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* Enable post regalloc machine licm by default.Evan Cheng2010-04-121-5/+1
| | | | llvm-svn: 101023
* Verify function prototypes before trying to optimize functions. We alsoEric Christopher2010-04-121-2/+48
| | | | | | | | | | need TargetData, just return false if we don't have it. Update testcases accordingly. Fixes PR6807. llvm-svn: 101011
* Remove unnecessary parens.Dan Gohman2010-04-122-4/+4
| | | | llvm-svn: 101010
* Minor code simplification.Dan Gohman2010-04-121-1/+1
| | | | llvm-svn: 101009
* Re-apply r101000, with a fix: Don't eliminate an icmp which is part ofDan Gohman2010-04-121-1/+45
| | | | | | | | the loop exit test. This usually doesn't come up for a variety of reasons, but it isn't impossible, so make IndVarSimplify handle it conservatively. llvm-svn: 101008
* Revert 101000, which is breaking self-host builds.Dan Gohman2010-04-121-38/+0
| | | | llvm-svn: 101002
* Fix indentation.Dan Gohman2010-04-111-1/+1
| | | | llvm-svn: 101001
* Teach IndVarSimplify how to eliminate comparisons involving inductionDan Gohman2010-04-111-0/+38
| | | | | | | | | | | | | variables. For example, with code like this: for (i=0;i<n;++i) if (i<n) x[i] = 0; IndVarSimplify will now recognize that i is always less than n inside the loop, and eliminate the if. llvm-svn: 101000
* Enhance ScalarEvolution::isKnownPredicate with support forDan Gohman2010-04-111-8/+33
| | | | | | loop conditions which are invariants. llvm-svn: 100995
* Minor code simplification.Dan Gohman2010-04-111-2/+1
| | | | llvm-svn: 100994
* When creating a ConstantRange for [n,UINT_MAX], special case n == 0, becauseDan Gohman2010-04-111-3/+4
| | | | | | ConstantRange(0, 0) creates an empty range rather than a full one. llvm-svn: 100993
* Add a cast to void to show that the return value is beingDan Gohman2010-04-111-1/+1
| | | | | | intentionally ignored. llvm-svn: 100984
* Delete a dead check.Dan Gohman2010-04-111-1/+0
| | | | llvm-svn: 100983
* Delete dead code.Dan Gohman2010-04-111-26/+0
| | | | llvm-svn: 100981
* Rename isLoopGuardedByCond to isLoopEntryGuardedByCond, to emphasiseDan Gohman2010-04-113-17/+17
| | | | | | | that it's only testing for the entry condition, not full loop-invariant conditions. llvm-svn: 100979
* Implement support for varargs functions without any fixedChris Lattner2010-04-102-31/+23
| | | | | | | | parameters in the CBE by implicitly adding a fixed argument. This allows eliminating a work-around from DAE. Patch by Sylvere Teissier! llvm-svn: 100944
* fix PR6743, a case where we'd delete an instruction before using itChris Lattner2010-04-101-1/+3
| | | | | | in some cases. llvm-svn: 100937
* fix PR6760, a missing check in heap SRoA.Chris Lattner2010-04-101-1/+2
| | | | llvm-svn: 100936
* turn an assert into a proper check, fixing crash on invalid here:Chris Lattner2010-04-101-2/+1
| | | | | | | | | | | $ llvm-as t.ll llvm-as: t.ll:1:6: error: expected 'type' after '=' %0 = = type { i32, float, float, double } ^ PR6810. llvm-svn: 100934
* improve haiku portability, patch by Paul Davey.Chris Lattner2010-04-101-0/+2
| | | | llvm-svn: 100933
* add attributes and module level asm to the ocaml bindings,Chris Lattner2010-04-101-0/+5
| | | | | | patch by Patrick Walton! llvm-svn: 100932
* Fix a typo and some indentation.Dan Gohman2010-04-091-2/+2
| | | | llvm-svn: 100908
* When determining a canonical insert position, don't climb deeperDan Gohman2010-04-091-33/+73
| | | | | | | | into adjacent loops. Also, ensure that the insert position is dominated by the loop latch of any loop in the post-inc set which has a latch. llvm-svn: 100906
* Tidy whitespace.Bob Wilson2010-04-091-9/+8
| | | | llvm-svn: 100904
* suck the propagating "has dynamic libs" check into a single makefile Chris Lattner2010-04-091-2/+2
