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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
80 lines
3.6 KiB
LLVM
80 lines
3.6 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf -filetype=obj < %s > %t
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; RUN: llvm-dwarfdump %t | FileCheck %s
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; IR generated from clang -O -g with the following source
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;
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; void f1(int x, int y);
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; void f3(int line);
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; void f2() {
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; f1(1, 2);
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; }
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; void f1(int x, int y) {
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; f3(y);
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; }
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; CHECK: DW_AT_name{{.*}}"f1"
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name{{.*}}"x"
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name{{.*}}"y"
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; Function Attrs: uwtable
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define void @_Z2f2v() #0 {
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tail call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !16, metadata !{!"0x102"}), !dbg !18
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tail call void @llvm.dbg.value(metadata i32 2, i64 0, metadata !20, metadata !{!"0x102"}), !dbg !18
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tail call void @_Z2f3i(i32 2), !dbg !21
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ret void, !dbg !22
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}
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; Function Attrs: uwtable
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define void @_Z2f1ii(i32 %x, i32 %y) #0 {
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tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !13, metadata !{!"0x102"}), !dbg !23
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tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !14, metadata !{!"0x102"}), !dbg !23
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tail call void @_Z2f3i(i32 %y), !dbg !24
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ret void, !dbg !25
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}
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declare void @_Z2f3i(i32) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
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attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!26}
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!0 = !{!"0x11\004\00clang version 3.4 \001\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/exp.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"exp.cpp", !"/usr/local/google/home/blaikie/dev/scratch"}
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!2 = !{}
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!3 = !{!4, !8}
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!4 = !{!"0x2e\00f2\00f2\00_Z2f2v\003\000\001\000\006\00256\001\003", !1, !5, !6, null, void ()* @_Z2f2v, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f2]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/exp.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 = !{!"0x2e\00f1\00f1\00_Z2f1ii\006\000\001\000\006\00256\001\006", !1, !5, !9, null, void (i32, i32)* @_Z2f1ii, null, null, !12} ; [ DW_TAG_subprogram ] [line 6] [def] [f1]
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!9 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!10 = !{null, !11, !11}
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!11 = !{!"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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!12 = !{!13, !14}
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!13 = !{!"0x101\00x\0016777222\000", !8, !5, !11} ; [ DW_TAG_arg_variable ] [x] [line 6]
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!14 = !{!"0x101\00y\0033554438\000", !8, !5, !11} ; [ DW_TAG_arg_variable ] [y] [line 6]
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!15 = !{i32 undef}
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!16 = !{!"0x101\00x\0016777222\000", !8, !5, !11, !17} ; [ DW_TAG_arg_variable ] [x] [line 6]
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!17 = !{i32 4, i32 0, !4, null}
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!18 = !{i32 6, i32 0, !8, !17}
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!19 = !{i32 2}
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!20 = !{!"0x101\00y\0033554438\000", !8, !5, !11, !17} ; [ DW_TAG_arg_variable ] [y] [line 6]
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!21 = !{i32 7, i32 0, !8, !17}
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!22 = !{i32 5, i32 0, !4, null}
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!23 = !{i32 6, i32 0, !8, null}
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!24 = !{i32 7, i32 0, !8, null}
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!25 = !{i32 8, i32 0, !8, null}
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!26 = !{i32 1, !"Debug Info Version", i32 2}
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