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55 Commits

Author SHA1 Message Date
Duncan Sands
83ec4b6711 Wrap MVT::ValueType in a struct to get type safety 
and better control the abstraction.  Rename the type
to MVT.  To update out-of-tree patches, the main
thing to do is to rename MVT::ValueType to MVT, and
rewrite expressions like MVT::getSizeInBits(VT) in
the form VT.getSizeInBits().  Use VT.getSimpleVT()
to extract a MVT::SimpleValueType for use in switch
statements (you will get an assert failure if VT is
an extended value type - these shouldn't exist after
type legalization).
This results in a small speedup of codegen and no
new testsuite failures (x86-64 linux).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52044 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-06 12:08:01 +00:00
Evan Cheng
682f81032f 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50266 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 17:21:40 +00:00
Evan Cheng
fa2f786f4e If there are multiple register classes that a register belongs to, return the super-class (e.g. on x86, returns GR32, not GR32_). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48220 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:54:14 +00:00
Evan Cheng
676dd7c80b When the register allocator runs out of registers, spill a physical register around the def's and use's of the interval being allocated to make it possible for the interval to target a register and spill it right away and restore a register for uses. This likely generates terrible code but is before than aborting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48218 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:19:34 +00:00
Dan Gohman
6f0d024a53 Rename MRegisterInfo to TargetRegisterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 18:45:23 +00:00