llvm-6502/test/Transforms/Mem2Reg/ConvertDebugInfo2.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

58 lines
3.1 KiB
LLVM

; RUN: opt -mem2reg < %s | llvm-dis | grep ".dbg " | count 7
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
declare void @foo(i32, i64, i8*)
define void @baz(i32 %a) nounwind ssp {
entry:
%x_addr.i = alloca i32 ; <i32*> [#uses=2]
%y_addr.i = alloca i64 ; <i64*> [#uses=2]
%z_addr.i = alloca i8* ; <i8**> [#uses=2]
%a_addr = alloca i32 ; <i32*> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
call void @llvm.dbg.declare(metadata i32* %a_addr, metadata !0, metadata !{}), !dbg !7
store i32 %a, i32* %a_addr
%0 = load i32* %a_addr, align 4, !dbg !8 ; <i32> [#uses=1]
call void @llvm.dbg.declare(metadata i32* %x_addr.i, metadata !9, metadata !{}) nounwind, !dbg !15
store i32 %0, i32* %x_addr.i
call void @llvm.dbg.declare(metadata i64* %y_addr.i, metadata !16, metadata !{}) nounwind, !dbg !15
store i64 55, i64* %y_addr.i
call void @llvm.dbg.declare(metadata i8** %z_addr.i, metadata !17, metadata !{}) nounwind, !dbg !15
store i8* bitcast (void (i32)* @baz to i8*), i8** %z_addr.i
%1 = load i32* %x_addr.i, align 4, !dbg !18 ; <i32> [#uses=1]
%2 = load i64* %y_addr.i, align 8, !dbg !18 ; <i64> [#uses=1]
%3 = load i8** %z_addr.i, align 8, !dbg !18 ; <i8*> [#uses=1]
call void @foo(i32 %1, i64 %2, i8* %3) nounwind, !dbg !18
br label %return, !dbg !19
return: ; preds = %entry
ret void, !dbg !19
}
!llvm.dbg.cu = !{!3}
!llvm.module.flags = !{!22}
!0 = !{!"0x101\00a\008\000", !1, !2, !6} ; [ DW_TAG_arg_variable ]
!1 = !{!"0x2e\00baz\00baz\00baz\008\000\001\000\006\000\000\008", !20, !2, !4, null, void (i32)* @baz, null, null, null} ; [ DW_TAG_subprogram ]
!2 = !{!"0x29", !20} ; [ DW_TAG_file_type ]
!3 = !{!"0x11\001\004.2.1 (Based on Apple Inc. build 5658) (LLVM build)\001\00\000\00\000", !20, !21, !21, null, null, null} ; [ DW_TAG_compile_unit ]
!4 = !{!"0x15\00\000\000\000\000\000\000", !20, !2, null, !5, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!5 = !{null, !6}
!6 = !{!"0x24\00int\000\0032\0032\000\000\005", !20, !2} ; [ DW_TAG_base_type ]
!7 = !{i32 8, i32 0, !1, null}
!8 = !{i32 9, i32 0, !1, null}
!9 = !{!"0x101\00x\004\000", !10, !2, !6} ; [ DW_TAG_arg_variable ]
!10 = !{!"0x2e\00bar\00bar\00bar\004\001\001\000\006\000\000\004", !20, !2, !11, null, null, null, null, null} ; [ DW_TAG_subprogram ]
!11 = !{!"0x15\00\000\000\000\000\000\000", !20, !2, null, !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!12 = !{null, !6, !13, !14}
!13 = !{!"0x24\00long int\000\0064\0064\000\000\005", !20, !2} ; [ DW_TAG_base_type ]
!14 = !{!"0xf\00\000\0064\0064\000\000", !20, !2, null} ; [ DW_TAG_pointer_type ]
!15 = !{i32 4, i32 0, !10, !8}
!16 = !{!"0x101\00y\004\000", !10, !2, !13} ; [ DW_TAG_arg_variable ]
!17 = !{!"0x101\00z\004\000", !10, !2, !14} ; [ DW_TAG_arg_variable ]
!18 = !{i32 5, i32 0, !10, !8}
!19 = !{i32 10, i32 0, !1, null}
!20 = !{!"bar.c", !"/tmp/"}
!21 = !{i32 0}
!22 = !{i32 1, !"Debug Info Version", i32 2}