1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-24 21:42:54 +02:00
llvm-mirror/test/DebugInfo/X86/pr13303.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

30 lines
1.3 KiB
LLVM

; RUN: llc %s -o %t -filetype=obj -mtriple=x86_64-unknown-linux-gnu
; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s
; PR13303
; Check that the prologue ends with is_stmt here.
; CHECK: 0x0000000000000000 {{.*}} is_stmt
define i32 @main() nounwind uwtable {
entry:
%retval = alloca i32, align 4
store i32 0, i32* %retval
ret i32 0, !dbg !10
}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!13}
!0 = !{!"0x11\0012\00clang version 3.2 (trunk 160143)\000\00\000\00\000", !12, !1, !1, !3, !1, !1} ; [ DW_TAG_compile_unit ] [/home/probinson/PR13303.c] [DW_LANG_C99]
!1 = !{}
!3 = !{!5}
!5 = !{!"0x2e\00main\00main\00\001\000\001\000\006\000\000\001", !12, !6, !7, null, i32 ()* @main, null, null, !1} ; [ DW_TAG_subprogram ] [line 1] [def] [main]
!6 = !{!"0x29", !12} ; [ 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 = !{!9}
!9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!10 = !{i32 1, i32 14, !11, null}
!11 = !{!"0xb\001\0012\000", !12, !5} ; [ DW_TAG_lexical_block ] [/home/probinson/PR13303.c]
!12 = !{!"PR13303.c", !"/home/probinson"}
!13 = !{i32 1, !"Debug Info Version", i32 2}