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* Convert Analysis tests to FileCheck in regards to PR5307.Edward O'Callaghan2009-10-275-7/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85241 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Thumb2 failures by converting them to FileCheck.Bob Wilson2009-10-275-8/+36
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85210 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the rest of the ARM failures by converting them to FileCheck.Bob Wilson2009-10-277-39/+74
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85208 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some more failures by converting to FileCheck.Bob Wilson2009-10-277-23/+44
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85207 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a pretty serious misfeature of the inliner: if it inlines a functionChris Lattner2009-10-271-1/+32
| | | | | | | | | | | | with multiple return values it inserts a PHI to merge them all together. However, if the return values are all the same, it ends up with a pointless PHI and this pointless PHI happens to really block SRoA from happening in at least a silly C++ example written by Doug, but probably others. This fixes rdar://7339069. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85206 91177308-0d34-0410-b5e6-96231b3b80d8
* convert to filecheck.Chris Lattner2009-10-271-5/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85205 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert to FileCheck, fixing failure due to tab change in the process.Bob Wilson2009-10-271-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85204 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert a few tests to FileCheck for PR5307.Edward O'Callaghan2009-10-263-4/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85171 91177308-0d34-0410-b5e6-96231b3b80d8
* Code that checks WillNotOverflowSignedAdd before creating an AddDan Gohman2009-10-262-2/+2
| | | | | | | can safely use the NSW bit on the Add. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85164 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach BasicAA how to analyze Select instructions, and make it moreDan Gohman2009-10-261-0/+73
| | | | | | | aggressive on PHI instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85158 91177308-0d34-0410-b5e6-96231b3b80d8
* Break anti-dependence breaking out into its own class.David Goodwin2009-10-261-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85127 91177308-0d34-0410-b5e6-96231b3b80d8
* reapply r85085 with a bugfix to avoid infinite looping.Chris Lattner2009-10-261-1/+0
| | | | | | | | All of the 'demorgan' related xforms need to use dyn_castNotVal, not m_Not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85119 91177308-0d34-0410-b5e6-96231b3b80d8
* Make LSR's OptimizeShadowIV ignore induction variables with negativeDan Gohman2009-10-261-0/+25
| | | | | | | | | | | strides for now, because it doesn't handle them correctly. This fixes a miscompile of SingleSource/Benchmarks/Misc-C++/ray. This problem was usually hidden because indvars transforms such induction variables into negations of canonical induction variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85118 91177308-0d34-0410-b5e6-96231b3b80d8
* - Revert some changes from 85044, 85045, and 85047 that broke x86_64 tests andEvan Cheng2009-10-261-0/+171
| | | | | | | | | | | | | | | | | | | | | | | | | | | bootstrapping. It's not safe to leave identity subreg_to_reg and insert_subreg around. - Relax register scavenging to allow use of partially "not-live" registers. It's common for targets to operate on registers where the top bits are undef. e.g. s0 = d0 = insert_subreg d0<undef>, s0, 1 ... = d0 When the insert_subreg is eliminated by the coalescer, the scavenger used to complain. The previous fix was to keep to insert_subreg around. But that's brittle and it's overly conservative when we want to use the scavenger to allocate registers. It's actually legal and desirable for other instructions to use the "undef" part of d0. e.g. s0 = d0 = insert_subreg d0<undef>, s0, 1 ... s1 = = s1 = d0 We probably need add a "partial-undef" marker on machine operand so the machine verifier would not complain. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85091 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 85085. It causes infinite looping during llvm-gcc build.Evan Cheng2009-10-261-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85090 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix gmake check for AuroraUX triple.Edward O'Callaghan2009-10-261-2/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85088 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement PR3266 & PR5276, folding:Chris Lattner2009-10-262-13/+16
| | | | | | | | not (or (icmp, icmp)) -> and(icmp, icmp) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85085 91177308-0d34-0410-b5e6-96231b3b80d8
* convert or.ll to filecheck and merge or2 into it.Chris Lattner2009-10-252-71/+128
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85083 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR5295 where the .ll parser didn't reject a function after a globalChris Lattner2009-10-252-2/+2
| | | | | | | | or global after a function with conflicting names. Update some testcases that were accidentally depending on this behavior. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85081 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a couple of ARM cross-rc coalescing tests.Evan Cheng2009-10-252-0/+119
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85051 91177308-0d34-0410-b5e6-96231b3b80d8
* Update tests.Evan Cheng2009-10-252-6/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85050 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a test for OptionPreprocessor.Mikhail Glushenkov2009-10-251-0/+42
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85029 91177308-0d34-0410-b5e6-96231b3b80d8
* Update these tests to match what Loop::print now prints.Dan Gohman2009-10-242-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85021 91177308-0d34-0410-b5e6-96231b3b80d8
* Make these tests more interesting by usingDan Gohman2009-10-2414-14/+14
| | | | | | | | -verify-dom-info and -verify-loop-info, which enable additional (expensive) consistency checks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85017 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach macho-dump to dump UUIDs.Daniel Dunbar2009-10-241-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85012 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR5287, a serious regression from my previous patches. Thanks toChris Lattner2009-10-241-24/+38
