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4 Commits

Author SHA1 Message Date
Eugene Zelenko 8208592707 [Hexagon] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 
llvm-svn: 289604
 2016-12-13 22:13:50 +00:00
Krzysztof Parzyszek 5bb417bed2 [Hexagon] Handle block live-ins with lane masks in HexagonBlockRanges 
llvm-svn: 284522
 2016-10-18 19:47:20 +00:00
Benjamin Kramer 922efd7a67 [hexagon] Move BlockRanges and RDF stuff into the llvm namespace. 
No functional change intended.

llvm-svn: 270980
 2016-05-27 10:06:40 +00:00
Krzysztof Parzyszek 7793ddb043 [Hexagon] Optimize stack slot spills 
Replace spills to memory with spills to registers, if possible. This
applies mostly to predicate registers (both scalar and vector), since
they are very limited in number. A spill of a predicate register may
happen even if there is a general-purpose register available. In cases
like this the stack spill/reload may be eliminated completely.

This optimization will consider all stack objects, regardless of where
they came from and try to match the live range of the stack slot with
a dead range of a register from an appropriate register class.

llvm-svn: 260758
 2016-02-12 22:53:35 +00:00