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* Merging r201104:Tom Stellard2014-04-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r201104 | chandlerc | 2014-02-10 14:39:35 -0500 (Mon, 10 Feb 2014) | 26 lines [LPM] A terribly simple fix to a terribly complex bug: PR18773. The crux of the issue is that LCSSA doesn't preserve stateful alias analyses. Before r200067, LICM didn't cause LCSSA to run in the LTO pass manager, where LICM runs essentially without any of the other loop passes. As a consequence the globalmodref-aa pass run before that loop pass manager was able to survive the loop pass manager and be used by DSE to eliminate stores in the function called from the loop body in Adobe-C++/loop_unroll (and similar patterns in other benchmarks). When LICM was taught to preserve LCSSA it had to require it as well. This caused it to be run in the loop pass manager and because it did not preserve AA, the stateful AA was lost. Most of LLVM's AA isn't stateful and so this didn't manifest in most cases. Also, in most cases LCSSA was already running, and so there was no interesting change. The real kicker is that LCSSA by its definition (injecting PHI nodes only) trivially preserves AA! All we need to do is mark it, and then everything goes back to working as intended. It probably was blocking some other weird cases of stateful AA but the only one I have is a 1000-line IR test case from loop_unroll, so I don't really have a good test case here. Hopefully this fixes the regressions on performance that have been seen since that revision. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205795 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r198863:Tom Stellard2014-04-08
| | | | | | | | | | | | | | | ------------------------------------------------------------------------ r198863 | stpworld | 2014-01-09 07:26:12 -0500 (Thu, 09 Jan 2014) | 6 lines Fixed old typo in ScalarEvolution, that caused wrong SCEVs zext operation. Detailed description is here: http://llvm.org/bugs/show_bug.cgi?id=18000#c16 For participation in bugfix process special thanks to David Wiberg. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205794 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r198744:Tom Stellard2014-04-08
| | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r198744 | iain | 2014-01-08 05:22:54 -0500 (Wed, 08 Jan 2014) | 8 lines [patch] Adjust behavior of FDE cross-section relocs for targets that don't support abs-differences. Modern versions of OSX/Darwin's ld (ld64 > 97.17) have an optimisation present that allows the back end to omit relocations (and replace them with an absolute difference) for FDE some text section refs. This patch allows a backend to opt-in to this behaviour by setting "DwarfFDESymbolsUseAbsDiff". At present, this is only enabled for modern x86 OSX ports. test changes by David Fang. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205768 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197574:Tom Stellard2014-04-08
| | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197574 | rafael.espindola | 2013-12-18 10:06:25 -0500 (Wed, 18 Dec 2013) | 8 lines Fix f64 and f128 for ppc-darwin. This patch adds -f64:32:64 to 32 bit ppc darwin since a f64 inside a structure are only 32 bit aligned. The patch also drop -f128:64:128 from all ppc darwin, since f128 is 128 bit aligned. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205767 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197572:Tom Stellard2014-04-08
| | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197572 | rafael.espindola | 2013-12-18 09:35:37 -0500 (Wed, 18 Dec 2013) | 6 lines One ppc32-darwin, a i64 inside a structure can have 32 bit alignment. Thanks for Iain Sandoe for testing this with the original gcc. Clang was already getting this right. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205766 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r196987:Tom Stellard2014-04-08
| | | | | | | | | | | ------------------------------------------------------------------------ r196987 | rafael.espindola | 2013-12-10 19:09:06 -0500 (Tue, 10 Dec 2013) | 2 lines Move PPC's getDataLayoutString out of line and document it better. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205765 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r196168:Tom Stellard2014-04-08
| | | | | | | | | | | ------------------------------------------------------------------------ r196168 | rafael.espindola | 2013-12-02 18:04:51 -0500 (Mon, 02 Dec 2013) | 2 lines Convert two char* that are only ever used as booleans to bool. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205764 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r203818:Tom Stellard2014-03-24
| | | | | | | | | | | | | | ------------------------------------------------------------------------ r203818 | thomas.stellard | 2014-03-13 10:13:04 -0700 (Thu, 13 Mar 2014) | 7 lines R600: LDS instructions shouldn't implicitly define OQAP LDS instructions are pseudo instructions which model the OQAP defs and uses within a single instruction. This fixes a hang in the opencv MedianFilter tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204650 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r203281:Tom Stellard2014-03-24
