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259 Commits

Author SHA1 Message Date
Alkis Evlogimenos aaba4639f8 Change interface of MachineOperand as follows: 
a) remove opIsUse(), opIsDefOnly(), opIsDefAndUse()
    b) add isUse(), isDef()
    c) rename opHiBits32() to isHiBits32(),
              opLoBits32() to isLoBits32(),
              opHiBits64() to isHiBits64(),
              opLoBits64() to isLoBits64().

This results to much more readable code, for example compare
"op.opIsDef() || op.opIsDefAndUse()" to "op.isDef()" a pattern used
very often in the code.

llvm-svn: 10461
 2003-12-14 13:24:17 +00:00
Alkis Evlogimenos 4f7f017ab5 When reserving a preallocated register spill the aliases of this 
register too.

llvm-svn: 10450
 2003-12-13 11:58:10 +00:00
Alkis Evlogimenos ed53b35076 Expire any active intervals left when register allocation is done. 
llvm-svn: 10448
 2003-12-13 05:50:19 +00:00
Alkis Evlogimenos e6dc614c3c Add instruction numbers to debugging output. 
llvm-svn: 10447
 2003-12-13 05:48:57 +00:00
Alkis Evlogimenos f8fe176204 Fix bug in register spilling when a preallocated live range overlaps a 
potential register assignment.

llvm-svn: 10291
 2003-12-05 11:17:55 +00:00
Alkis Evlogimenos 5fe0031c68 Improve debugging output and clean up some code. 
llvm-svn: 10288
 2003-12-04 03:57:28 +00:00
Alkis Evlogimenos 26f17e73eb Print instructions before register allocation is performed. Also fix 
bug where spill instructions were added to the next basic block
instead of the end of the current one if the instruction that required
the spill was the last in the block.

llvm-svn: 10272
 2003-11-30 23:40:39 +00:00
Alkis Evlogimenos 0aa40f8db0 Remove "numReloaded" statistic. 
llvm-svn: 10268
 2003-11-30 05:15:36 +00:00
Alkis Evlogimenos 0e9ded74c0 Merging the linear scan register allocator in trunk. It currently passes most tests under test/Programs/SingleSource/Benchmarks/Shootout so development will continue on trunk. The allocator is not enabled by default. You will need to pass -regallo=linearscan to lli or llc to use it. 
llvm-svn: 10103
 2003-11-20 03:32:25 +00:00