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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
..
BasicAA IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
BlockFrequencyInfo IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
BranchProbabilityInfo IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
CallGraph
CFLAliasAnalysis IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
CostModel AVX-512: SINT_TO_FP cost model and some bugfixes 2014-11-13 11:46:16 +00:00
Delinearization
DependenceAnalysis [DependenceAnalysis] Allow subscripts of different types 2014-11-16 16:52:44 +00:00
Dominators
GlobalsModRef Move the complex address expression out of DIVariable and into an extra 2014-10-01 18:55:02 +00:00
LazyCallGraph
Lint
LoopInfo
MemoryDependenceAnalysis
PostDominators
RegionInfo
ScalarEvolution IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
ScopedNoAliasAA IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
TypeBasedAliasAnalysis IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00