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* LLVMBuild: Introduce a common section which currently has a list of theDaniel Dunbar2011-12-12
| | | | | | | | | | | subdirectories to traverse into. - Originally I wanted to avoid this and just autoscan, but this has one key flaw in that new subdirectories can not automatically trigger a rerun of the llvm-build tool. This is particularly a pain when switching back and forth between trees where one has added a subdirectory, as the dependencies will tend to be wrong. This will also eliminates FIXME implicitly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146436 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit B (unconditional branch) when -relocation-model=pic and J (jump) whenAkira Hatanaka2011-12-12
| | | | | | | | -relocation-model=static. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146432 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indentation.Akira Hatanaka2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146431 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed register allocator splitting a live range on a spilling variable.Pete Cooper2011-12-12
| | | | | | | | If we create new intervals for a variable that is being spilled, then those new intervals are not guaranteed to also spill. This means that anything reading from the original spilling value might not get the correct value if spills were missed. Fixes <rdar://problem/10546864> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146428 91177308-0d34-0410-b5e6-96231b3b80d8
* fix warningTony Linthicum2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146420 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement 'e' and 'f' modifiers for Neon inline asm. <rdar://problem/10551006>Bob Wilson2011-12-12
| | | | | | | | | These modifiers simply select either the low or high D subregister of a Neon Q register. I've also removed the unimplemented 'p' modifier, which turns out to be a bit different than the comment here suggests and as far as I can tell was only intended for internal use in Apple's version of gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146417 91177308-0d34-0410-b5e6-96231b3b80d8
* Hexagon backend supportTony Linthicum2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146412 91177308-0d34-0410-b5e6-96231b3b80d8
* Only replace fwrite with fputc, if the return value is unused.Joerg Sonnenberger2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146411 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMBuild: Remove trailing newline, which irked me.Daniel Dunbar2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146409 91177308-0d34-0410-b5e6-96231b3b80d8
* When computing reverse-CFG reverse-post-order, skip backedges, asDan Gohman2011-12-12
| | | | | | | | | | | | | | detected in the forward-CFG DFS. This prevents the reverse-CFG from visiting blocks inside loops after blocks that dominate them in the case where loops have multiple exits. No testcase, because this fixes a bug which in practice only shows up in a full optimizer run, due to the use-list order. This fixes rdar://10422791 and others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146408 91177308-0d34-0410-b5e6-96231b3b80d8
* XOP instructions and encoding tests.Jan Sjödin2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146407 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a postOffset() alignment argument.Jakob Stoklund Olesen2011-12-12
| | | | | | | This computes the offset of the layout sucessor block, considering its alignment as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146401 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Jakob Stoklund Olesen2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146400 91177308-0d34-0410-b5e6-96231b3b80d8
* XOP encoding bits and logic.Jan Sjödin2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146397 91177308-0d34-0410-b5e6-96231b3b80d8
* Also set the proper alignment on inner islands and the function itself.Jakob Stoklund Olesen2011-12-12
| | | | | | | | | Downgrade the alignment of the initial constant island when constant pool entries are moved elsewhere. This is all gated by -arm-align-constant-islands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146391 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a TODO comment.Dan Gohman2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146389 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a copy+pasto in a comment.Dan Gohman2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146385 91177308-0d34-0410-b5e6-96231b3b80d8
* Use getArgOperand instead of getOperand on a call.Dan Gohman2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146384 91177308-0d34-0410-b5e6-96231b3b80d8
* Inline SetSeqToRelease into its only caller, since it's more clear that way.Dan Gohman2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146383 91177308-0d34-0410-b5e6-96231b3b80d8
* Make MF a class member instead of passing it around everywhere.Jakob Stoklund Olesen2011-12-12
| | | | | | | | Also add an MCP member pointing to the machine constant pool. No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146382 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix omitted break statements in a switch.Dan Gohman2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146380 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan] use .preinit_array only on linuxKostya Serebryany2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146379 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r146363 to allow buildbots to make forward progress.Chad Rosier2011-12-12
| | | | | | | | Original commit message: Support/FileSystem: Implement canonicalize. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146378 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for gnu_indirect_function.Roman Divacky2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146377 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a -arm-align-constant-islands flag, default off.Jakob Stoklund Olesen2011-12-12
| | | | | | | | | | | | Order constant pool entries by descending alignment in the initial island to ensure packing and correct alignment. When the command line flag is set, also align the basic block containing the constant pool entries. This is only a partial implementation of constant island alignment. More to come. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146375 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't rely in there being one argument before we've actually identifiedChandler Carruth2011-12-12
| | | | | | | a function to upgrade. Also, simplify the code a bit at the expense of one line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146368 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/FileSystem: Implement bool equivalent(file_status A, file_status B);Michael J. Spencer2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146364 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/FileSystem: Implement canonicalize.Michael J. Spencer2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146363 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/Windows: Cleanup scoped handles.Michael J. Spencer2011-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146362 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the verifier to reject all non-constant arguments to the secondChandler Carruth2011-12-12
