llvm-6502/test/DebugInfo/X86/ending-run.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

49 lines
2.2 KiB
LLVM

; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj %s -o %t
; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s
; Check that the line table starts at 7, not 4, but that the first
; statement isn't until line 8.
; CHECK-NOT: 0x0000000000000000 7 0 1 0 0 is_stmt
; CHECK: 0x0000000000000000 7 0 1 0
; CHECK: 0x0000000000000004 8 18 1 0 0 is_stmt prologue_end
define i32 @callee(i32 %x) nounwind uwtable ssp {
entry:
%x.addr = alloca i32, align 4
%y = alloca i32, align 4
store i32 %x, i32* %x.addr, align 4
call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !{!"0x102"}), !dbg !13
call void @llvm.dbg.declare(metadata i32* %y, metadata !14, metadata !{!"0x102"}), !dbg !16
%0 = load i32* %x.addr, align 4, !dbg !17
%1 = load i32* %x.addr, align 4, !dbg !17
%mul = mul nsw i32 %0, %1, !dbg !17
store i32 %mul, i32* %y, align 4, !dbg !17
%2 = load i32* %y, align 4, !dbg !18
%sub = sub nsw i32 %2, 2, !dbg !18
ret i32 %sub, !dbg !18
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!20}
!0 = !{!"0x11\0012\00clang version 3.1 (trunk 153921) (llvm/trunk 153916)\000\00\000\00\000", !19, !1, !1, !3, !1, !1} ; [ DW_TAG_compile_unit ]
!1 = !{}
!3 = !{!5}
!5 = !{!"0x2e\00callee\00callee\00\004\000\001\000\006\000\000\007", !19, !6, !7, null, i32 (i32)* @callee, null, null, null} ; [ DW_TAG_subprogram ]
!6 = !{!"0x29", !19} ; [ 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}
!9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
!12 = !{!"0x101\00x\0016777221\000", !5, !6, !9} ; [ DW_TAG_arg_variable ]
!13 = !{i32 5, i32 5, !5, null}
!14 = !{!"0x100\00y\008\000", !15, !6, !9} ; [ DW_TAG_auto_variable ]
!15 = !{!"0xb\007\001\000", !19, !5} ; [ DW_TAG_lexical_block ]
!16 = !{i32 8, i32 9, !15, null}
!17 = !{i32 8, i32 18, !15, null}
!18 = !{i32 9, i32 5, !15, null}
!19 = !{!"ending-run.c", !"/Users/echristo/tmp"}
!20 = !{i32 1, !"Debug Info Version", i32 2}