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* strdup needs <cstring>. This fixes a build error with g++-4.3.Edwin Török2008-04-041-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49218 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide an initial cut at exposing JIT compiled symbols to performanceChris Lattner2008-04-041-1/+139
| | | | | | | | tools. This is currently only enabled on the mac, but could easily be supported by other hosts that are interested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49207 91177308-0d34-0410-b5e6-96231b3b80d8
* Make ExecutionEngine::updateGlobalMapping return the old mapping.Chris Lattner2008-04-041-5/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49206 91177308-0d34-0410-b5e6-96231b3b80d8
* Undo PHI elimination copy placement patch. This causes coalescing ↵Evan Cheng2008-04-041-30/+1
| | | | | | (performace) issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49198 91177308-0d34-0410-b5e6-96231b3b80d8
* This is done.Evan Cheng2008-04-041-4/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49197 91177308-0d34-0410-b5e6-96231b3b80d8
* if some functions don't have debug info, we were outputing the same label at ↵Andrew Lenharth2008-04-031-2/+5
| | | | | | the start of each of those functions. This makes assemblers unhappy git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49176 91177308-0d34-0410-b5e6-96231b3b80d8
* - Turn copies of implicit_def into implicit_def instructions.Evan Cheng2008-04-032-6/+71
| | | | | | | - Be smarter about coalescing copies from implicit_def. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49168 91177308-0d34-0410-b5e6-96231b3b80d8
* Special handling of zero-sized live intervals.Evan Cheng2008-04-031-5/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49167 91177308-0d34-0410-b5e6-96231b3b80d8
* - Treat a live range defined by an implicit_def as a zero-sized one.Evan Cheng2008-04-031-2/+28
| | | | | | | - Eliminate an implicit_def when it's being spilled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49166 91177308-0d34-0410-b5e6-96231b3b80d8
* - PHI elimination also eliminates implicit_def that fits into a PHI node ↵Evan Cheng2008-04-031-42/+84
| | | | | | | | | rather than copying it. - Be (slightly) smarter about where to place the copies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49165 91177308-0d34-0410-b5e6-96231b3b80d8
* Start of a series of patches related to implicit_def.Evan Cheng2008-04-031-37/+70
| | | | | | | There is no point in creating a long live range defined by an implicit_def. Scheduler now duplicates implicit_def instruction for each of its uses. Therefore, if an implicit_def node has multiple uses, it will become a number of very short live ranges, rather than a long one. This will make coalescer's job easier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49164 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-implemented Path::createDirectoryOnDisk (for Unix).Ted Kremenek2008-04-031-32/+39
| | | | | | | | | | | | | | | | | | | | | | | | | This method allows one to create a directory, and optionally create all parent directories that do not exist. The original implementation would require that *all* directories along a path are writable by the user, including directories that already exist. For example, suppose we wanted to create the directory "/tmp/foo/bar", and the directory "/tmp" already exists, but not "/tmp/foo". Since "/tmp" is writable by all users, the original implementation would work, and create "/tmp/foo", followed by "/tmp/bar". A problem occurred, however if one wanted to created the directory "/Users/myuser/bar" (or equivalently "/home/myuser/bar"), and "/Users/myuser" already existed and is writable by the current user. The directory "/User/myuser" is writable by the user, but "/User" is not. The original implementation of createDirectoryOnDisk would return with failure since "/User" is not writable, even though "/User/mysuser" is writable. The new implementation works by recursively creating parents as needed, and thus doesn't need to check the permissions on every directory in a path. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49162 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-enable SSE4.Evan Cheng2008-04-031-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49158 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix x86-64 encoding bug. REX prefix must always follow 0x0F prefix. For ↵Evan Cheng2008-04-031-10/+13
| | | | | | example, extractps in 64bit mode: 66 REX 0F 3A 17, not 66 0F 3A REX 17. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49157 91177308-0d34-0410-b5e6-96231b3b80d8
* CosmeticEvan Cheng2008-04-031-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49156 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily disabling SSE4 until we fix the encoding issues.Evan Cheng2008-04-031-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49129 91177308-0d34-0410-b5e6-96231b3b80d8
* Backing out 48222 temporarily.Evan Cheng2008-04-039-145/+116
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49124 91177308-0d34-0410-b5e6-96231b3b80d8
* Suppress the 128-bit integer typedef on 32-bit targets, becauseDan Gohman2008-04-021-6/+12
| | | | | | | it causes compile errors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49122 91177308-0d34-0410-b5e6-96231b3b80d8
* Make EH work with unnamed functions. Reenable runningDale Johannesen2008-04-021-2/+4
| | | | | | | | StripSymbols when EH is on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49110 91177308-0d34-0410-b5e6-96231b3b80d8
* Partial CBackend support for 128-bit integers. This is neededDan Gohman2008-04-021-2/+9
| | | | | | | | now that llvm-gcc is lowering appropriately-sized struct returns to i128 on x86-64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49109 91177308-0d34-0410-b5e6-96231b3b80d8
* Iterators folloring a SmallVector erased element are invalidated soDavid Greene2008-04-021-6/+4
| | | | | | | | | don't access cached iterators from after the erased element. Re-apply 49056 with SmallVector support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49106 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that I am told MachineRegisterInfo also tracks physical register uses / ↵Evan Cheng2008-04-021-24/+64
| | | | | | defs, I can do away with the horribleness I introduced a while back. It's impossible to detect if there is any use of a physical register below an instruction (and before any def of the register) with some cheap book keeping. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49105 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove #include<map> from LiveVariables.h. Not referenced.Evan Cheng2008-04-022-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49099 91177308-0d34-0410-b5e6-96231b3b80d8
* Cosmetic changes per EH patch review feedback.Dale Johannesen2008-04-023-8/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49096 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new CC lowering rule: provide a list of registers, which can be 'shadowed',Anton Korobeynikov2008-04-022-6/+21
