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llvm-mirror/lib/CodeGen
Chris Lattner b0c50d1b7d Reduce the number of copies emitted as machine instructions by
generating results in vregs that will need them.  In the case of something
like this:  CopyToReg((add X, Y), reg1024), we no longer emit code like
this:

   reg1025 = add X, Y
   reg1024 = reg 1025

Instead, we emit:

   reg1024 = add X, Y

Whoa! :)

llvm-svn: 24111
2005-10-30 18:54:27 +00:00
..
SelectionDAG Reduce the number of copies emitted as machine instructions by 2005-10-30 18:54:27 +00:00
AsmPrinter.cpp Culling out use of unions for converting FP to bits and vice versa. 2005-08-17 19:34:49 +00:00
BranchFolding.cpp Remove trailing whitespace 2005-04-21 22:36:52 +00:00
ELFWriter.cpp Fix VC++ constant truncation warning. 2005-08-19 16:19:21 +00:00
IntrinsicLowering.cpp When a function takes a variable number of pointer arguments, with a zero 2005-10-23 04:37:20 +00:00
LiveInterval.cpp Fix LiveInterval::getOverlapingRanges to take things in the right order 2005-10-21 06:41:30 +00:00
LiveIntervalAnalysis.cpp Fix some spello's pointed out by Gabor Greif 2005-10-26 18:41:41 +00:00
LiveVariables.cpp Implement LiveVariables.h change 2005-08-24 00:09:33 +00:00
MachineBasicBlock.cpp Remove trailing whitespace 2005-04-21 22:36:52 +00:00
MachineCodeEmitter.cpp new is not a valid default anywhere, so make this pure virtual 2005-07-28 18:13:59 +00:00
MachineFunction.cpp Added graphviz/gv support for MF. 2005-10-12 12:09:05 +00:00
MachineInstr.cpp Remove trailing whitespace 2005-04-21 22:36:52 +00:00
Makefile Change Library Names Not To Conflict With Others When Installed 2004-10-27 23:18:45 +00:00
Passes.cpp Alkis agrees that that iterative scan allocator isn't going to be worked on 2005-10-24 04:14:30 +00:00
PHIElimination.cpp clean up this code a bit, no functionality change 2005-10-03 07:22:07 +00:00
PhysRegTracker.h Improved PhysRegTracker interface. RegAlloc lazily allocates the register tracker using a std::auto_ptr 2004-02-23 06:10:13 +00:00
PrologEpilogInserter.cpp now that we have a reg class to spill with, get this info from the regclass 2005-09-30 17:19:22 +00:00
RegAllocLinearScan.cpp Expose the LiveInterval interfaces as public headers. 2005-09-21 04:19:09 +00:00
RegAllocLocal.cpp Change this code ot pass register classes into the stack slot spiller/reloader 2005-09-30 01:29:00 +00:00
RegAllocSimple.cpp Change this code ot pass register classes into the stack slot spiller/reloader 2005-09-30 01:29:00 +00:00
TwoAddressInstructionPass.cpp Fix some spello's pointed out by Gabor Greif 2005-10-26 18:41:41 +00:00
UnreachableBlockElim.cpp Remove trailing whitespace 2005-04-21 22:36:52 +00:00
ValueTypes.cpp add printer support for flag operands 2005-08-25 17:59:23 +00:00
VirtRegMap.cpp Fix the LLC regressions on X86 last night. In particular, when undoing 2005-10-06 17:19:06 +00:00
VirtRegMap.h Remove trailing whitespace 2005-04-21 22:36:52 +00:00