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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
		
	
		
			
				
	
	
		
			42 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: opt < %s  -loop-vectorize -force-vector-width=4 -dce -instcombine -S | FileCheck %s
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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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@a = common global [2048 x i32] zeroinitializer, align 16
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; This is the loop.
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;  for (i=0; i<n; i++){
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;    a[i] += i;
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;  }
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;CHECK-LABEL: @inc(
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;CHECK: load <4 x i32>
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;CHECK: load <4 x i32>
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;CHECK: add nsw <4 x i32>
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;CHECK: add nsw <4 x i32>
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;CHECK: store <4 x i32>
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;CHECK: store <4 x i32>
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;CHECK: ret void
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define void @inc(i32 %n) nounwind uwtable noinline ssp {
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  %1 = icmp sgt i32 %n, 0
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  br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph:                                           ; preds = %0, %.lr.ph
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  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
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  %2 = getelementptr inbounds [2048 x i32]* @a, i64 0, i64 %indvars.iv
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  %3 = load i32* %2, align 4
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  %4 = trunc i64 %indvars.iv to i32
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  %5 = add nsw i32 %3, %4
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  store i32 %5, i32* %2, align 4
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  %indvars.iv.next = add i64 %indvars.iv, 1
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  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
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  %exitcond = icmp eq i32 %lftr.wideiv, %n
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  br i1 %exitcond, label %._crit_edge, label %.lr.ph, !llvm.loop !0
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._crit_edge:                                      ; preds = %.lr.ph, %0
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  ret void
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}
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!0 = !{!0, !1}
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!1 = !{!"llvm.loop.interleave.count", i32 2}
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