ab.h"
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; foo_t bar() {
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; return A().getFoo();
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; }
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;
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; CHECK: DW_TAG_class_type
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; CHECK-NEXT: DW_AT_name {{.*}} "A"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_member
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; CHECK-NEXT: DW_AT_name {{.*}} "data"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1A6getFooEv"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "getFoo"
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_Z3bazv"
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZL3barv"
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; getFoo and A may only appear once.
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; CHECK-NOT: AT_name{{.*(getFoo)|("A")}}
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; ModuleID = 'type-unique-odr-a.cpp'
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%class.A = type { i32 }
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; Function Attrs: nounwind
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define void @_Z3bazv() #0 {
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entry:
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call void @_ZL3barv(), !dbg !23
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ret void, !dbg !23
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}
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; Function Attrs: nounwind
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define internal void @_ZL3barv() #0 {
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entry:
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%a = alloca %class.A, align 4
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call void @llvm.dbg.declare(metadata %class.A* %a, metadata !24, metadata !{!"0x102"}), !dbg !25
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ret void, !dbg !26
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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 }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!20, !21}
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!llvm.ident = !{!22}
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!0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !3, !14, !2, !2} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
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!1 = !{!"<unknown>", !""}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x2\00A\001\0032\0032\000\000\000", !5, null, null, !6, null, null, !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 1, size 32, align 32, offset 0] [def] [from ]
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!5 = !{!"type-unique-odr-a.cpp", !""}
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!6 = !{!7, !9}
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!7 = !{!"0xd\00data\002\0032\0032\000\001", !5, !"_ZTS1A", !8} ; [ DW_TAG_member ] [data] [line 2, size 32, align 32, offset 0] [private] [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 = !{!"0x2e\00getFoo\00getFoo\00_ZN1A6getFooEv\004\000\000\000\006\00258\000\004", !5, !"_ZTS1A", !10, null, null, null, i32 0, !13} ; [ DW_TAG_subprogram ] [line 4] [protected] [getFoo]
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!10 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!11 = !{null, !12}
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!12 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
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!13 = !{i32 786468}
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!14 = !{!15, !19}
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!15 = !{!"0x2e\00baz\00baz\00_Z3bazv\0011\000\001\000\006\00256\000\0011", !5, !16, !17, null, void ()* @_Z3bazv, null, null, !2} ; [ DW_TAG_subprogram ] [line 11] [def] [baz]
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!16 = !{!"0x29", !5} ; [ DW_TAG_file_type ] [type-unique-odr-a.cpp]
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!17 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !18, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!18 = !{null}
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!19 = !{!"0x2e\00bar\00bar\00_ZL3barv\007\001\001\000\006\00256\000\007", !5, !16, !17, null, void ()* @_ZL3barv, null, null, !2} ; [ DW_TAG_subprogram ] [line 7] [local] [def] [bar]
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!20 = !{i32 2, !"Dwarf Version", i32 4}
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!21 = !{i32 1, !"Debug Info Version", i32 2}
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!22 = !{!"clang version 3.5.0 "}
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!23 = !{i32 11, i32 0, !15, null}
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!24 = !{!"0x100\00a\008\000", !19, !16, !"_ZTS1A"} ; [ DW_TAG_auto_variable ] [a] [line 8]
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!25 = !{i32 8, i32 0, !19, null}
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!26 = !{i32 9, i32 0, !19, null}
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