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9c5542c040
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.
llvm-svn: 224257
66 lines
2.7 KiB
LLVM
66 lines
2.7 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin10 < %s | FileCheck %s
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%struct.a = type { i32 }
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define i32 @bar(%struct.a* nocapture %b) nounwind ssp {
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entry:
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tail call void @llvm.dbg.value(metadata %struct.a* %b, i64 0, metadata !6, metadata !{!"0x102"}), !dbg !13
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%tmp1 = getelementptr inbounds %struct.a* %b, i64 0, i32 0, !dbg !14
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%tmp2 = load i32* %tmp1, align 4, !dbg !14
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tail call void @llvm.dbg.value(metadata i32 %tmp2, i64 0, metadata !11, metadata !{!"0x102"}), !dbg !14
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%call = tail call i32 (...)* @foo(i32 %tmp2) nounwind , !dbg !18
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%add = add nsw i32 %tmp2, 1, !dbg !19
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ret i32 %add, !dbg !19
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}
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declare i32 @foo(...)
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!24}
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!0 = !{!"0x2e\00bar\00bar\00\005\000\001\000\006\00256\001\000", !22, !1, !3, null, i32 (%struct.a*)* @bar, null, null, !21} ; [ DW_TAG_subprogram ] [line 5] [def] [scope 0] [bar]
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!1 = !{!"0x29", !22} ; [ DW_TAG_file_type ]
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!2 = !{!"0x11\0012\00clang version 2.9 (trunk 122997)\001\00\000\00\001", !22, !23, !23, !20, null, null} ; [ DW_TAG_compile_unit ]
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!3 = !{!"0x15\00\000\000\000\000\000\000", !22, !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\00b\005\000", !0, !1, !7} ; [ DW_TAG_arg_variable ]
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!7 = !{!"0xf\00\000\0064\0064\000\000", null, !2, !8} ; [ DW_TAG_pointer_type ]
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!8 = !{!"0x13\00a\001\0032\0032\000\000\000", !22, !2, null, !9, null, null, null} ; [ DW_TAG_structure_type ] [a] [line 1, size 32, align 32, offset 0] [def] [from ]
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!9 = !{!10}
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!10 = !{!"0xd\00c\002\0032\0032\000\000", !22, !1, !5} ; [ DW_TAG_member ]
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!11 = !{!"0x100\00x\006\000", !12, !1, !5} ; [ DW_TAG_auto_variable ]
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!12 = !{!"0xb\005\0022\000", !22, !0} ; [ DW_TAG_lexical_block ]
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!13 = !{i32 5, i32 19, !0, null}
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!14 = !{i32 6, i32 14, !12, null}
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!18 = !{i32 7, i32 2, !12, null}
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!19 = !{i32 8, i32 2, !12, null}
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!20 = !{!0}
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!21 = !{!6, !11}
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!22 = !{!"bar.c", !"/private/tmp"}
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!23 = !{i32 0}
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; Check that variable bar:b value range is appropriately truncated in debug info.
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; The variable is in %rdi which is clobbered by 'movl %ebx, %edi'
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; Here Ltmp7 is the end of the location range.
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;CHECK: .loc 1 7 2
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;CHECK: movl
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;CHECK-NEXT: [[CLOBBER:Ltmp[0-9]*]]
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;CHECK:Ldebug_loc0:
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;CHECK-NEXT: Lset{{.*}} =
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;CHECK-NEXT: .quad
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;CHECK-NEXT: [[CLOBBER_OFF:Lset.*]] = [[CLOBBER]]-{{.*}}
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;CHECK-NEXT: .quad [[CLOBBER_OFF]]
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;CHECK-NEXT: Lset{{.*}} = Ltmp{{.*}}-Ltmp{{.*}}
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;CHECK-NEXT: .short Lset
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;CHECK-NEXT: Ltmp
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;CHECK-NEXT: .byte 85 ## DW_OP_reg
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;CHECK-NEXT: Ltmp
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;CHECK-NEXT: .quad 0
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;CHECK-NEXT: .quad 0
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!24 = !{i32 1, !"Debug Info Version", i32 2}
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