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3 Commits
Author SHA1 Message Date
Colin LeMahieu 750b351b76 [Hexagon] Reapply r239097 with tests corrected for shuffling and duplexing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239161 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-05 16:00:11 +00:00
Colin LeMahieu 4e8f68f245 Revert r239095 incorrect test tree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239102 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-04 21:32:42 +00:00
Colin LeMahieu 60b4c7fc30 [Hexagon] Adding functionality for duplexing. Duplexing is a way to compress commonly used pairs of instructions in order to reduce code size. The test case duplex.ll normally would be 8 bytes, assign register to 0 and jump to link register. After duplexing this is only 4 bytes. This also tests the HexagonMCShuffler code path which is used to make sure duplexed instructions still follow slot requirements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239095 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-04 21:16:16 +00:00