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llvm-mirror/test/Transforms/LoopStrengthReduce/pr12018.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

39 lines
1.7 KiB
LLVM

; RUN: opt < %s -loop-reduce
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
%struct.nsTArray = type { i8 }
%struct.nsTArrayHeader = type { i32 }
define void @_Z6foobarR8nsTArray(%struct.nsTArray* %aValues, i32 %foo, %struct.nsTArrayHeader* %bar) nounwind {
entry:
br label %for.body
for.body: ; preds = %_ZN8nsTArray9ElementAtEi.exit, %entry
%i.06 = phi i32 [ %add, %_ZN8nsTArray9ElementAtEi.exit ], [ 0, %entry ]
%call.i = call %struct.nsTArrayHeader* @_ZN8nsTArray4Hdr2Ev() nounwind
%add.ptr.i = getelementptr inbounds %struct.nsTArrayHeader* %call.i, i32 1
%tmp = bitcast %struct.nsTArrayHeader* %add.ptr.i to %struct.nsTArray*
%arrayidx = getelementptr inbounds %struct.nsTArray* %tmp, i32 %i.06
%add = add nsw i32 %i.06, 1
call void @llvm.dbg.value(metadata %struct.nsTArray* %aValues, i64 0, metadata !0, metadata !{}) nounwind
br label %_ZN8nsTArray9ElementAtEi.exit
_ZN8nsTArray9ElementAtEi.exit: ; preds = %for.body
%arrayidx.i = getelementptr inbounds %struct.nsTArray* %tmp, i32 %add
call void @_ZN11nsTArray15ComputeDistanceERKS_Rd(%struct.nsTArray* %arrayidx, %struct.nsTArray* %arrayidx.i) nounwind
%cmp = icmp slt i32 %add, %foo
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %_ZN8nsTArray9ElementAtEi.exit
ret void
}
declare void @_ZN11nsTArray15ComputeDistanceERKS_Rd(%struct.nsTArray*, %struct.nsTArray*)
declare %struct.nsTArrayHeader* @_ZN8nsTArray4Hdr2Ev()
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
!0 = !{!"0x101"} ; [ DW_TAG_arg_variable ]