| | | | | | | Duncan for the nice tiny testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84992 91177308-0d34-0410-b5e6-96231b3b80d8
* Auto-upgrade free instructions to calls to the builtin free function.Victor Hernandez2009-10-245-43/+4
| | | | | | | | | Update all analysis passes and transforms to treat free calls just like FreeInst. Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84987 91177308-0d34-0410-b5e6-96231b3b80d8
* APInt-ify the gep scaling code, so that it correctly handles the case whereDan Gohman2009-10-231-0/+12
| | | | | | | the scale overflows pointer-sized arithmetic. This fixes PR5281. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84954 91177308-0d34-0410-b5e6-96231b3b80d8
* Make LoopDeletion check the maximum backedge taken count, rather than theDan Gohman2009-10-231-0/+27
| | | | | | | | exact backedge taken count, when checking for infinite loops. This allows it to delete loops with multiple exit conditions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84952 91177308-0d34-0410-b5e6-96231b3b80d8
* teach libanalysis to simplify vector loads with bitcast sources. ThisChris Lattner2009-10-231-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | implements something out of Target/README.txt producing: _foo: ## @foo movl 4(%esp), %eax movapd LCPI1_0, %xmm0 movapd %xmm0, (%eax) ret $4 instead of: _foo: ## @foo movl 4(%esp), %eax movapd _b, %xmm0 mulpd LCPI1_0, %xmm0 addpd _a, %xmm0 movapd %xmm0, (%eax) ret $4 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84942 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance FoldReinterpretLoadFromConstPtr to handle loads of up to 32 Chris Lattner2009-10-231-0/+11
| | | | | | | bytes (i256). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84941 91177308-0d34-0410-b5e6-96231b3b80d8
* teach libanalysis to fold int and fp loads from almost arbitraryChris Lattner2009-10-231-0/+68
| | | | | | | | | | | | | | | | | | | | | non-type-safe constant initializers. This sort of thing happens quite a bit for 4-byte loads out of string constants, unions, bitfields, and an interesting endianness check from sqlite, which is something like this: const int sqlite3one = 1; # define SQLITE_BIGENDIAN (*(char *)(&sqlite3one)==0) # define SQLITE_LITTLEENDIAN (*(char *)(&sqlite3one)==1) # define SQLITE_UTF16NATIVE (SQLITE_BIGENDIAN?SQLITE_UTF16BE:SQLITE_UTF16LE) all of these macros now constant fold away. This implements PR3152 and is based on a patch started by Eli, but heavily modified and extended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84936 91177308-0d34-0410-b5e6-96231b3b80d8
* Update tests for 84931.Evan Cheng2009-10-237-14/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84932 91177308-0d34-0410-b5e6-96231b3b80d8
* This is passing on Darwin PPC.Bill Wendling2009-10-231-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84921 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow the target to select the level of anti-dependence breaking that should ↵David Goodwin2009-10-227-14/+14
| | | | | | be performed by the post-RA scheduler. The default is none. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84911 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 84843. Evan, this was breaking some of the if-conversion tests.Bob Wilson2009-10-221-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84868 91177308-0d34-0410-b5e6-96231b3b80d8
* Check that accessing a struct field that occurs before the startDuncan Sands2009-10-221-0/+6
| | | | | | | of the struct (!) works correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84853 91177308-0d34-0410-b5e6-96231b3b80d8
* Test handling of record fields with negative offsets.Duncan Sands2009-10-221-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84851 91177308-0d34-0410-b5e6-96231b3b80d8
* Move if-conversion before post-regalloc scheduling so the predicated ↵Evan Cheng2009-10-221-1/+2
| | | | | | instruction get scheduled properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84843 91177308-0d34-0410-b5e6-96231b3b80d8
* testcase for PR4678 & rdar://7309675Chris Lattner2009-10-222-5/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84830 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't generate sbfx / ubfx with negative lsb field. Patch by David Conrad.Evan Cheng2009-10-221-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84813 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR5262.Chris Lattner2009-10-221-1/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84810 91177308-0d34-0410-b5e6-96231b3b80d8
* Use special DAG-to-DAG preprocessing to allow mem-mem instructions to be ↵Anton Korobeynikov2009-10-222-2/+0
| | | | | | | | selected. Yay for ASCII graphics! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84808 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert the main portion of r31856. It was causing BranchFoldingDan Gohman2009-10-223-9/+9
| | | | | | | | | | | | | to break up CFG diamonds by banishing one of the blocks to the end of the function, which is bad for code density and branch size. This does pessimize MultiSource/Benchmarks/Ptrdist/yacr2, the benchmark cited as the reason for the change, however I've examined the code and it looks more like a case of gaming a particular branch than of being generally applicable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84803 91177308-0d34-0410-b5e6-96231b3b80d8
* revert r84754, it isn't the right approach. Edwin, please propose Chris Lattner2009-10-211-54/+0
| | | | | | | | patches for fixes like this instead of committing them directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84799 91177308-0d34-0410-b5e6-96231b3b80d8
* Adjust testcases for msasm -> alignstack.Dale Johannesen2009-10-213-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84796 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL this test for PPC.Bill Wendling2009-10-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84782 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve handling of immediates by splitting 32-bit immediates into two 16-bitJim Grosbach2009-10-212-27/+33
| | | | | | | | immediate operands when they will fit into the using instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84778 91177308-0d34-0410-b5e6-96231b3b80d8
* Add DAG printing for RMW stuff debuggingAnton Korobeynikov2009-10-212-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84776 91177308-0d34-0410-b5e6-96231b3b80d8
* RMW preprocessing stuff was incorrect. Grab the stuff from x86 backend and ↵Anton Korobeynikov2009-10-212-0/+2
| | | | | | disable some tests until it will be clever enough to handle them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84775 91177308-0d34-0410-b5e6-96231b3b80d8
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