llvm-6502/test/DebugInfo/X86/rvalue-ref.ll
Duncan P. N. Exon Smith 1ef70ff39b IR: Make metadata typeless in assembly
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
2014-12-15 19:07:53 +00:00

42 lines
1.8 KiB
LLVM

; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj -O0
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; CHECK: DW_TAG_rvalue_reference_type
@.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
define void @_Z3fooOi(i32* %i) uwtable ssp {
entry:
%i.addr = alloca i32*, align 8
store i32* %i, i32** %i.addr, align 8
call void @llvm.dbg.declare(metadata i32** %i.addr, metadata !11, metadata !{!"0x102"}), !dbg !12
%0 = load i32** %i.addr, align 8, !dbg !13
%1 = load i32* %0, align 4, !dbg !13
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), i32 %1), !dbg !13
ret void, !dbg !15
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
declare i32 @printf(i8*, ...)
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!17}
!0 = !{!"0x11\004\00clang version 3.2 (trunk 157054) (llvm/trunk 157060)\000\00\000\00\000", !16, !1, !1, !3, !1, !1} ; [ DW_TAG_compile_unit ]
!1 = !{}
!3 = !{!5}
!5 = !{!"0x2e\00foo\00foo\00_Z3fooOi\004\000\001\000\006\00256\000\005", !16, !6, !7, null, void (i32*)* @_Z3fooOi, null, null, !1} ; [ DW_TAG_subprogram ]
!6 = !{!"0x29", !16} ; [ DW_TAG_file_type ]
!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = !{null, !9}
!9 = !{!"0x42\00\000\000\000\000\000", null, null, !10} ; [ DW_TAG_rvalue_reference_type ]
!10 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
!11 = !{!"0x101\00i\0016777220\000", !5, !6, !9} ; [ DW_TAG_arg_variable ]
!12 = !{i32 4, i32 17, !5, null}
!13 = !{i32 6, i32 3, !14, null}
!14 = !{!"0xb\005\001\000", !16, !5} ; [ DW_TAG_lexical_block ]
!15 = !{i32 7, i32 1, !14, null}
!16 = !{!"foo.cpp", !"/Users/echristo/tmp"}
!17 = !{i32 1, !"Debug Info Version", i32 2}