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* Provide hooks to set MI flags in MachineInstrBuilderAnton Korobeynikov2011-03-051-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127100 91177308-0d34-0410-b5e6-96231b3b80d8
* Some first rudimentary support for ARM EHABI: print exception table in "text ↵Anton Korobeynikov2011-03-0510-3/+205
| | | | | | mode". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127099 91177308-0d34-0410-b5e6-96231b3b80d8
* Add FrameSetup MI flagsAnton Korobeynikov2011-03-052-13/+54
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127098 91177308-0d34-0410-b5e6-96231b3b80d8
* Shorten AsmPrinterFlags filed to accomodate for future Flags fieldAnton Korobeynikov2011-03-051-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127097 91177308-0d34-0410-b5e6-96231b3b80d8
* Work around a coalescer bug.Jakob Stoklund Olesen2011-03-052-4/+23
| | | | | | | | | | | | The coalescer can in very rare cases leave too large live intervals around after rematerializing cheap-as-a-move instructions. Linear scan doesn't really care, but live range splitting gets very confused when a live range is killed by a ghost instruction. I will fix this properly in the coalescer after 2.9 branches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127096 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused conditional negate operations.Bob Wilson2011-03-055-48/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127090 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: We know the number of items initially added to the worklist ↵Benjamin Kramer2011-03-051-0/+1
| | | | | | map, reserve space early to avoid rehashing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127089 91177308-0d34-0410-b5e6-96231b3b80d8
* Lazily allocate DenseMaps.Benjamin Kramer2011-03-051-3/+20
| | | | | | | | | | This makes lookup slightly more expensive but it's worth it, unused DenseMaps are common in LLVM code apparently. 1% speedup on clang -O3 bzip2.c 4% speedup on clang -O3 oggenc.c (Release build of clang on i386/linux) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127088 91177308-0d34-0410-b5e6-96231b3b80d8
* ptx: add basic intrinsic supportChe-Liang Chiou2011-03-056-2/+117
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127084 91177308-0d34-0410-b5e6-96231b3b80d8
* Be explicit with abs(). Visual Studio workaround.Andrew Trick2011-03-051-4/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127075 91177308-0d34-0410-b5e6-96231b3b80d8
* utils/lit/lit/TestRunner.py: bash is available with MSYS on Python/W32. Then ↵NAKAMURA Takumi2011-03-051-5/+10
| | | | | | we can execute "bash tests". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127074 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for ↵NAKAMURA Takumi2011-03-053-20/+41
| | | | | | | | alternative of $(ECHO). On mingw and python/w32, lit would not be expected to understand MSYS-style path. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127073 91177308-0d34-0410-b5e6-96231b3b80d8
* On Windows hosts, Python scripts in test/Scripts did not accept binary files ↵NAKAMURA Takumi2011-03-051-0/+1
| | | | | | from stdin. The environment variable "PYTHONUNBUFFERED" makes stdin as binary. Thanks to Danil Malyshev! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127072 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for -sched-high-latency-cycles in sched=list-ilp mode.Andrew Trick2011-03-051-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127071 91177308-0d34-0410-b5e6-96231b3b80d8
* Missing "virtual" keyword. Jakob's review.Andrew Trick2011-03-051-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127070 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR9398 - 10% of llc compile time is spent in Value::getNumUses. This reducesCameron Zwarich2011-03-051-7/+22
| | | | | | | the percentage of time spent in CodeGenPrepare when llcing 403.gcc from 12.6% to 1.8% of total llc time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127069 91177308-0d34-0410-b5e6-96231b3b80d8
* Missing comment.Andrew Trick2011-03-051-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127068 91177308-0d34-0410-b5e6-96231b3b80d8
* Increased the register pressure limit on x86_64 from 8 to 12Andrew Trick2011-03-056-30/+173
