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2004-03-09Spill explicit physical register defs as well.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12260 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-06As I wrote in the docs, simple is the default spiller :-)Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12189 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-06Add simple spiller.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12188 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-03Make MachineOperand's value named 'contents'. Make really, really sureBrian Gaeke
it is always completely initialized and copied. Also, fix up many comments and asserts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12100 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01Add a spiller option to llc. A simple spiller will come soon. When we get ↵Alkis Evlogimenos
CFG in the machine code represenation a global spiller will also be possible. Also document the linear scan register allocator but mark it as experimental for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12062 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01Add the long awaited memory operand folding support for linear scanAlkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12058 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01TargetCacheInfo has been removed; its only uses were to propagate a constantBrian Gaeke
(16) into certain areas of the SPARC V9 back-end. I'm fairly sure the US IIIi's dcache has 32-byte lines, so I'm not sure where the 16 came from. However, in the interest of not breaking things any more than they already are, I'm going to leave the constant alone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12043 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01Adding new Modulo Scheduling graph files.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12031 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01Removing old graph files with new graph files that I wrote. Updated ↵Tanya Lattner
ModuloScheduling pass, but still in progress. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12030 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29Add an assertChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12010 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29Add back #include I messed upChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12009 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29Urg, forgot to check this in.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12007 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29Move the private MachineInstrAnnot.h into a private directory.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12003 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29Remove use of an ugly headerChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12002 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29Move methods out of .h fileChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12001 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29Eliminate the distinction between "real" and "unreal" instructionsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11986 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29int64_t -> intChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11977 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27Rename member function to be consistent with the rest.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11898 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27Make spiller push stores right after the definition of a register soAlkis Evlogimenos
that they are as far away from the loads as possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11895 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27Fix crash caused by passing register 0 toAlkis Evlogimenos
MRegisterInfo::isPhysicalRegister(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11894 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26Clear maps right after basic block is processed.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11892 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26Uncomment assertions that register# != 0 on calls toAlkis Evlogimenos
MRegisterInfo::is{Physical,Virtual}Register. Apply appropriate fixes to relevant files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11882 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26No need to clear the map here, it will always be emptyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11868 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25Fix bugs found with recent addition of assertions inAlkis Evlogimenos
MRegisterInfo::is{Physical,Virtual}Register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11849 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25Great sparc renaming fallout IV: Sparc --> SparcV9.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11844 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25Remove asssert since it is breaking cases that it shouldn't.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11841 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25Add DenseMap template and actually use it for for mapping virtual regsAlkis Evlogimenos
to objects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11840 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25Add an assertionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11830 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-24FunctionLiveVarInfo.h moved: include/llvm/CodeGen -> lib/Target/Sparc/LiveVarBrian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11804 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-24Move machine code rewriter and spiller outside the registerAlkis Evlogimenos
allocator. The implementation is completely rewritten and now employs several optimizations not exercised before. For example for 164.gzip we have 997 loads and 699 stores vs the 1221 loads and 880 stores we have before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11798 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-24Add predicates for checking if a virtual register has a physicalAlkis Evlogimenos
register mapping or a stack slot mapping. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11795 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Make enum private as it is an implementation detail.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11782 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Remove '4Virt' from member function names as it is obvious.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11781 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Refactor VirtRegMap out of RegAllocLinearScan as the first part of bugAlkis Evlogimenos
251 (providing a generic machine code rewriter/spiller). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11780 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Add number of spilled registers statistic.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11759 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Fix bugs in finegrainificationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11758 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Finegrainify namespacificationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11757 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Use MachineBasicBlock::getParent().Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11756 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Remove implementation of default constructor as it is useless now.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11755 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Refactor rewinding code for finding the first terminator of a basicAlkis Evlogimenos
block into MachineBasicBlock::getFirstTerminator(). This also fixes a bug in the implementation of the above in both RegAllocLocal and InstrSched, where instructions where added after the terminator if the basic block's only instruction was a terminator (it shouldn't matter for RegAllocLocal since this case never occurs in practice). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11748 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Improved PhysRegTracker interface. RegAlloc lazily allocates the register ↵Alkis Evlogimenos
tracker using a std::auto_ptr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11738 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Simplify iterator usage now that we have next(). Also don't pass iterators ↵Alkis Evlogimenos
by reference now that MachineInstr* are in an ilist git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11732 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Some code cleanups from ChrisAlkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11724 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Fix comments in PhysRegTracker and rename isPhysRegAvail to isRegAvail to be ↵Alkis Evlogimenos
consistent with the other two git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11723 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Move LiveIntervals.h up to be the first included headerAlkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11721 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Pull PhysRegTracker out of RegAllocLinearScan as it can be used by other ↵Alkis Evlogimenos
allocators as well git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11720 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-23Move LiveIntervals.h to lib/CodeGen since it shouldn't be exposed to other ↵Alkis Evlogimenos
parts of the compiler git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11719 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22Another bug fix for empty MBB'sChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11716 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22Fix a bug where we were implicitly assuming that there would be at leastChris Lattner
one terminator instruction in each basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11714 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22Print basic block boundaries in machine instruction debug output.Alkis Evlogimenos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11704 91177308-0d34-0410-b5e6-96231b3b80d8
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