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llvm-mirror/test/DebugInfo/X86/line-info.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

61 lines
2.8 KiB
LLVM

; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj -O0 < %s > %t
; RUN: llvm-dwarfdump %t | FileCheck %s
; CHECK: [[FILEID:[0-9]+]]]{{.*}}list0.h
; CHECK: [[FILEID]] 0 1 0 0 is_stmt{{$}}
; IR generated from clang -g -emit-llvm with the following source:
; list0.h:
; int foo (int x) {
; return ++x;
; }
; list0.c:
; #include "list0.h"
; int main() {
; }
define i32 @foo(i32 %x) #0 {
entry:
%x.addr = alloca i32, align 4
store i32 %x, i32* %x.addr, align 4
call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !14, metadata !{!"0x102"}), !dbg !15
%0 = load i32* %x.addr, align 4, !dbg !16
%inc = add nsw i32 %0, 1, !dbg !16
store i32 %inc, i32* %x.addr, align 4, !dbg !16
ret i32 %inc, !dbg !16
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
define i32 @main() #0 {
entry:
ret i32 0, !dbg !17
}
attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!19}
!0 = !{!"0x11\0012\00clang version 3.3 \000\00\000\00\000", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/list0.c] [DW_LANG_C99]
!1 = !{!"list0.c", !"/usr/local/google/home/blaikie/dev/scratch"}
!2 = !{}
!3 = !{!4, !10}
!4 = !{!"0x2e\00foo\00foo\00\001\000\001\000\006\00256\000\001", !5, !6, !7, null, i32 (i32)* @foo, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
!5 = !{!"./list0.h", !"/usr/local/google/home/blaikie/dev/scratch"}
!6 = !{!"0x29", !5} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/./list0.h]
!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 ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!10 = !{!"0x2e\00main\00main\00\002\000\001\000\006\000\000\002", !1, !11, !12, null, i32 ()* @main, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [main]
!11 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/list0.c]
!12 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !13, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!13 = !{!9}
!14 = !{!"0x101\00x\0016777217\000", !4, !6, !9} ; [ DW_TAG_arg_variable ] [x] [line 1]
!15 = !{i32 1, i32 0, !4, null}
!16 = !{i32 2, i32 0, !4, null}
!17 = !{i32 3, i32 0, !18, null}
!18 = !{!"0xb\000", !11, !10} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/blaikie/dev/scratch/list0.c]
!19 = !{i32 1, !"Debug Info Version", i32 2}