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2010-12-08Fix an obvious cut-n-paste error.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121307 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Implement very primitive hinting support in RegAllocGreedy.Jakob Stoklund Olesen
The hint is simply tried first and then forgotten if it couldn't be allocated immediately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121306 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Add operand encoding for Thumb2 addw SP + imm. rdar://8745434Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121305 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Parameterize opcode encoding bits for Thumb2 extended precision integerJim Grosbach
multiply instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121301 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Fix operand encoding for Thumb2 extended precision multiplies. rdar://8745555Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121297 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Store (priority,regnum) pairs in the priority queue instead of providing anJakob Stoklund Olesen
abstract priority queue interface in subclasses that want to override the priority calculations. Subclasses must provide a getPriority() implementation instead. This approach requires less code as long as priorities are expressable as simple floats, and it avoids the dangers of defining potentially expensive priority comparison functions. It also should speed up priority_queue operations since they no longer have to chase pointers when comparing registers. This is not measurable, though. Preferably, we shouldn't use floats to guide code generation. The use of floats here is derived from the use of floats for spill weights. Spill weights have a dynamic range that doesn't lend itself easily to a fixpoint implementation. When someone invents a stable spill weight representation, it can be reused for allocation priorities. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121294 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Reword comment slightly.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121293 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Simplify T2 operand assignment notation a bit. No need to specify a bit rangeJim Grosbach
for the source field when it's the whole thing that's being referenced. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121291 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Use type's file info while describing inheritance relationship.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121289 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Fix comment.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121285 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Trim includes.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121283 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Add support to create debug info for functions and methods.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121281 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Tweak ARM fixup value adjustments for Thumb to better handle the half-wordJim Grosbach
ordering of thumb mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121280 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Add support to create class type.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121279 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Generalize PostRAHazardRecognizer so it can be used in any pass forAndrew Trick
both forward and backward scheduling. Rename it to ScoreboardHazardRecognizer (Scoreboard is one word). Remove integer division from the scoreboard's critical path. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121274 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Improve comment.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121272 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Add initializer.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121262 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Add comments.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121238 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Stub out RegAllocGreedy.Jakob Stoklund Olesen
This new register allocator is initially identical to RegAllocBasic, but it will receive all of the tricks that RegAllocBasic won't get. RegAllocGreedy will eventually replace linear scan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121234 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Add support for loading from a constant pool.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121226 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Add support to create vector, array, enums etc...Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121224 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Let target asm backends see assembler flags as they go by. Use that to handleJim Grosbach
thumb vs. arm mode differences in WriteNopData(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121219 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Move RABasic::addMBBLiveIns to the base class, it is generally useful.Jakob Stoklund Olesen
Minor optimization to the use of IntervalMap iterators. They are fairly heavyweight, so prefer SI.valid() over SI != end(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121217 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Simplify the byte reordering logic slightly.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121216 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08VLDR fixups need special handling under Thumb. While the encoding is the same,Owen Anderson
the order of the bytes in the data stream is flipped around. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121215 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Global variable does not need linkage name.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121212 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Add support to create local variable's debug info.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121211 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Layout each section independently. With the testcase in PR8711:Rafael Espindola
before: 4 assembler - Number of assembler layout and relaxation steps 78563 assembler - Number of emitted assembler fragments 8693904 assembler - Number of emitted object file bytes 271223 assembler - Number of evaluated fixups 330771677 assembler - Number of fragment layouts 5958 assembler - Number of relaxed instructions 2508361 mcexpr - Number of MCExpr evaluations real 0m26.123s user 0m25.694s sys 0m0.388s after: 4 assembler - Number of assembler layout and relaxation steps 78563 assembler - Number of emitted assembler fragments 8693904 assembler - Number of emitted object file bytes 271223 assembler - Number of evaluated fixups 231507 assembler - Number of fragment layouts 5958 assembler - Number of relaxed instructions 2508361 mcexpr - Number of MCExpr evaluations real 0m2.500s user 0m2.113s sys 0m0.273s And yes, the outputs are identical :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121207 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Fix a warning about a variable which is only used in an assertion.Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121206 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Add support to create variables, structs etc.. using DIBuilder.Devang Patel
This is still work in progress. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121205 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Switch LiveIntervalUnion from std::set to IntervalMap.Jakob Stoklund Olesen
This speeds up RegAllocBasic by 20%, not counting releaseMemory which becomes way faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121201 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Cleanup in the Darwin end. No functionality change.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121198 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Fix a bad prologue / epilogue codegen bug where the compiler would emit illegalEvan Cheng
vpush instructions to save / restore VFP / NEON registers like this: vpush {d8,d10,d11} vpop {d8,d10,d11} vpush and vpop do not allow gaps in the register list. rdar://8728956 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121197 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07A bit of cleanup: early exit ApplyFixup and cache the Fixup offset. NoBill Wendling
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121195 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Binary encoding for ARM tLDRspi and tSTRspi.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121186 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Fix Thumb2 encoding of the S bit.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121182 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Refactor the ARM CMPz* patterns to just use the normal CMP instructions whenJim Grosbach
possible. They were duplicates for everything exception the source pattern before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121179 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Code clean up; no functionality change.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121176 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Code clean up; no functionality change.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121172 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Remove the code from Function::dropAllReferences which replacedDan Gohman
uses of the function's blocks with undef. This code isn't needed, because BasicBlock's destructor handles such uses. Also, undef isn't correct, since blockaddresses may still be used for comparisons with null. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Remove target specific node MipsISD::CMov, which is not used because all ↵Bruno Cardoso Lopes
conditional moves are directly matched using tablegen patterns. If there's a need in the future, we can introduce it again git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121164 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Match a pattern generated by a dag combiner opt where:Bruno Cardoso Lopes
(select (load (load tga0)) (load tga1)) => (load (select (load tga0) tga1)) Thanks to Akira for pointing that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121163 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Simplify assertion.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121162 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Support: Remove Alarm. It is unused (via local grep and google code search).Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121160 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Support/PathV2: Remove const from bool return types.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121157 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Encode the literal field for tCMPzi instruction.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121153 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Fix absolute recording of differences of symbols in two sections. Reduced ↵Rafael Espindola
from ctor_dtor_count-2.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121152 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Support/PathV2: Change most functions in the path namespace to return their workMichael J. Spencer
via their return value instead of an out parameter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121149 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07build: Go back to dropping __eprintf reference when building with Clang, seeDaniel Dunbar
comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121146 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Add parens to pacify gcc.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121142 91177308-0d34-0410-b5e6-96231b3b80d8
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