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1185 Commits

Author SHA1 Message Date
Alkis Evlogimenos 20f1b0bafb Add includes and use std:: for standard library calls to make code 
compile on windows. This patch was contributed by Paolo Invernizzi.

llvm-svn: 16539
 2004-09-28 14:42:44 +00:00
Alkis Evlogimenos fc59e0e8a3 Fix includes. Patch contributed by Paolo Invernizzi! 
llvm-svn: 16533
 2004-09-28 02:38:58 +00:00
Alkis Evlogimenos 213e6db9ce Grow the map on entry so that we don't crash if joinIntervals never 
runs (if coalescing is disabled for example).

llvm-svn: 16259
 2004-09-09 19:24:38 +00:00
Alkis Evlogimenos adb2ce2962 Use a DenseMap for mapping reg->reg. This improves the LiveInterval 
analysis running time from 2.7869secs to 2.5226secs on 176.gcc.

llvm-svn: 16244
 2004-09-08 03:01:50 +00:00
Alkis Evlogimenos 58350a7435 Indent to 2 spaces and cleanup excess whitespace. 
llvm-svn: 16188
 2004-09-05 18:41:35 +00:00
Alkis Evlogimenos fcb3f5197e Indent to 2 spaces. 
llvm-svn: 16187
 2004-09-05 18:39:20 +00:00
Misha Brukman 14a2b4628d Order #includes alphabetically, local .h files first. 
llvm-svn: 16153
 2004-09-03 18:25:53 +00:00
Alkis Evlogimenos a5c04ee50f Fixes to make LLVM compile with vc7.1. 
Patch contributed by Paolo Invernizzi!

llvm-svn: 16152
 2004-09-03 18:19:51 +00:00
Alkis Evlogimenos 9f82237f4e Change the way we choose a free register: instead of picking the first 
free allocatable register, we prefer the a free one with the most uses
of inactive intervals.

llvm-svn: 16148
 2004-09-02 21:24:33 +00:00
Alkis Evlogimenos 095c3a80f3 Change the way we choose a free register: instead of picking the first 
free allocatable register, we prefer the a free one with the most uses
of inactive intervals. This causes less spills and performes a bit
better compared to gcc:

Program                 | GCC/LLC (Before)| GCC/LLC (After)
164.gzip/164.gzip       | 0.59            | 0.60
175.vpr/175.vpr         | 0.57            | 0.58
176.gcc/176.gcc         | 0.59            | 0.61
181.mcf/181.mcf         | 0.94            | 0.95
186.crafty/186.crafty   | 0.62            | 0.62
197.parser/197.parser   | 0.89            | 0.88
252.eon/252.eon         | 0.61            | 0.66
253.perlbmk/253.perlbmk | 0.79            | 0.84
254.gap/254.gap         | 0.81            | 0.81
255.vortex/255.vortex   | 0.92            | 0.93
256.bzip2/256.bzip2     | 0.69            | 0.69
300.twolf/300.twolf     | 0.91            | 0.90

llvm-svn: 16147
 2004-09-02 21:23:32 +00:00
Alkis Evlogimenos dcbf893095 We don't need to sort the added vector as unhandled intervals are 
stored in a binary heap.

llvm-svn: 16143
 2004-09-02 18:00:38 +00:00
Reid Spencer 7c16caa336 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Alkis Evlogimenos fae8f6a4fb Be a bit more efficient when processing the active and inactive 
lists. Instead of scanning the vector backwards, scan it forward and
swap each element we want to erase. Then at the end erase all removed
intervals at once. This doesn't save much: 0.08s out of 4s when
compiling 176.gcc.

llvm-svn: 16136
 2004-09-01 22:52:29 +00:00
Alkis Evlogimenos 6a099d439e Give a better assertion if we see a use before a def. 
llvm-svn: 16135
 2004-09-01 22:34:52 +00:00
Alkis Evlogimenos b84f0be5b1 Minor code clarity changes. 
llvm-svn: 16123
 2004-08-31 17:39:15 +00:00
Nate Begeman c9dec3ae70 Put this change back in after testing from Reid proved its innocence. getSpillSize now returns value in bits 
llvm-svn: 16102
 2004-08-29 22:00:24 +00:00
Alkis Evlogimenos c227d73e5f Remove dead code. 
llvm-svn: 16077
 2004-08-28 22:43:31 +00:00
Alkis Evlogimenos e2d962e0fd Now that LiveIntervals::addIntervalsForSpills is fixed, do not require 
LiveVariables.

llvm-svn: 16076
 2004-08-27 19:00:29 +00:00
Alkis Evlogimenos 8c67a3003e Only update LiveVariables if it is available. addIntervalsForSpills 
runs after the initial run of the live interval analysis.

llvm-svn: 16075
 2004-08-27 18:59:22 +00:00
Alkis Evlogimenos efd40bce75 Back out this change as it broke the build last night. This should be 
investicated further as the linearscan variants don't really need
LiveVariables...

