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	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
		
	
		
			
				
	
	
		
			36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc -mcpu=corei7 -no-stack-coloring=false < %s
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| 
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| ; Make sure that we don't crash when dbg values are used.
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| 
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| 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-S128"
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| target triple = "x86_64-apple-macosx10.8.0"
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| 
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| declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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| 
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| define void @foo() nounwind uwtable ssp {
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| entry:
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|   %x.i = alloca i8, align 1
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|   %y.i = alloca [256 x i8], align 16
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|   %0 = getelementptr inbounds [256 x i8]* %y.i, i64 0, i64 0
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|   br label %for.body
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| 
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| for.body:
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|   call void @llvm.lifetime.end(i64 -1, i8* %0) nounwind
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|   call void @llvm.lifetime.start(i64 -1, i8* %x.i) nounwind
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|   call void @llvm.dbg.declare(metadata i8* %x.i, metadata !22, metadata !{!"0x102"}) nounwind
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|   br label %for.body
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| }
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| 
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| declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind
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| 
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| declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind
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| 
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| !llvm.dbg.cu = !{!0}
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| !llvm.module.flags = !{!23}
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| !0 = !{!"0x11\001\00clang\001\00\000\00\000", !1, !2, !2, null, null, null} ; [ DW_TAG_compile_unit ]
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| !1 = !{!"t.c", !""}
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| !16 = !{!"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ]
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| !2 = !{i32 0}
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| !22 = !{!"0x100\00x\0016\000", null, !2, !16} ; [ DW_TAG_auto_variable ]
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| !23 = !{i32 1, !"Debug Info Version", i32 2}
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