| | | | | | | | | | | | ------------------------------------------------------------------------ r203281 | thomas.stellard | 2014-03-07 12:12:39 -0800 (Fri, 07 Mar 2014) | 4 lines R600/SI: Using SGPRs is illegal for instructions that read carry-out from VCC Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204649 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r201097:Tom Stellard2014-03-24
| | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r201097 | thomas.stellard | 2014-02-10 08:58:30 -0800 (Mon, 10 Feb 2014) | 9 lines R600/SI: Initialize M0 and emit S_WQM_B64 whenever DS instructions are used DS instructions that access local memory can only uses addresses that are less than or equal to the value of M0. When M0 is uninitialized, then we experience undefined behavior. This patch also changes the behavior to emit S_WQM_B64 on pixel shaders no matter what kind of DS instruction is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204648 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r201096:Tom Stellard2014-03-24
| | | | | | | | | | | | | ------------------------------------------------------------------------ r201096 | thomas.stellard | 2014-02-10 08:58:27 -0800 (Mon, 10 Feb 2014) | 6 lines R600/SI: Only use S_WQM_B64 in pixel shaders This doesn't change any functionality, since we only have two shader types (compute and pixel) that use local memory. We're just changing the logic to match the documentation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204647 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r200830:Tom Stellard2014-03-24
| | | | | | | | | | | | | | | ------------------------------------------------------------------------ r200830 | michel.daenzer | 2014-02-05 01:48:05 -0800 (Wed, 05 Feb 2014) | 8 lines R600/SI: Add pattern for zero-extending i1 to i32 Fixes opencl-example if_* tests with radeonsi. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74469 Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204646 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r200776:Tom Stellard2014-03-24
| | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r200776 | thomas.stellard | 2014-02-04 09:18:43 -0800 (Tue, 04 Feb 2014) | 9 lines R600/SI: Expand i1 BR_CC This fixes a crashes in the OpenCV test suite and also the scrypt kernel in bfgminer. I was unable to come up with a reduced test case for this. https://bugs.freedesktop.org/show_bug.cgi?id=72785 git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204645 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r200775:Tom Stellard2014-03-24
| | | | | | | | | | | | | ------------------------------------------------------------------------ r200775 | thomas.stellard | 2014-02-04 09:18:42 -0800 (Tue, 04 Feb 2014) | 5 lines R600/SI: Don't assume copies will be coalesced in SIFixSGPRCopies There is no lit test for this, because it would be too big and complicated, but it does fix a crash in the Arithm/Absdiff.* OpenCV test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204644 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r200743:Tom Stellard2014-03-24
| | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r200743 | michel.daenzer | 2014-02-03 23:12:38 -0800 (Mon, 03 Feb 2014) | 11 lines R600/SI: Fix fneg for 0.0 V_ADD_F32 with source modifier does not produce -0.0 for this. Just manipulate the sign bit directly instead. Also add a pattern for (fneg (fabs ...)). Fixes a bunch of bit encoding piglit tests with radeonsi. Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204643 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r200283:Tom Stellard2014-03-24
| | | | | | | | | | | | | ------------------------------------------------------------------------ r200283 | michel.daenzer | 2014-01-27 19:01:16 -0800 (Mon, 27 Jan 2014) | 6 lines R600/SI: Add pattern for truncating i32 to i1 Fixes half a dozen piglit tests with radeonsi. Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204642 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r199919:Tom Stellard2014-03-24
| | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r199919 | thomas.stellard | 2014-01-23 10:49:34 -0800 (Thu, 23 Jan 2014) | 10 lines R600: Remove successive JUMP in AnalyzeBranch when AllowModify is true This fixes a crash in the OpenCV OpenCL test suite. There is no lit test for this, because the test would be very large and could easily be invalidated by changes to the scheduler or other parts of the compiler. Patch by: Vincent Lejeune git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204641 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r199918:Tom Stellard2014-03-24
| | | | | | | | | | | | | | | ------------------------------------------------------------------------ r199918 | thomas.stellard | 2014-01-23 10:49:33 -0800 (Thu, 23 Jan 2014) | 8 lines R600: Disable the BFE pattern This pattern uses an SDNodeXForm, which isn't being emitted for some reason. I can get it to work by attaching the PatLeaf that has the XForm to the argument in the output pattern, but this results in an immediate being used in a register operand, which the backend can't handle yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204640 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r199917:Tom Stellard2014-03-24
