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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
57 lines
2.4 KiB
LLVM
57 lines
2.4 KiB
LLVM
; RUN: opt -simplifycfg -S < %s | FileCheck %s
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define i32 @foo(i32 %i) nounwind ssp {
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call void @llvm.dbg.value(metadata i32 %i, i64 0, metadata !6, metadata !{}), !dbg !7
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call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !9, metadata !{}), !dbg !11
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%1 = icmp ne i32 %i, 0, !dbg !12
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;CHECK: call i32 (...)* @bar()
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;CHECK-NEXT: llvm.dbg.value
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br i1 %1, label %2, label %4, !dbg !12
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; <label>:2 ; preds = %0
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%3 = call i32 (...)* @bar(), !dbg !13
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call void @llvm.dbg.value(metadata i32 %3, i64 0, metadata !9, metadata !{}), !dbg !13
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br label %6, !dbg !15
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; <label>:4 ; preds = %0
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%5 = call i32 (...)* @bar(), !dbg !16
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call void @llvm.dbg.value(metadata i32 %5, i64 0, metadata !9, metadata !{}), !dbg !16
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br label %6, !dbg !18
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; <label>:6 ; preds = %4, %2
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%k.0 = phi i32 [ %3, %2 ], [ %5, %4 ]
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ret i32 %k.0, !dbg !19
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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declare i32 @bar(...)
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.module.flags = !{!21}
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!llvm.dbg.sp = !{!0}
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!0 = !{!"0x2e\00foo\00foo\00\002\000\001\000\006\00256\000\000", !20, !1, !3, null, i32 (i32)* @foo, null, null, null} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [foo]
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!1 = !{!"0x29", !20} ; [ DW_TAG_file_type ]
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!2 = !{!"0x11\0012\00clang\001\00\000\00\000", !20, !8, !8, null, null, null} ; [ DW_TAG_compile_unit ]
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!3 = !{!"0x15\00\000\000\000\000\000\000", !20, !1, null, !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!4 = !{!5}
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!5 = !{!"0x24\00int\000\0032\0032\000\000\005", null, !2} ; [ DW_TAG_base_type ]
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!6 = !{!"0x101\00i\0016777218\000", !0, !1, !5} ; [ DW_TAG_arg_variable ]
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!7 = !{i32 2, i32 13, !0, null}
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!8 = !{i32 0}
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!9 = !{!"0x100\00k\003\000", !10, !1, !5} ; [ DW_TAG_auto_variable ]
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!10 = !{!"0xb\002\0016\000", !20, !0} ; [ DW_TAG_lexical_block ]
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!11 = !{i32 3, i32 12, !10, null}
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!12 = !{i32 4, i32 3, !10, null}
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!13 = !{i32 5, i32 5, !14, null}
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!14 = !{!"0xb\004\0010\001", !20, !10} ; [ DW_TAG_lexical_block ]
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!15 = !{i32 6, i32 3, !14, null}
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!16 = !{i32 7, i32 5, !17, null}
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!17 = !{!"0xb\006\0010\002", !20, !10} ; [ DW_TAG_lexical_block ]
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!18 = !{i32 8, i32 3, !17, null}
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!19 = !{i32 9, i32 3, !10, null}
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!20 = !{!"b.c", !"/private/tmp"}
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!21 = !{i32 1, !"Debug Info Version", i32 2}
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