IR: Add 'invalid-' to test names for invalid assembly

Take the opportunity to sort these by `metadata`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223993 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Assembler/functionlocal-metadata-attachments.ll b/test/Assembler/invalid-metadata-function-local-attachments.ll
similarity index 100%
rename from test/Assembler/functionlocal-metadata-attachments.ll
rename to test/Assembler/invalid-metadata-function-local-attachments.ll

diff --git a/test/Assembler/functionlocal-metadata-complex-1.ll b/test/Assembler/invalid-metadata-function-local-complex-1.ll
similarity index 100%
rename from test/Assembler/functionlocal-metadata-complex-1.ll
rename to test/Assembler/invalid-metadata-function-local-complex-1.ll

diff --git a/test/Assembler/functionlocal-metadata-complex-2.ll b/test/Assembler/invalid-metadata-function-local-complex-2.ll
similarity index 100%
rename from test/Assembler/functionlocal-metadata-complex-2.ll
rename to test/Assembler/invalid-metadata-function-local-complex-2.ll

diff --git a/test/Assembler/functionlocal-metadata-complex-3.ll b/test/Assembler/invalid-metadata-function-local-complex-3.ll
similarity index 100%
rename from test/Assembler/functionlocal-metadata-complex-3.ll
rename to test/Assembler/invalid-metadata-function-local-complex-3.ll