| | | | | | | | | | | | | ------------------------------------------------------------------------ r199917 | thomas.stellard | 2014-01-23 10:49:31 -0800 (Thu, 23 Jan 2014) | 6 lines R600: Correctly handle vertex fetch clauses the precede ENDIFs The control flow finalizer would sometimes use an ALU_POP_AFTER instruction before the vetex fetch clause instead of using a POP instruction after it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204639 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r202336:Tom Stellard2014-03-24
| | | | | | | | | | | ------------------------------------------------------------------------ r202336 | michel.daenzer | 2014-02-26 17:47:02 -0800 (Wed, 26 Feb 2014) | 4 lines R600/SI: Allow SI_KILL for geometry shaders Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204638 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r200196:Tom Stellard2014-03-24
| | | | | | | | | | | ------------------------------------------------------------------------ r200196 | michel.daenzer | 2014-01-26 23:20:51 -0800 (Sun, 26 Jan 2014) | 4 lines R600/SI: Add intrinsic for BUFFER_LOAD_DWORD* instructions Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204637 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r200195:Tom Stellard2014-03-24
| | | | | | | | | | | ------------------------------------------------------------------------ r200195 | michel.daenzer | 2014-01-26 23:20:44 -0800 (Sun, 26 Jan 2014) | 4 lines R600/SI: Add intrinsic for S_SENDMSG instruction Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204636 91177308-0d34-0410-b5e6-96231b3b80d8
* Bump version to 3.4.1Tom Stellard2014-03-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204266 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r202720:Tom Stellard2014-03-19
| | | | | | | | | | | | | | | ------------------------------------------------------------------------ r202720 | thomas.stellard | 2014-03-03 07:22:00 -0800 (Mon, 03 Mar 2014) | 8 lines Add patch level to llvm version in CMake and Autoconf The shared library generated by autoconf will now be called libLLVM-$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH)$(VERSION_SUFFIX).so and a symlink named libLLVM-$(VERSION_MAJOR).$(VERSION_MINOR)$(VERSION_SUFFIX).so will also be created in the install directory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@204262 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197503, r197505, r197520:Tom Stellard2014-02-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197520 | dexonsmith | 2013-12-17 12:28:21 -0800 (Tue, 17 Dec 2013) | 7 lines Assert that the last operand is actually EFLAGS This is another follow-up to r197503, after a post-commit review by Andy. <rdar://problem/15627766> ------------------------------------------------------------------------ r197505 | dexonsmith | 2013-12-17 08:20:37 -0800 (Tue, 17 Dec 2013) | 6 lines Setting the CPU in the new vaargs test Trying to fix buildbots after r197503 (test passes locally). <rdar://problem/15627766> ------------------------------------------------------------------------ r197503 | dexonsmith | 2013-12-17 07:54:45 -0800 (Tue, 17 Dec 2013) | 17 lines Revert "Revert "Mark vastart_save_xmm_regs as changing EFLAGS"" This reverts commit r197481, recommiting r197469 with an extra fix. The vastart_save_xmm_regs pseudo-instruction expands to a test and a branch, so it modifies EFLAGS. Mark it so, or else the scheduler might place it in the middle of another test+branch. This fixes a bug exposed by r192750, which changed the initial scheduler to source-order as part of enabling the MI Scheduler for X86. This re-commit changes the VASTART_SAVE_XMM_REGS custom inserter not to try to save %flags, and adds a test that catches the bad behavior of r197469. <rdar://problem/15627766> ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@202060 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197483:Bill Wendling2013-12-24
| | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197483 | yrnkrn | 2013-12-17 00:40:11 -0800 (Tue, 17 Dec 2013) | 8 lines There are no __register_frame and __deregister_frame functions when using structured exception handling (SEH) on Windows 64. http://llvm-reviews.chandlerc.com/D2378 Patch by Jonathan Liu! ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197944 91177308-0d34-0410-b5e6-96231b3b80d8
* Small reformatting changes.Bill Wendling2013-12-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197932 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove help notes from the ReleaseNotes.Bill Wendling2013-12-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197840 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197492:Bill Wendling2013-12-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197492 | dyatkovskiy | 2013-12-17 04:07:33 -0800 (Tue, 17 Dec 2013) | 26 lines Fix for PR18045: http://llvm.org/bugs/show_bug.cgi?id=18045 Short issue description: For X86 machines with sse < sse4.1 we got failures for some particular load/store vector sequences: $ clang-trunk -m32 -O2 test-case.c fatal error: error in backend: Cannot select: 0x4200920: v4i32,ch = load 0x41d6ab0, 0x4205850, 0x41dcb10<LD16[getelementptr inbounds ([4 x i32]* @e, i32 0, i32 0)](align=4)> [ORD=82] [ID=58] 0x4205850: i32 = X86ISD::Wrapper 0x41d5490 [ORD=26] [ID=43] 0x41d5490: i32 = TargetGlobalAddress<[4 x i32]* @e> 0 [ORD=26] [ID=23] 0x41dcb10: i32 = undef [ID=2] The reason is that EltsFromConsecutiveLoads could emit such load instruction both before and after legalize stage. Though this instruction is not legal for machines with SSSE3 and lower. The fix: In EltsFromConsecutiveLoads, if we have passed legalize stage, we check whether nodes it emits are legal. P.S.: If you get failure in time from 12:00 and till 22:00 (UTC-8), perhaps I'll slow with response, so you better reject this commit. Thanks! ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197779 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197718:Bill Wendling2013-12-20
| | | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197718 | hans | 2013-12-19 12:32:44 -0800 (Thu, 19 Dec 2013) | 10 lines Make sys::ThreadLocal<> zero-initialized on non-thread builds (PR18205) According to the docs, ThreadLocal<>::get() should return NULL if no object has been set. This patch makes that the case also for non-thread builds and adds a very basic unit test to check it. (This was causing PR18205 because PrettyStackTraceHead didn't get zero- initialized and we'd crash trying to read past the end of that list. We didn't notice this so much on Linux since we'd crash after printing all the entries, but on Mac we print into a SmallString, and would crash before printing that.) ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197778 91177308-0d34-0410-b5e6-96231b3b80d8
* Update notes.Bill Wendling2013-12-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197468 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197449:Bill Wendling2013-12-17
| | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197449 | arnolds | 2013-12-16 17:11:01 -0800 (Mon, 16 Dec 2013) | 7 lines LoopVectorizer: Don't if-convert constant expressions that can trap A phi node operand or an instruction operand could be a constant expression that can trap (division). Check that we don't vectorize such cases. PR16729 radar://15653590 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197453 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r195411:Bill Wendling2013-12-16
| | | | | | | | | | | ------------------------------------------------------------------------ r195411 | mgottesman | 2013-11-21 21:00:51 -0800 (Thu, 21 Nov 2013) | 1 line [block-freq] Update data in test case to be unsigned long long to fix mingw build. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197363 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197047:Bill Wendling2013-12-15
| | | | | | | | | | | | | ------------------------------------------------------------------------ r197047 | d0k | 2013-12-11 08:36:09 -0800 (Wed, 11 Dec 2013) | 3 lines SelectionDAG: Fix a typo. Found by "cppcheck". PR18208. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197355 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r195710:Bill Wendling2013-12-15
| | | | | | | ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197354 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197216:Bill Wendling2013-12-15
| | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197216 | chandlerc | 2013-12-13 00:00:01 -0800 (Fri, 13 Dec 2013) | 9 lines [inliner] Fix PR18206 by preventing inlining functions that call setjmp through an invoke instruction. The original patch for this was written by Mark Seaborn, but I've reworked his test case into the existing returns_twice test case and implemented the fix by the prior refactoring to actually run the cost analysis over invoke instructions, and then here fixing our detection of the returns_twice attribute to work for both calls and invokes. We never noticed because we never saw an invoke. =[ ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197352 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197215:Bill Wendling2013-12-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197215 | chandlerc | 2013-12-12 23:59:56 -0800 (Thu, 12 Dec 2013) | 24 lines [inliner] Completely change (and fix) how the inline cost analysis handles terminator instructions. The inline cost analysis inheritted some pretty rough handling of terminator insts from the original cost analysis, and then made it much, much worse by factoring all of the important analyses into a separate instruction visitor. That instruction visitor never visited the terminator. This works fine for things like conditional branches, but for many other things we simply computed The Wrong Value. First example are unconditional branches, which should be free but were counted as full cost. This is most significant for conditional branches where the condition simplifies and folds during inlining. We paid a 1 instruction tax on every branch in a straight line specialized path. =[ Oh, we also claimed that the unreachable instruction had cost. But it gets worse. Let's consider invoke. We never applied the call penalty. We never accounted for the cost of the arguments. Nope. Worse still, we didn't handle the *correctness* constraints of not inlining recursive invokes, or exception throwing returns_twice functions. Oops. See PR18206. Sadly, PR18206 requires yet another fix, but this refactoring is at least a huge step in that direction. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197351 91177308-0d34-0410-b5e6-96231b3b80d8
