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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
		
	
		
			
				
	
	
		
			28 lines
		
	
	
		
			689 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			689 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: opt < %s -analyze -block-freq | FileCheck %s
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| 
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| define void @double_backedge(i1 %x) {
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| ; CHECK-LABEL: Printing analysis {{.*}} for function 'double_backedge':
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| ; CHECK-NEXT: block-frequency-info: double_backedge
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| entry:
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| ; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
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|   br label %loop
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| 
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| loop:
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| ; CHECK-NEXT: loop: float = 10.0,
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|   br i1 %x, label %exit, label %loop.1, !prof !0
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| 
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| loop.1:
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| ; CHECK-NEXT: loop.1: float = 9.0,
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|   br i1 %x, label %loop, label %loop.2, !prof !1
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| 
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| loop.2:
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| ; CHECK-NEXT: loop.2: float = 5.0,
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|   br label %loop
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| 
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| exit:
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| ; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]]
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|   ret void
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| }
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| !0 = !{!"branch_weights", i32 1, i32 9}
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| !1 = !{!"branch_weights", i32 4, i32 5}
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