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* Followup to 132316; accept arbitrary constants, add with a constant,Stuart Hastings2011-05-31
| | | | | | | | sub with a non-constant. Fix comments, enlarge test case. rdar://problem/6501862 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132348 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore intrinsic for crc8.Richard Osborne2011-05-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132340 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore intrinsic for crc32.Richard Osborne2011-05-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132336 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert test to FileCheck.Richard Osborne2011-05-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132335 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix ssat and ssat16 encodings for ARM and Thumb. The bit position valueBruno Cardoso Lopes2011-05-31
| | | | | | | must be encoded decremented by one. Only add encoding tests for ssat16 because ssat can't be parsed yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132324 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch implements atomic intrinsics atomic.load.add (sub,and,or,xor,Bruno Cardoso Lopes2011-05-31
| | | | | | | | | | nand), atomic.swap and atomic.cmp.swap, all in i8, i16 and i32 versions. The intrinsics are implemented by creating pseudo-instructions, which are then expanded in the method MipsTargetLowering::EmitInstrWithCustomInserter. Patch by Sasa Stankovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132323 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch implements the thread local storage. Implemented are GeneralBruno Cardoso Lopes2011-05-31
| | | | | | | | Dynamic, Initial Exec and Local Exec TLS models. Patch by Sasa Stankovic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132322 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the dwarf->llvm mapping to print register names in the cfiRafael Espindola2011-05-30
| | | | | | | | directives. Fixes PR9826. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132317 91177308-0d34-0410-b5e6-96231b3b80d8
* (1 - X) * (-2) -> (x - 1) * 2, for all positive nonzero powers of 2Stuart Hastings2011-05-30
| | | | | | | rdar://problem/6501862 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132316 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the test case for phis in the outer landing pad during the inliner'sJohn McCall2011-05-30
| | | | | | | | forwarding of eh.resume that I promised yesterday. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132307 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR10046 by updating LiveVariables kill info when splitting live ranges.Jakob Stoklund Olesen2011-05-29
| | | | | | | | | | | | | This only affects targets like Mips where branch instructions may kill virtual registers. Most other targets branch on flag values, so virtual registers are not involved. The problem is that MachineBasicBlock::updateTerminator deletes branches and inserts new ones while LiveVariables keeps a list of pointers to instructions that kill virtual registers. That list wasn't properly updated in MBB::SplitCriticalEdge. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132298 91177308-0d34-0410-b5e6-96231b3b80d8
* On Darwin ARM, set the UNWIND_RESUME libcall to _Unwind_SjLj_Resume.John McCall2011-05-29
| | | | | | | | | | | This is important for the correct lowering of unwind instructions (which doesn't matter at all) and llvm.eh.resume calls (which does). Take 2, now with more basic competence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132295 91177308-0d34-0410-b5e6-96231b3b80d8
* I didn't mean to commit these residues of a personal project.John McCall2011-05-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132293 91177308-0d34-0410-b5e6-96231b3b80d8
* Add testcase for r132290, to check for the crasher caught by the buildbotsNick Lewycky2011-05-29
| | | | | | | doing llvm-gcc selfhost (or cross). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132292 91177308-0d34-0410-b5e6-96231b3b80d8
* On Darwin ARM, set the UNWIND_RESUME libcall to _Unwind_SjLj_Resume.John McCall2011-05-29
| | | | | | | | | This is important for the correct lowering of unwind instructions (which doesn't matter at all) and llvm.eh.resume calls (which does). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132291 91177308-0d34-0410-b5e6-96231b3b80d8
* Obey the isVolatile bit on memory intrinsics when analyzing uses of a globalNick Lewycky2011-05-29
| | | | | | | | | | variable. Noticed by inspection. Simulate memset in EvaluateFunction where the target of the memset and the value we're setting are both the null value. Fixes PR10047! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132288 91177308-0d34-0410-b5e6-96231b3b80d8
* Use %rbp on a 64 bit test.Rafael Espindola2011-05-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132279 91177308-0d34-0410-b5e6-96231b3b80d8
