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Age	Commit message (Collapse)	Author	Files	Lines
2010-10-26	Make the spiller responsible for updating the LiveStacks analysis.	Jakob Stoklund Olesen	1	-0/+2
	llvm-svn: 117337
2010-10-07	Now with fewer extraneous semicolons!	Owen Anderson	1	-1/+1
	llvm-svn: 115996
2010-07-21	Fix batch of converting RegisterPass<> to INTIALIZE_PASS().	Owen Anderson	1	-1/+2
	llvm-svn: 109045
2010-06-26	VNInfos don't need to be destructed anymore.	Benjamin Kramer	1	-2/+2
	llvm-svn: 106943
2010-03-30	Introduce SpecificBumpPtrAllocator, a wrapper for BumpPtrAllocator which allows	Benjamin Kramer	1	-1/+1
	only a single type of object to be allocated. Use it to make VNInfo destruction typesafe. llvm-svn: 99919
2009-11-03	The Indexes Patch.	Lang Hames	1	-7/+2
	This introduces a new pass, SlotIndexes, which is responsible for numbering instructions for register allocation (and other clients). SlotIndexes numbering is designed to match the existing scheme, so this patch should not cause any changes in the generated code. For consistency, and to avoid naming confusion, LiveIndex has been renamed SlotIndex. The processImplicitDefs method of the LiveIntervals analysis has been moved into its own pass so that it can be run prior to SlotIndexes. This was necessary to match the existing numbering scheme. llvm-svn: 85979
2009-08-23	Change Pass::print to take a raw ostream instead of std::ostream,	Chris Lattner	1	-2/+1
	update all code that this affects. llvm-svn: 79830
2009-08-23	shoot a few more std::ostream print methods in the head.	Chris Lattner	1	-4/+7
	llvm-svn: 79814
2009-06-02	Update to in-place spilling framework. Includes live interval scaling and ↵	Lang Hames	1	-0/+9
	trivial rewriter. llvm-svn: 72729
2009-05-03	In some rare cases, the register allocator can spill registers but end up ↵	Evan Cheng	1	-3/+9
	not utilizing registers at all. The fundamental problem is linearscan's backtracking can end up freeing more than one allocated registers. However, reloads and restores might be folded into uses / defs and freed registers might not be used at all. VirtRegMap keeps track of allocations so it knows what's not used. As a horrible hack, the stack coloring can color spill slots with free registers. That is, it replace reload and spills with copies from and to the free register. It unfold instructions that load and store the spill slot and replace them with register using variants. Not yet enabled. This is part 1. More coming. llvm-svn: 70787
2008-09-22	Livestacks really does preserve everything.	Evan Cheng	1	-2/+1
	llvm-svn: 56476
2008-09-22	Instead of setPreservesAll, just mark them preseving machine loop info and ↵	Evan Cheng	1	-1/+2
	machine dominators. llvm-svn: 56475
2008-09-22	Mark several codegen passes as preserving all analysis.	Evan Cheng	1	-0/+1
	llvm-svn: 56469
2008-06-04	Add a stack slot coloring pass. Not yet enabled.	Evan Cheng	1	-0/+50
	llvm-svn: 51934