Test cases named with dates is a legacy rule not used now. Rename several test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209877 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/AArch64/arm64-2014-04-16-AnInfiniteLoopInDAGCombine.ll b/test/CodeGen/AArch64/arm64-AnInfiniteLoopInDAGCombine.ll
similarity index 100%
rename from test/CodeGen/AArch64/arm64-2014-04-16-AnInfiniteLoopInDAGCombine.ll
rename to test/CodeGen/AArch64/arm64-AnInfiniteLoopInDAGCombine.ll

diff --git a/test/CodeGen/AArch64/arm64-2014-04-29-EXT-undef-mask.ll b/test/CodeGen/AArch64/arm64-EXT-undef-mask.ll
similarity index 100%
rename from test/CodeGen/AArch64/arm64-2014-04-29-EXT-undef-mask.ll
rename to test/CodeGen/AArch64/arm64-EXT-undef-mask.ll

diff --git a/test/CodeGen/AArch64/2014-05-29-shrink-v1i64.ll b/test/CodeGen/AArch64/arm64-shrink-v1i64.ll
similarity index 100%
rename from test/CodeGen/AArch64/2014-05-29-shrink-v1i64.ll
rename to test/CodeGen/AArch64/arm64-shrink-v1i64.ll

diff --git a/test/CodeGen/AArch64/arm64-2014-04-28-sqshl-uqshl-i64Contant.ll b/test/CodeGen/AArch64/arm64-sqshl-uqshl-i64Contant.ll
similarity index 100%
rename from test/CodeGen/AArch64/arm64-2014-04-28-sqshl-uqshl-i64Contant.ll
rename to test/CodeGen/AArch64/arm64-sqshl-uqshl-i64Contant.ll