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path: root/lib/Target/TargetRegisterInfo.cpp
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* Instead of building a list and sorting it just to find a maximum element,Dan Gohman2008-09-211-26/+9
| | | | | | | compute the maximum element directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56411 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove warning about initialization order.Bill Wendling2008-07-011-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52980 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the subregister hashtable output more readable by wrapping the lines,Owen Anderson2008-07-011-2/+4
| | | | | | | and mark it const along with the associated changes to TargetRegisterInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52966 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace the dynamically computed std::set lookup method for subregisters ↵Owen Anderson2008-07-011-10/+0
| | | | | | | | | with a hashtable-based version that is computed by tblgen at the time LLVM is compiled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52945 91177308-0d34-0410-b5e6-96231b3b80d8
* Cache subregister relationships in a set in TargetRegisterInfo to allow ↵Owen Anderson2008-06-271-0/+10
| | | | | | | | | faster lookups. This speeds up LiveVariables from 0.6279s to 0.6165s on kimwitu++. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52818 91177308-0d34-0410-b5e6-96231b3b80d8
* Wrap MVT::ValueType in a struct to get type safetyDuncan Sands2008-06-061-2/+1
| | | | | | | | | | | | | | | | | 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
* 80 col violation.Evan Cheng2008-04-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50266 91177308-0d34-0410-b5e6-96231b3b80d8
* If there are multiple register classes that a register belongs to, return ↵Evan Cheng2008-03-111-4/+27
| | | | | | 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
* When the register allocator runs out of registers, spill a physical register ↵Evan Cheng2008-03-111-5/+6
| | | | | | 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
* Rename MRegisterInfo to TargetRegisterInfo.Dan Gohman2008-02-101-0/+90
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46930 91177308-0d34-0410-b5e6-96231b3b80d8
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