| | | | | | | | | | | | | | | | | | | | | | | | regs. This is the only change in this checkin that may affects the default scheduler. With better register tracking and heuristics, it doesn't make sense to artificially lower the register limit so much. Added -sched-high-latency-cycles and X86InstrInfo::isHighLatencyDef to give the scheduler a way to account for div and sqrt on targets that don't have an itinerary. It is currently defaults to 10 (the actual number doesn't matter much), but only takes effect on non-default schedulers: list-hybrid and list-ilp. Added several heuristics that can be individually disabled for the non-default sched=list-ilp mode. This helps us determine how much better we can do on a given benchmark than the default scheduler. Certain compute intensive loops run much faster in this mode with the right set of heuristics, and it doesn't seem to have much negative impact elsewhere. Not all of the heuristics are needed, but we still need to experiment to decide which should be disabled by default for sched=list-ilp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127067 91177308-0d34-0410-b5e6-96231b3b80d8
* remove jeff's name (by his request)Chris Lattner2011-03-051-3/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127066 91177308-0d34-0410-b5e6-96231b3b80d8
* whitespaceAndrew Trick2011-03-051-51/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127065 91177308-0d34-0410-b5e6-96231b3b80d8
* Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw wheneverNick Lewycky2011-03-054-1/+109
| | | | | | | | | | possible. This goes into instcombine and instsimplify because instsimplify doesn't need to check hasOneUse since it returns (almost exclusively) constants. This fixes PR9343 #4 #5 and #8! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127064 91177308-0d34-0410-b5e6-96231b3b80d8
* Try once again to optimize "icmp (srem X, Y), Y" by turning the comparison intoNick Lewycky2011-03-052-0/+45
| | | | | | | true/false or "icmp slt/sge Y, 0". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127063 91177308-0d34-0410-b5e6-96231b3b80d8
* Rework the global split cost calculation.Jakob Stoklund Olesen2011-03-051-21/+30
| | | | | | | The global cost is the sum of block frequencies for spill code that must be inserted because preferences weren't met. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127062 91177308-0d34-0410-b5e6-96231b3b80d8
* test/CodeGen/X86/vec_cast.ll: [PR8311] Add explicit -mtriple=x86_64-linux ↵NAKAMURA Takumi2011-03-051-2/+2
| | | | | | and -mtriple=x86_64-win32. Thanks to Nadav, it might be fixed in r126424. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127060 91177308-0d34-0410-b5e6-96231b3b80d8
* test commitJin-Gu Kang2011-03-051-0/+1
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* Compute the constraints for global live range splitting from an interference ↵Jakob Stoklund Olesen2011-03-051-163/+67
| | | | | | | | | | | pattern. This simplifies the code and makes it faster too. The interference patterns are saved for each candidate register. It will be reused for actually executing the split. Work in progress. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127054 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the register scavenger to take subregs into account when finding a ↵Jim Grosbach2011-03-052-6/+11
| | | | | | free register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127049 91177308-0d34-0410-b5e6-96231b3b80d8
* Support unregistering exception frames of functions when they are removed.Eric Christopher2011-03-043-9/+25
| | | | | | | | | Patch by Johannes Schaub! Fixes PR8548 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127047 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the case where the number of jobs is less than theDavid Greene2011-03-041-3/+12
| | | | | | | | number of threads. In that case make the number of threads equal to the number of jobs and launch one jobs on each thread. This makes things work like make -j. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127045 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve readability with some whitespace!Eric Christopher2011-03-041-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127043 91177308-0d34-0410-b5e6-96231b3b80d8
* Extract a method. No functional change.Jakob Stoklund Olesen2011-03-041-40/+52
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127040 91177308-0d34-0410-b5e6-96231b3b80d8
* Initialize variable.Bill Wendling2011-03-041-1/+1
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* Go back to comparing spill weights when deciding if interference can be evicted.Jakob Stoklund Olesen2011-03-041-9/+5
| | | | | | | It gives better results. Sometimes, a live range can be large and still have high spill weight. Such a range should not be spilled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127036 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve div/rem node handling on mips. Patch by Akira HatanakaBruno Cardoso Lopes2011-03-045-34/+131
