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* Add the getExprForFDESymbol method that responsible for computing theRafael Espindola2011-04-283-14/+17
| | | | | | expressions used in the FDE to refer to symbols. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130437 91177308-0d34-0410-b5e6-96231b3b80d8
* Beautify debug info probe output.Devang Patel2011-04-281-4/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130435 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MemoryBuffer::getBufferKind() to report whether a memory buffer uses ↵Ted Kremenek2011-04-281-0/+8
| | | | | | malloc'ed or mmap'ed memory. This is for performance analysis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130432 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove DbgDeclare only if all uses are converted.Devang Patel2011-04-281-1/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130431 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove bounded StringRef::compare() since nothing but Clang SA was using it ↵Lenny Maiorani2011-04-281-21/+0
| | | | | | and it is just as easy to use StringRef::substr() preceding StringRef::compare() to achieve the same thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130430 91177308-0d34-0410-b5e6-96231b3b80d8
* fast-isel sret calls, try 2. We actually do need to do something on x86-32. ↵Eli Friedman2011-04-281-2/+4
| | | | | | rdar://problem/9303592 . git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130429 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a comment.Benjamin Kramer2011-04-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130428 91177308-0d34-0410-b5e6-96231b3b80d8
* improve comment.Chris Lattner2011-04-281-1/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130426 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not lose line number info while eliminating tail call.Devang Patel2011-04-281-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130419 91177308-0d34-0410-b5e6-96231b3b80d8
* final step needed to resolve PR6627, which allows us to flatten the code down toChris Lattner2011-04-281-3/+7
| | | | | | | | | | | | | | a nice and tidy: %x1 = load i32* %0, align 4 %1 = icmp eq i32 %x1, 1179403647 br i1 %1, label %if.then, label %if.end instead of doing lots of loads and branches. May the FreeBSD bootloader long fit in its allocated space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130416 91177308-0d34-0410-b5e6-96231b3b80d8
* code cleanups only.Chris Lattner2011-04-281-36/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130414 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r130348; causing buildbot issues on x86-32.Eli Friedman2011-04-281-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130412 91177308-0d34-0410-b5e6-96231b3b80d8
* Add command line option to print debug info in human readable form as ↵Devang Patel2011-04-281-0/+55
| | | | | | comment in llvm IR output. This, i.e -enable-debug-info-comment, is very useful if you want to easily find out which optimization pass is losing line number information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130409 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r130340: Fix for PR9730.Andrew Trick2011-04-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130408 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: Merge "(trunc x) == C1 & (and x, CA) == C2" into a single and+icmp.Benjamin Kramer2011-04-281-0/+36
| | | | | | This happens when GVN widens loads. Part of PR6627. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130405 91177308-0d34-0410-b5e6-96231b3b80d8
* Be more layout aware here and swap the successor and branch conditionEric Christopher2011-04-281-1/+8
| | | | | | | if it means we get a fallthrough. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130404 91177308-0d34-0410-b5e6-96231b3b80d8
* centralize "marking for deletion" into a helper function. Pass GVN around to Chris Lattner2011-04-281-52/+56
| | | | | | | static functions instead of passing around tons of random ivars. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130403 91177308-0d34-0410-b5e6-96231b3b80d8
* Promote toErase to be an ivar of the GVN class.Chris Lattner2011-04-281-39/+35
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130401 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a getExprForPersonalitySymbol method to MCAsmInfo. Use it whenRafael Espindola2011-04-286-3/+64
| | | | | | converting the symbol passed to .cfi_personality into bytes is the file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130400 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark the EH symbol global or weak if the corresponding function is.Rafael Espindola2011-04-283-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130397 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the last -Wnon-pod-memset I'm seeing. This is benign, but appearsChandler Carruth2011-04-281-1/+1
| | | | | | | | | | | | | a bit more sinister as the memset doesn't do what the constructor does. There seems to be a cleaner solution than a cast here though, instead we can point the memset destination into the union its actually trying to clear. An alternative is to point to the Untyped member of this union. Review appreciated, and if that is cleaner I'm happy to switch. All of these should be functionally equivalent to the original code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130395 91177308-0d34-0410-b5e6-96231b3b80d8
* teach GVN to widen integer loads when they are overaligned, when doing an Chris Lattner2011-04-282-30/+154
| | | | | | | | | | | | | wider load would allow elimination of subsequent loads, and when the wider load is still a native integer type. This eliminates a ton of loads on various benchmarks involving struct fields, though it is somewhat hobbled by clang not being very aggressive about field alignment. This is yet another step along the way towards resolving PR6627. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130390 91177308-0d34-0410-b5e6-96231b3b80d8
* Let the immediate leaf pattern take transforms and switch the signedEric Christopher2011-04-283-30/+30
| | | | | | | | | immediate patterns in arm to using the pattern. Handles rdar://9299434 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130386 91177308-0d34-0410-b5e6-96231b3b80d8
* move PR9803 to this readme.Chris Lattner2011-04-281-0/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130385 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a small temporary hack for producing identical eh_frame sections on OS X.Rafael Espindola2011-04-282-6/+14
| | | | | | | This removes one of the main advantages of moving eh_frame to MC, but makes the transition a lot easier to debug (run md5). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130379 91177308-0d34-0410-b5e6-96231b3b80d8
