llvm-6502/test/Transforms/LoopIdiom/debug-line.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

53 lines
2.6 KiB
LLVM

; RUN: opt -loop-idiom < %s -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"
define void @foo(double* nocapture %a) nounwind ssp {
entry:
tail call void @llvm.dbg.value(metadata double* %a, i64 0, metadata !5, metadata !{}), !dbg !8
tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !10, metadata !{}), !dbg !14
br label %for.body
for.body: ; preds = %entry, %for.body
%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]
%arrayidx = getelementptr double* %a, i64 %indvar
; CHECK: call void @llvm.memset{{.+}} !dbg
store double 0.000000e+00, double* %arrayidx, align 8, !dbg !15
%indvar.next = add i64 %indvar, 1
%exitcond = icmp ne i64 %indvar.next, 1000
br i1 %exitcond, label %for.body, label %for.end, !dbg !14
for.end: ; preds = %for.body
tail call void @llvm.dbg.value(metadata !{null}, i64 0, metadata !10, metadata !{}), !dbg !16
ret void, !dbg !17
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
!llvm.module.flags = !{!19}
!llvm.dbg.sp = !{!0}
!0 = !{!"0x2e\00foo\00foo\00\002\000\001\000\006\00256\000\000", !18, !1, !3, null, void (double*)* @foo, null, null, null} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [foo]
!1 = !{!"0x29", !18} ; [ DW_TAG_file_type ]
!2 = !{!"0x11\0012\00clang version 2.9 (trunk 127165:127174)\001\00\000\00\000", !18, !9, !9, null, null, null} ; [ DW_TAG_compile_unit ]
!3 = !{!"0x15\00\000\000\000\000\000\000", !18, !1, null, !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!4 = !{null}
!5 = !{!"0x101\00a\0016777218\000", !0, !1, !6} ; [ DW_TAG_arg_variable ]
!6 = !{!"0xf\00\000\0064\0064\000\000", null, !2, !7} ; [ DW_TAG_pointer_type ]
!7 = !{!"0x24\00double\000\0064\0064\000\000\004", null, !2} ; [ DW_TAG_base_type ]
!8 = !{i32 2, i32 18, !0, null}
!9 = !{i32 0}
!10 = !{!"0x100\00i\003\000", !11, !1, !13} ; [ DW_TAG_auto_variable ]
!11 = !{!"0xb\003\003\001", !18, !12} ; [ DW_TAG_lexical_block ]
!12 = !{!"0xb\002\0021\000", !18, !0} ; [ DW_TAG_lexical_block ]
!13 = !{!"0x24\00int\000\0032\0032\000\000\005", null, !2} ; [ DW_TAG_base_type ]
!14 = !{i32 3, i32 3, !12, null}
!15 = !{i32 4, i32 5, !11, null}
!16 = !{i32 3, i32 29, !11, null}
!17 = !{i32 5, i32 1, !12, null}
!18 = !{!"li.c", !"/private/tmp"}
!19 = !{i32 1, !"Debug Info Version", i32 2}