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127034 91177308-0d34-0410-b5e6-96231b3b80d8
* Add testcase for r127032Bruno Cardoso Lopes2011-03-041-0/+13
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* Expands register/immediate pairs when the immediate is too large to fit in ↵Bruno Cardoso Lopes2011-03-043-8/+122
| | | | | | 16-bit field. Patch by Akira Hatanaka git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127032 91177308-0d34-0410-b5e6-96231b3b80d8
* When decling to reuse existing expressions that involve casts, ignoreDan Gohman2011-03-042-1/+46
| | | | | | | | bitcasts, which are really no-ops here. This fixes slowdowns on MultiSource/Applications/aha and others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127031 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite and simplify o32 vaarg passing, no functional changes. Patch by Sasa ↵Bruno Cardoso Lopes2011-03-041-37/+19
| | | | | | Stankovic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127029 91177308-0d34-0410-b5e6-96231b3b80d8
* Be nice to Xcore and the XMOS assembler and avoid quoting section namesJoerg Sonnenberger2011-03-0417-48/+54
| | | | | | | that contain only letters, digits and the characters "_" and ".". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127028 91177308-0d34-0410-b5e6-96231b3b80d8
* Lowers block address. Currently asserts when relocation model is not PIC. ↵Bruno Cardoso Lopes2011-03-046-1/+66
| | | | | | Patch by Akira Hatanaka git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127027 91177308-0d34-0410-b5e6-96231b3b80d8
* raw_ostream: while it is generally desirable to do larger writes, it can lead toBenjamin Kramer2011-03-041-3/+7
| | | | | | | | | | inefficient file system buffering if the writes are not a multiple of the desired buffer size. Avoid this by limiting the large write to a multiple of the buffer size and copying the remainder into the buffer. Thanks to Dan for pointing this out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127026 91177308-0d34-0410-b5e6-96231b3b80d8
* Renumber slot indexes locally when possible.Jakob Stoklund Olesen2011-03-042-23/+36
| | | | | | | | | | | | | Initially, slot indexes are quad-spaced. There is room for inserting up to 3 new instructions between the original instructions. When we run out of indexes between two instructions, renumber locally using double-spaced indexes. The original quad-spacing means that we catch up quickly, and we only have to renumber a handful of instructions to get a monotonic sequence. This is much faster than renumbering the whole function as we did before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127023 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL for all. These tests are darwin specific anyway.Devang Patel2011-03-042-2/+2
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* Revert broken srem logic from r126991.Nick Lewycky2011-03-042-24/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127021 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an old copy-n-pasteBruno Cardoso Lopes2011-03-041-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127020 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable ARMGlobalMerge on darwin. The debugger is not yet able to extract ↵Devang Patel2011-03-043-1/+8
| | | | | | individual variable's info from merged global. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127019 91177308-0d34-0410-b5e6-96231b3b80d8
* Expands FCOS and FSIN nodes when type is f64.Bruno Cardoso Lopes2011-03-041-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127017 91177308-0d34-0410-b5e6-96231b3b80d8
* Number SlotIndexes uniformly without looking at the number of defs on each ↵Jakob Stoklund Olesen2011-03-041-24/+5
| | | | | | | | | | | | instruction. You can't really predict how many indexes will be needed from the number of defs, so let's keep it simple. Also remove an extra empty index that was inserted after each basic block. It was intended for live-out ranges, but it was never used that way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127014 91177308-0d34-0410-b5e6-96231b3b80d8
* Symbolize the default instruction distance.Jakob Stoklund Olesen2011-03-042-10/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127013 91177308-0d34-0410-b5e6-96231b3b80d8
* raw_ostream: If writing a string that is larger than the buffer, write it ↵Benjamin Kramer2011-03-041-9/+13
| | | | | | | | directly instead of doing many buffer-sized writes. This caps the number of write(2) calls per string to a maximum of 2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127010 91177308-0d34-0410-b5e6-96231b3b80d8
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