* Produce the EH_frame# symbols if needed.Rafael Espindola2011-04-281-2/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130378 91177308-0d34-0410-b5e6-96231b3b80d8
* Forward isFunctionEHFrameSymbolPrivate. If it is false, produce the foo.ehRafael Espindola2011-04-281-0/+7
| | | | | | symbols. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130375 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach dwarf writer to handle complex address expression for .debug_loc entries.Devang Patel2011-04-286-27/+129
| | | | | | | | This fixes clang generated blocks' variables' debug info. Radar 9279956. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130373 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a silly mistake in r130338.Eli Friedman2011-04-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130360 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: support for select_cc and fixes for setccJustin Holewinski2011-04-282-1/+41
| | | | | | | | | | - expansion of SELECT_CC into SETCC - force SETCC result type to i1 - custom selection for handling i1 using SETCC Patch by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130358 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: support for selectJustin Holewinski2011-04-281-0/+15
| | | | | | | | | - selection of SELP instruction - new selp.ll test Patch by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130357 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: mov fix and rounding correction for cvtJustin Holewinski2011-04-281-18/+18
| | | | | | | | | | - fix typo in MOV - correct fp rounding on CVT - new cvt.ll test Patch by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130356 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: support for fnegJustin Holewinski2011-04-281-0/+23
| | | | | | | | | - selection of FNEG instruction - new fneg.ll test Patch by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130355 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: support for zext loads and trunc storesJustin Holewinski2011-04-281-1/+13
| | | | | | | | - expansion of EXTLOAD and TRUNCSTORE instructions Patch by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130354 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: support for bitwise operations on predicatesJustin Holewinski2011-04-281-0/+8
| | | | | | | | | - selection of bitwise preds (AND, OR, XOR) - new bitwise.ll test Patch by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130353 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: patch to AsmPrinterJustin Holewinski2011-04-281-22/+47
| | | | | | | | | - immediate value cast as long not int - handles initializer for constant array Patch by Dan Bailey git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130352 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting r130340 in the unlikely event that it's responsible for a llvm-gcc ↵Andrew Trick2011-04-281-1/+1
| | | | | | stage2 compiler error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130350 91177308-0d34-0410-b5e6-96231b3b80d8
* fast-isel sret. We actually don't need to do anything special on x86. :) ↵Eli Friedman2011-04-271-1/+0
| | | | | | rdar://problem/9303592 . git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130348 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary argument.Rafael Espindola2011-04-275-8/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130343 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename getPersonalityPICSymbol to getCFIPersonalitySymbol, document it, andRafael Espindola2011-04-275-21/+60
| | | | | | | | | | | | | | | | | | give it a bit more responsibility. Also implement it for MachO. If hacked to use cfi, 32 bit MachO will produce .cfi_personality 155, L___gxx_personality_v0$non_lazy_ptr and 64 bit will produce .cfi_presonality ___gxx_personality_v0 The general idea is that .cfi_personality gets passed the final symbol. It is up to codegen to produce it if using indirect representation (like 32 bit MachO), but it is up to MC to decide which relocations to create. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130341 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixes PR9730: indvars: An asserting value handle still pointed to this valueAndrew Trick2011-04-271-1/+1
| | | | | | | | | | Modified LinearFunctionTestReplace to push the condition on the dead list instead of eagerly deleting it. This can cause unnecessary IV rewrites, which should have no effect on codegen and will not be an issue once we stop generating canonical IVs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130340 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify handling of variables with complex address (i.e. blocks variables)Devang Patel2011-04-273-44/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130339 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the fast-isel code for literal 0.0 a bit shorter/faster, since 0.0 is ↵Eli Friedman2011-04-272-2/+47
| | | | | | common. rdar://problem/9303592 . git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130338 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused function.Eli Friedman2011-04-271-47/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130337 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indentation.Rafael Espindola2011-04-271-21/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130331 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in the case that there is no add or subtract symbol and the offsetKevin Enderby2011-04-271-2/+6
| | | | | | | value is zero so it does not add a NULL expr operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130330 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach BasicAA about arm.neon.vld1 and vst1.Dan Gohman2011-04-271-0/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130327 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r130178. It turned out to be not the optimal path to emit complex ↵Devang Patel2011-04-273-12/+8
| | | | | | location expressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130326 91177308-0d34-0410-b5e6-96231b3b80d8
* If converter was being too cute. It look for root BBs (which don't haveEvan Cheng2011-04-271-18/+3
| | | | | | | | | | | successors) and use inverse depth first search to traverse the BBs. However that doesn't work when the CFG has infinite loops. Simply do a linear traversal of all BBs work just fine. rdar://9344645 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130324 91177308-0d34-0410-b5e6-96231b3b80d8
* When analyzing functions known to only access argument pointees,Dan Gohman2011-04-271-9/+28
| | | | | | | | | | only check arguments with pointer types. Update the documentation of IntrReadArgMem reflect this. While here, add support for TBAA tags on intrinsic calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130317 91177308-0d34-0410-b5e6-96231b3b80d8
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