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llvm-mirror/test/DebugInfo/X86/dbg-i128-const.ll
Duncan P. N. Exon Smith 9c5542c040 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.

llvm-svn: 224257
2014-12-15 19:07:53 +00:00

35 lines
1.4 KiB
LLVM

; RUN: llc -mtriple=x86_64-linux < %s | FileCheck %s
; CHECK: DW_AT_const_value
; CHECK-NEXT: 42
define i128 @__foo(i128 %a, i128 %b) nounwind {
entry:
tail call void @llvm.dbg.value(metadata i128 42 , i64 0, metadata !1, metadata !{!"0x102"}), !dbg !11
%add = add i128 %a, %b, !dbg !11
ret i128 %add, !dbg !11
}
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
!llvm.dbg.cu = !{!5}
!llvm.module.flags = !{!16}
!0 = !{i128 42 }
!1 = !{!"0x100\00MAX\0029\000", !2, !4, !8} ; [ DW_TAG_auto_variable ]
!2 = !{!"0xb\0026\000\000", !13, !3} ; [ DW_TAG_lexical_block ]
!3 = !{!"0x2e\00__foo\00__foo\00__foo\0026\000\001\000\006\000\000\0026", !13, !4, !6, null, i128 (i128, i128)* @__foo, null, null, null} ; [ DW_TAG_subprogram ]
!4 = !{!"0x29", !13} ; [ DW_TAG_file_type ]
!5 = !{!"0x11\001\00clang\001\00\000\00\000", !13, !15, !15, !12, null, null} ; [ DW_TAG_compile_unit ]
!6 = !{!"0x15\00\000\000\000\000\000\000", !13, !4, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!7 = !{!8, !8, !8}
!8 = !{!"0x16\00ti_int\0078\000\000\000\000", !14, !4, !10} ; [ DW_TAG_typedef ]
!9 = !{!"0x29", !14} ; [ DW_TAG_file_type ]
!10 = !{!"0x24\00\000\00128\00128\000\000\005", !13, !4} ; [ DW_TAG_base_type ]
!11 = !{i32 29, i32 0, !2, null}
!12 = !{!3}
!13 = !{!"foo.c", !"/tmp"}
!14 = !{!"myint.h", !"/tmp"}
!15 = !{i32 0}
!16 = !{i32 1, !"Debug Info Version", i32 2}