| | | | | | variable TARGET_HAS_DYNAMIC_LIBS llvm-svn: 100896
* add minix support, patch by Kees van Reeuwijk! PR6797Chris Lattner2010-04-093-2/+17
| | | | llvm-svn: 100895
* clean this up, fix std::min ambiguity on some platforms.Chris Lattner2010-04-091-7/+5
| | | | llvm-svn: 100894
* Adding IPSCCP and Internalize passes to the C-bindingsWesley Peck2010-04-091-0/+9
| | | | llvm-svn: 100893
* Provide versions of the ARM eh_sjlj_setjmp instructions for non-VFP subtargetsBob Wilson2010-04-092-2/+35
| | | | | | | | | such that the non-VFP versions have no implicit defs of VFP registers. If any callee-saved VFP registers are marked as having been defined, the prologue/epilogue code will try to save and restore them. Radar 7770432. llvm-svn: 100892
* When emitting code for an add, don't force a SCEVUnknown wrapper aroundDan Gohman2010-04-091-3/+4
| | | | | | | a hoisted intermediate result if the intermediate result isn't an Instruction. llvm-svn: 100884
* When looking for loop-invariant users, look through no-op instructions,Dan Gohman2010-04-091-3/+11
| | | | | | | so that an unfortunately placed bitcast doesn't pin a value in a register. llvm-svn: 100883
* "On SPU, variables in the .bss section that are allocated with the .lcomm ↵Chris Lattner2010-04-091-1/+0
| | | | | | | | | | directive are not aligned on 16 byte boundaries. This causes misaligned loads, as the generated assembly assumes this "default" alignment. this patch disables .lcomm in favour of '.local .comm' Patch by Kalle Raisklia! llvm-svn: 100875
* Add a comment.Dan Gohman2010-04-091-1/+2
| | | | llvm-svn: 100874
* Clear InsnsBeginScopeSet and InsnsEndScopeSet at the end of function.Devang Patel2010-04-091-0/+2
| | | | llvm-svn: 100867
* performance: cache result of looking up userGabor Greif2010-04-091-4/+6
| | | | llvm-svn: 100862
* Minor code simplification.Dan Gohman2010-04-091-9/+5
| | | | llvm-svn: 100859
* Delete this obsolete comment.Dan Gohman2010-04-091-4/+0
| | | | llvm-svn: 100858
* const-ize a predicateGabor Greif2010-04-091-2/+2
| | | | llvm-svn: 100856
* Add a missing dependency to this library when building with CMake.Chandler Carruth2010-04-091-0/+2
| | | | llvm-svn: 100852
* Use getNumImplicitDefs() and getNumImplicitUses().Bob Wilson2010-04-091-24/+6
| | | | llvm-svn: 100850
* Fix up some comments.Bob Wilson2010-04-091-5/+3
| | | | llvm-svn: 100849
* Refactor the code for computing the insertion point for an expression intoDan Gohman2010-04-091-8/+29
| | | | | | a separate function. llvm-svn: 100845
* Add several more lint checks.Dan Gohman2010-04-091-21/+68
| | | | llvm-svn: 100841
* Fix a bug in IVUsers which was permitting non-affine addrecs toDan Gohman2010-04-091-2/+2
| | | | | | be sent to LSR, which it isn't prepared to handle. llvm-svn: 100839
* fix a SCCP miscompilation that could happen when aChris Lattner2010-04-091-3/+10
| | | | | | | | | forced constant is changed to a constant, we would end up adding the instruction to the wrong worklist, preventing it from being properly revisited. This fixes rdar://7832370 llvm-svn: 100837
* Avoid allocating a value of zero in a register if the initial formulaDan Gohman2010-04-081-2/+6
| | | | | | inputs happen to negate each other. llvm-svn: 100828
* Add a few more lint checks.Dan Gohman2010-04-081-0/+40
| | | | llvm-svn: 100825
* Add variants of ult, ule, etc. which take a uint64_t RHS, for convenience.Dan Gohman2010-04-084-8/+7
| | | | llvm-svn: 100824
* delete a forwarding function.Chris Lattner2010-04-084-107/+110
| | | | llvm-svn: 100815
* move elf section uniquing to MCContext. Along the wayChris Lattner2010-04-0813-214/+139
| | | | | | merge XCore's section into MCSectionELF llvm-svn: 100812
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