| | | | | | | | when some another register is used for argument passing. Currently is used on Win64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49079 91177308-0d34-0410-b5e6-96231b3b80d8
* In some situations, we need to check for local interferences between the PHIOwen Anderson2008-04-021-2/+11
| | | | | | | node and its inputs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49070 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly mark a valno that was previous defined by a PHI node as having anOwen Anderson2008-04-021-4/+7
| | | | | | | unknown defining inst after PHI elimination. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49069 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommitting EH patch; this should answer most of theDale Johannesen2008-04-029-100/+114
| | | | | | | | | | | | | | | | | review feedback. -enable-eh is still accepted but doesn't do anything. EH intrinsics use Dwarf EH if the target supports that, and are handled by LowerInvoke otherwise. The separation of the EH table and frame move data is, I think, logically figured out, but either one still causes full EH info to be generated (not sure how to split the metadata correctly). MachineModuleInfo::needsFrameInfo is no longer used and is removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49064 91177308-0d34-0410-b5e6-96231b3b80d8
* 1. Drop default inline threshold back down to 200.Evan Cheng2008-04-012-10/+15
| | | | | | | | 2. Do not use # of basic blocks as part of the cost computation since it doesn't really figure into function size. 3. More aggressively inline function with vector code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49061 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting 49056 due to the build being broken.Tanya Lattner2008-04-011-4/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49060 91177308-0d34-0410-b5e6-96231b3b80d8
* ReMat of load from stub in pic mode extends the life of pic base. Currently ↵Evan Cheng2008-04-011-0/+6
| | | | | | spiller doesn't do a good job of estimating the impact. Disable for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49059 91177308-0d34-0410-b5e6-96231b3b80d8
* Iterators folloring a SmallVector erased element are invalidated soDavid Greene2008-04-011-6/+4
| | | | | | | don't access cached iterators from after the erased element. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49056 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix compilation errors on MSVC. Patch by Argiris Kirtzidis!Bill Wendling2008-04-011-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49055 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary and non-deterministic checking code. Re-enable remat of ↵Evan Cheng2008-04-011-11/+0
| | | | | | load from gv stub. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49054 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-materialization is for uses only.Evan Cheng2008-04-011-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49053 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use __bzero for memset if the second argument isn't zero.Dan Gohman2008-04-011-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49050 91177308-0d34-0410-b5e6-96231b3b80d8
* Speculatively micro-optimize memory-zeroing calls on Darwin 10.Dan Gohman2008-04-013-5/+35
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49048 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 49006 for the moment.Dale Johannesen2008-04-018-49/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49046 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't dereference MBB->end().Owen Anderson2008-04-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49043 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the MemoryBuffer::getFile* methods to take just a pointer to theChris Lattner2008-04-018-31/+20
| | | | | | | | | start of a filename, not a filename+length. All clients can produce a null terminated name, and the system api's require null terminated strings anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
* Disabling remat of load from gv stub (temporarily) again to fix llvmgcc ↵Evan Cheng2008-04-011-0/+3
| | | | | | bootstrap miscompare. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49037 91177308-0d34-0410-b5e6-96231b3b80d8
* add some #includes.Chris Lattner2008-04-011-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49036 91177308-0d34-0410-b5e6-96231b3b80d8
* MappedFile is dead, remove it.Chris Lattner2008-04-013-235/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49035 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement Path::MapInFilePages/UnMapFilePages on unix, which Chris Lattner2008-04-012-7/+11
| | | | | | | provides fast MappedFile::getFile for large files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49034 91177308-0d34-0410-b5e6-96231b3b80d8
* Reimplement MemoryBuffer::getFile with three enhancements:Chris Lattner2008-04-011-85/+64
| | | | | | | | | | | | | | | | | | | | | | | 1) stop using MappedFile. 2) if profitable use the sys::path::MapInFilePages api to read the file. 3) otherwise fallback to read. When sys::path::MapInFilePages is implemented, this provides several benefits: #1: this avoids fragmenting memory for small files. #2: this avoids extraneous stat calls when the file size is known. #3: this only keeps the file descriptor open while reading the file, not for the duration of the lifetime of the memory buffer. This fixes a serious clang FD 'leak' problem. I believe that this will work on a win32 machine, but I don't have one to test on. I'd appreciate it if someone could check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49031 91177308-0d34-0410-b5e6-96231b3b80d8
* Stub out some sys::Path::MapInFilePages/UnMapFilePages methods.Chris Lattner2008-04-012-0/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49030 91177308-0d34-0410-b5e6-96231b3b80d8
* change the archive stuff to use MemoryBuffer instead of mappedfile.Chris Lattner2008-04-013-47/+34
| | | | | | | | MemoryBuffer is higher level and more closely matches the model needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49029 91177308-0d34-0410-b5e6-96231b3b80d8
* rewrite SourceFile to be in terms of MemoryBuffer, not MappedFile.Chris Lattner2008-04-011-13/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49027 91177308-0d34-0410-b5e6-96231b3b80d8
* Make MappedFile::map return a const correct pointer, don't leak address ↵Chris Lattner2008-04-012-2/+3
| | | | | | space on Unix platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49026 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the MappedFile::charBase member, rename base -> getBase() andChris Lattner2008-04-012-7/+8
| | | | | | | make getBase() return a const-correct pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49025 91177308-0d34-0410-b5e6-96231b3b80d8
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