* Add release notes for the PowerPC backendHal Finkel2013-12-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197325 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197178:Bill Wendling2013-12-14
| | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197178 | hfinkel | 2013-12-12 12:45:24 -0800 (Thu, 12 Dec 2013) | 9 lines Fix a use-after-free error in GlobalOpt CleanupConstantGlobalUsers GlobalOpt's CleanupConstantGlobalUsers function uses a worklist array to manage constant users to be visited. The pointers in this array need to be weak handles because when we delete a constant array, we may also be holding a pointer to one of its elements (or an element of one of its elements if we're dealing with an array of arrays) in the worklist. Fixes PR17347. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197322 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197228:Bill Wendling2013-12-14
| | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197228 | d0k | 2013-12-13 05:40:24 -0800 (Fri, 13 Dec 2013) | 8 lines X86: When lowering shl_parts, don't emit shift amounts larger than the bit width. While it's safe for the X86-specific shift nodes, dag combining will kill generic nodes. Insert an AND to make it safe, isel will nuke it as x86's shift instructions have an implicit AND. Fixes PR16108, which contains a contraption to hit this case in between constant folders. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197321 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix URL.Bill Wendling2013-12-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197203 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r-197100:Bill Wendling2013-12-12
| | | | | | | | | | | ------------------------------------------------------------------------ r197100 | hfinkel | 2013-12-11 16:23:29 -0800 (Wed, 11 Dec 2013) | 1 line Remove unused multiclass from PPCInstrInfo.td ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197131 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197100:Bill Wendling2013-12-12
| | | | | | | | | | | ------------------------------------------------------------------------ r197100 | hfinkel | 2013-12-11 16:23:29 -0800 (Wed, 11 Dec 2013) | 1 line Remove unused multiclass from PPCInstrInfo.td ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197130 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r197089:Bill Wendling2013-12-12
| | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r197089 | hfinkel | 2013-12-11 15:12:25 -0800 (Wed, 11 Dec 2013) | 6 lines Fix the PPC subsumes-predicate check For one predicate to subsume another, they must both check the same condition register. Failure to check this prerequisite was causing miscompiles. Fixes PR18003. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197126 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LibBeauty blurb.Bill Wendling2013-12-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197004 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r196768:Bill Wendling2013-12-10
| | | | | | | | | | | | | | | ------------------------------------------------------------------------ r196768 | majnemer | 2013-12-09 01:04:00 -0800 (Mon, 09 Dec 2013) | 5 lines ADT: Implement MutableArrayRef::reverse_iterator This adds rbegin/rend methods to MutableArrayRef, they will be used by a follow-on commit in clang. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196945 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r196858:Bill Wendling2013-12-10
| | | | | | | | | | | ------------------------------------------------------------------------ r196858 | nadav | 2013-12-09 17:13:59 -0800 (Mon, 09 Dec 2013) | 1 line Fix PR18162 - Incorrect assertion assumed that the SDValue resno is zero. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196886 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r196806:Bill Wendling2013-12-10
| | | | | | | | | | | | | | | | | | | | | ------------------------------------------------------------------------ r196806 | apazos | 2013-12-09 11:29:14 -0800 (Mon, 09 Dec 2013) | 11 lines Fix pattern match for movi with 0D result Patch by Jiangning Liu. With some test case changes: - intrinsic test added to the existing /test/CodeGen/AArch64/neon-aba-abd.ll. - New test cases to cover movi 1D scenario without using the intrinsic in test/CodeGen/AArch64/neon-mov.ll. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196872 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r196612:Bill Wendling2013-12-10
| | | | | | | ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196869 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r196172:Manman Ren2013-12-09
| | | | | | | | | | | | | | ------------------------------------------------------------------------ r196172 | mren | 2013-12-02 16:12:14 -0800 (Mon, 02 Dec 2013) | 4 lines Debug Info: rename getDebugInfoVersionFromModule to getDebugMetadataVersionFromModule. Suggested by Eric. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196823 91177308-0d34-0410-b5e6-96231b3b80d8
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