| | | | | | argument of the cttz and ctlz intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146360 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch llvm.cttz and llvm.ctlz to accept a second i1 parameter whichChandler Carruth2011-12-12
| | | | | | | | | | | | | | | | | | | | indicates whether the intrinsic has a defined result for a first argument equal to zero. This will eventually allow these intrinsics to accurately model the semantics of GCC's __builtin_ctz and __builtin_clz and the X86 instructions (prior to AVX) which implement them. This patch merely sets the stage by extending the signature of these intrinsics and establishing auto-upgrade logic so that the old spelling still works both in IR and in bitcode. The upgrade logic preserves the existing (inefficient) semantics. This patch should not change any behavior. CodeGen isn't updated because it can use the existing semantics regardless of the flag's value. Note that this will be followed by API updates to Clang and DragonEgg. Reviewed by Nick Lewycky! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146357 91177308-0d34-0410-b5e6-96231b3b80d8
* ExecutionEngine: refactor interfaceDylan Noblesmith2011-12-12
| | | | | | | | The OptLevel is now redundant with the TargetMachine*. And selectTarget() isn't really JIT-specific and could probably get refactored into one of the lower level libraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146355 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some remants of the old palign pattern fragment that were still ↵Craig Topper2011-12-11
| | | | | | hanging around. Also remove a cast from inside getShuffleVPERM2X128Immediate and getShuffleVPERMILPImmediate since the only caller already had done the cast. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146344 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed bug 9905: Failure in code selection for llvm intrinsics sqrt/exp (fix ↵Stepan Dyatkovskiy2011-12-11
| | | | | | for FSQRT, FSIN, FCOS, FPOWI, FPOW, FLOG, FLOG2, FLOG10, FEXP, FEXP2). Third attempt: simplified checks in test for armv7-apple-darwin11. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146341 91177308-0d34-0410-b5e6-96231b3b80d8
* Mips: Don't create a dangling IR function just to get the address of a symbol.Benjamin Kramer2011-12-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146340 91177308-0d34-0410-b5e6-96231b3b80d8
* Also remove unnecessary includes from this file, which was supposed to be partNick Lewycky2011-12-11
| | | | | | | of r146334! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146338 91177308-0d34-0410-b5e6-96231b3b80d8
* Minimize #include's and forward-declares in Target.Nick Lewycky2011-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146335 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor the implementation of the TargetOptions out of TargetMachine, takingNick Lewycky2011-12-10
| | | | | | | the only parts of TM that depends on CodeGen headers with it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146334 91177308-0d34-0410-b5e6-96231b3b80d8
* [fast-isel] SelectInsertValue seems to be causing miscompiles for ARM. ↵Chad Rosier2011-12-10
| | | | | | Disable while I investigate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146331 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r146322 to appease buildbots. Original commit message:Chad Rosier2011-12-10
| | | | | | | | | Fixed bug 9905: Failure in code selection for llvm intrinsics sqrt/exp (fix for FSQRT, FSIN, FCOS, FPOWI, FPOW, FLOG, FLOG2, FLOG10, FEXP, FEXP2). Second attempt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146328 91177308-0d34-0410-b5e6-96231b3b80d8
* Typo.Chad Rosier2011-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146327 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed bug 9905: Failure in code selection for llvm intrinsics sqrt/exp (fix ↵Stepan Dyatkovskiy2011-12-10
| | | | | | for FSQRT, FSIN, FCOS, FPOWI, FPOW, FLOG, FLOG2, FLOG10, FEXP, FEXP2). Second attempt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146322 91177308-0d34-0410-b5e6-96231b3b80d8
* Make CR spill and restore use a reserved register. These operations cannot ↵Hal Finkel2011-12-10
| | | | | | use the register scavenger because the scavenger can only scavenge one register and frame-index elimination may have already grabbed it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146318 91177308-0d34-0410-b5e6-96231b3b80d8
* Try to align the point where a large basic block is split.Jakob Stoklund Olesen2011-12-10
| | | | | | | | | | | | | | | | The split point is picked such that the newly created water has the same alignment as the function. This makes the island suitable for constant pool entries with potentially higher alignment. This also fixes an issue where the basic block was split one instruction too late, causing nonconvergence of the algorithm. <rdar://problem/10550705> There is still an issue with correctly packing differently aligned entries in the island. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146314 91177308-0d34-0410-b5e6-96231b3b80d8
* More debug output formatting.Jakob Stoklund Olesen2011-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146313 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle expressions of the form _GLOBAL_OFFSET_TABLE_-symbol the same way gasRafael Espindola2011-12-10
| | | | | | | | does. The _GLOBAL_OFFSET_TABLE_ is still magical in that we get a R_386_GOTPC, but it doesn't change the immediate in the same way as when the expression has no right hand side symbol. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146311 91177308-0d34-0410-b5e6-96231b3b80d8
* LSR: ignore strides in outer loops.Andrew Trick2011-12-10
| | | | | | | | | Since we're not rewriting IVs in other loops, there's not much reason to consider their stride when generating formulae. This should reduce the number of useless formulas considered by LSR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146302 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM add some more pre-UAL VFP mnemonics for convenience when porting old code.Jim Grosbach2011-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146300 91177308-0d34-0410-b5e6-96231b3b80d8
* Splats can contain undef's; make sure to handle them correctly. PR11526.Eli Friedman2011-12-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146299 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM add some pre-UAL VFP mnemonics for convenience when porting old code.Jim Grosbach2011-12-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146296 91177308-0d34-0410-b5e6-96231b3b80d8
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