* Move ARM specific test into the ARM subdir.Benjamin Kramer2011-05-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132255 91177308-0d34-0410-b5e6-96231b3b80d8
* ConstantFoldInstOperands doesn't like compares, hand it off to instsimplify ↵Benjamin Kramer2011-05-28
| | | | | | | | instead. Fixes PR10040. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132254 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement and document the llvm.eh.resume intrinsic, which isJohn McCall2011-05-28
| | | | | | | | | | | | | | | | | | | transformed by the inliner into a branch to the enclosing landing pad (when inlined through an invoke). If not so optimized, it is lowered DWARF EH preparation into a call to _Unwind_Resume (or _Unwind_SjLj_Resume as appropriate). Its chief advantage is that it takes both the exception value and the selector value as arguments, meaning that there is zero effort in recovering these; however, the frontend is required to pass these down, which is not actually particularly difficult. Also document the behavior of landing pads a bit better, and make it clearer that it's okay that personality functions don't always land at landing pads. This is just a fact of life. Don't write optimizations that rely on pushing things over an unwind edge. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132253 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for ARM ldrexd/strexd intrinsics. They both use i32 register pairsBruno Cardoso Lopes2011-05-28
| | | | | | | | to load/store i64 values. Since there's no current support to explicitly declare such restrictions, implement it by using specific hardcoded register pairs during isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132248 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement the 'M' output modifier for arm inline asm. This is fairlyEric Christopher2011-05-28
| | | | | | | | | | register allocation dependent and will occasionally break. WIP in the register allocator to model paired/etc registers. rdar://9119939 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132242 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing newlines.Chad Rosier2011-05-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132241 91177308-0d34-0410-b5e6-96231b3b80d8
* Define a wrapper node for target constant nodes (tglobaladdr, etc.).Akira Hatanaka2011-05-28
| | | | | | | Need this to prevent emitting illegal conditional move instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132240 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix test cases that were previously using grep to use FileCheckChad Rosier2011-05-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132237 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the remaining atomic intrinsics to use the right register classes on Thumb2,Cameron Zwarich2011-05-27
| | | | | | and add some basic tests for them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132235 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM asm parser wasn't able to parse a "mov" instruction while in ThumbBruno Cardoso Lopes2011-05-27
| | | | | | | mode (only the "mov.w" variant). Now, when parsing "mov" in thumb mode, default to the Thumb 1 versions/encodings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132233 91177308-0d34-0410-b5e6-96231b3b80d8
* Force a triple to make this test pass on Darwin.Eli Friedman2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132228 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a GR32_NOREX_NOSP register class and fix a bug where ↵Cameron Zwarich2011-05-27
| | | | | | | | | getMatchingSuperRegClass() was saying that the matching superregister class of GR32_NOREX in GR64_NOREX_NOSP is GR64_NOREX, which drops the NOSP constraint. This fixes PR10032. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132225 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a regression I recently introduced by removing DwarfRegNum ofRafael Espindola2011-05-27
| | | | | | | | | | subregisters: When a value is in a subregister, at least report the location as being the superregister. We should extend the .td files to encode the bit range so that we can produce a DW_OP_bit_piece. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132224 91177308-0d34-0410-b5e6-96231b3b80d8
* Make size computation less brittle.Rafael Espindola2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132222 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the suffix to the Win64 EH data sections' names if given. Add a test forCharles Davis2011-05-27
| | | | | | | this. XFAIL'd, because the COFF AsmParser can't handle .section yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132220 91177308-0d34-0410-b5e6-96231b3b80d8
* Typo is test caseChad Rosier2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132214 91177308-0d34-0410-b5e6-96231b3b80d8
* Make room for register allocation to improve.Jakob Stoklund Olesen2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132213 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use movw / movt for iOS static codegen for now to workaround some ↵Evan Cheng2011-05-27