llvm-svn: 16074
 2004-08-27 18:01:21 +00:00
Nate Begeman c561fc3731 Back out change to divide getSpillSize by 8 until I figure out why it breaks x86, which has register sizes in bits. 
llvm-svn: 16073
 2004-08-27 16:48:24 +00:00
Alkis Evlogimenos 11f0fc8eda The linear scan variants do not require the LiveVariables analysis. 
llvm-svn: 16071
 2004-08-27 04:51:13 +00:00
Nate Begeman fa2bf42539 Register sizes are in bits, not bytes 
llvm-svn: 16070
 2004-08-27 04:28:10 +00:00
Alkis Evlogimenos 2c69803b61 Use newly added API in MRegisterInfo and don't expose the allocatable 
register set anymore. Its users now use the MRegisterInfo API.

llvm-svn: 16061
 2004-08-26 22:23:32 +00:00
Alkis Evlogimenos 542ac1cba7 Use newly added API in MRegisterInfo. 
llvm-svn: 16060
 2004-08-26 22:22:38 +00:00
Chris Lattner d8b5be4726 Fix a bug in a previous checkin of mine, correcting 
Regression.CodeGen.Generic.2004-04-09-SameValueCoalescing.llx and the
code size problem.

This bug prevented us from doing most register coallesces.

llvm-svn: 16031
 2004-08-24 17:48:29 +00:00
Chris Lattner a88d667487 Do not use .xword and friends to emit zeros on V9. Apparently there are issues 
with emitting .xwords when not on an 8-byte boundary (.xword 0 is not the
same as 8 .byte 0's).  Because we do not know when or when we are not aligned,
just emit bytes like the old V9 asmprinter did.

llvm-svn: 16006
 2004-08-24 00:26:11 +00:00
Chris Lattner 36ba4bb042 Register info alignment is in bits, frame object alignment is (currently) in 
bytes.

llvm-svn: 15970
 2004-08-21 20:04:59 +00:00
Chris Lattner f76ccd43b8 Now that we have per-register spill size/alignment info, remove more uses 
of getRegClass

llvm-svn: 15967
 2004-08-21 19:45:10 +00:00
Brian Gaeke 7593525fcd Instead of using isDummyPhiInstr, we just compare the opcode with V9::PHI. 
llvm-svn: 15906
 2004-08-18 20:04:24 +00:00
Brian Gaeke de44bc018a Instead of using isDummyPhiInstr, we just compare the opcode with V9::PHI. 
Also, squash a use of TargetInstrInfo::isNop().

llvm-svn: 15905
 2004-08-18 20:04:21 +00:00
Chris Lattner 10262ab3f1 Rename var 
llvm-svn: 15897
 2004-08-18 02:22:55 +00:00
Chris Lattner ea75199996 Add support for targets without a .zero directive 
llvm-svn: 15894
 2004-08-17 21:38:40 +00:00
Chris Lattner 1d35c1673f Add support for alignment 
llvm-svn: 15888
 2004-08-17 19:14:29 +00:00
Chris Lattner da6beac0ff Use a designated comment character when printing comments. 
llvm-svn: 15880
 2004-08-17 16:27:05 +00:00
Chris Lattner 9fa0fc4d5e Add support for targets that have .quad, drop extra tab inserted 
llvm-svn: 15870
 2004-08-17 06:48:16 +00:00
Chris Lattner 8452a1f6df Implement emitGlobalConstant 
llvm-svn: 15868
 2004-08-17 06:36:49 +00:00
Chris Lattner 6d42cbd71a We now allow targets to use any prefix they want for global symbols. Lets 
hear it for ".".

llvm-svn: 15863
 2004-08-17 06:06:19 +00:00
Chris Lattner 07e78f177a Some asmwriters want an _ prefix 
llvm-svn: 15845
 2004-08-17 02:28:26 +00:00
Chris Lattner 6a8e0f511b Initial implementation of the asmprinter base class 
llvm-svn: 15838
 2004-08-16 23:15:22 +00:00
Chris Lattner a1d7802e3c Move this code to lib/Target/SparcV9/MachineFunctionInfo.cpp 
llvm-svn: 15834
 2004-08-16 22:36:34 +00:00
Chris Lattner bb9aa25a52 This file is moving to lib/Target/SparcV9 
llvm-svn: 15833
 2004-08-16 22:36:10 +00:00
Chris Lattner 9fb30a4257 Move MachineCodeForInstruction.h and MachineFunctionInfo.h into lib/Target/SparcV9 
llvm-svn: 15830
 2004-08-16 21:55:02 +00:00
Chris Lattner 491a52cf22 Nuke this file 
llvm-svn: 15829
 2004-08-16 21:36:40 +00:00
Chris Lattner d75c0438a1 Fold MachineInstrAnnot.cpp into this file 
llvm-svn: 15828
 2004-08-16 21:36:31 +00:00
Brian Gaeke 224704fc6f Add a note that people shouldn't use MachineFunctionInfo. 
llvm-svn: 15823
 2004-08-16 18:27:24 +00:00
Chris Lattner 5943c5078c Reduce usage of MRegisterInfo::getRegClass 
llvm-svn: 15784
 2004-08-15 22:23:09 +00:00
Chris Lattner 6199899483 The insertion method returns void now 
llvm-svn: 15779
 2004-08-15 22:14:31 +00:00
Chris Lattner afe8e34940 Nuke ifdef'd out code 
llvm-svn: 15777
 2004-08-15 22:03:57 +00:00
Chris Lattner c66f27fd29 Stop using CreateStackObject(RegClass*) 
llvm-svn: 15775
 2004-08-15 22:02:22 +00:00