| | | | | | tools issues. rdar://9514789 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132211 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete a test that is no longer relevant.Jakob Stoklund Olesen2011-05-27
| | | | | | | | | | | | | | | | | | | According to PR2536, the old spiller had trouble with the IMPLICIT_DEF in this code: %reg1028<def> = MOV16rm %reg0, 1, %reg0, <ga:g_5>, Mem:LD(2,2) [g_5 + 0] %reg1039<def> = IMPLICIT_DEF %reg1038<def> = INSERT_SUBREG %reg1039, %reg1028, 2 %reg1025<def> = AND32ri %reg1038, 65534, %%EFLAGS<imp-def> However, today we emit a zero-extending load instead: %vreg10<def> = MOVZX32rm16 %noreg, 1, %noreg, <ga:@g_5>, %noreg; %mem:LD2[@g_5] GR32:%vreg10 %vreg0<def> = AND32ri %vreg10, 65534, %%EFLAGS<imp-def,dead>; %GR32:%vreg0,%vreg10 This makes the test pointless since it no longer creates the spiller hazard. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132210 91177308-0d34-0410-b5e6-96231b3b80d8
* CRC32 intrinsics were renamed at revision 132163. This submissionChad Rosier2011-05-27
| | | | | | | | | fixes aliasing issues with the old and new names as well as adds test cases for the auto-upgrader. Fixes rdar 9472944. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132207 91177308-0d34-0410-b5e6-96231b3b80d8
* Add iOS testEvan Cheng2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132203 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the inliner to maintain the current de facto invoke semantics:John McCall2011-05-27
| | | | | | | | | | | | | | | | - the selector for the landing pad must provide all available information about the handlers, filters, and cleanups within that landing pad - calls to _Unwind_Resume must be converted to branches to the enclosing lpad so as to avoid re-entering the unwinder when the lpad claimed it was going to handle the exception in some way This is quite specific to libUnwind-based unwinding. In an effort to not interfere too badly with other unwinders, and with existing hacks in frontends, this only triggers on _Unwind_Resume (not _Unwind_Resume_or_Rethrow) and does nothing with selectors if it cannot find a selector call for either lpad. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132200 91177308-0d34-0410-b5e6-96231b3b80d8
* And fix the test in r132194.Eli Friedman2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132196 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a silly mistake (which trips over an assertion) in r132099. rdar://9515076Eli Friedman2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132194 91177308-0d34-0410-b5e6-96231b3b80d8
* Select DW_AT_const_value size based on variable size.Devang Patel2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132193 91177308-0d34-0410-b5e6-96231b3b80d8
* Assorted fixes for Win64 EH unwind info emission:Charles Davis2011-05-27
| | | | | | | | | | | - Flip order of bitfields. This gets our output matching GAS. - Handle case where the end of the prolog wasn't specified. - If the resulting unwind info struct is less than 8 bytes, pad to 8 bytes. Add a test for the latter two. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132188 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: Make switch folding with equality compares more aggressive by ↵Benjamin Kramer2011-05-27
| | | | | | | | trying instsimplify on the arm where we know the compared value. Stuff like "x == y ? y : x&y" now folds into "x&y". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132185 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR10029 - VerifyCoalescing failure on patterns_dfa.c of 445.gobmk.Cameron Zwarich2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132181 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a test for Win64 EH unwind information emission.Charles Davis2011-05-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132180 91177308-0d34-0410-b5e6-96231b3b80d8
* Renamed llvm.x86.sse42.crc32 intrinsics; crc64 doesn't exist. Chad Rosier2011-05-26
| | | | | | | | | | crc32.[8|16|32] have been renamed to .crc32.32.[8|16|32] and crc64.[8|16|32] have been renamed to .crc32.64.[8|64]. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132163 91177308-0d34-0410-b5e6-96231b3b80d8
* During branch folding avoid inserting redundant DBG_VALUE machine instructions.Devang Patel2011-05-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132148 91177308-0d34-0410-b5e6-96231b3b80d8
* Make few ExecutionEngine tests XFAIL for ARM, since ExecutionEngine is ↵Galina Kistanova2011-05-26
| | | | | | broken for ARM, please remove the following XFAIL when it will be fixed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132135 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for C++ exception handling.Akira Hatanaka2011-05-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132131 91177308-0d34-0410-b5e6-96231b3b80d8
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