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* building on the new CallGraphSCC abstraction, teach CallGraphSCCPassManager Chris Lattner2010-04-161-0/+5
| | | | | | | | | | | | to keep the node entries in scc_iterator up to date instead of dangling as the SCC mutates. This is a really terrible problem which was causing -g to affect codegen because it would permute the memory image of the compiler process. Thanks to Dale for expertly hunting it down. llvm-svn: 101565
* Add skeleton target-specific SelectionDAGInfo files.Dan Gohman2010-04-1639-0/+676
| | | | llvm-svn: 101564
* Fixed logic error. Should check Builder for validity before calling SetSessionJohnny Chen2010-04-161-3/+2
| | | | | | on it. llvm-svn: 101563
* move ReplaceNode out of line, rename scc_iterator::fini -> isAtEnd().Chris Lattner2010-04-161-5/+15
| | | | | | No functionality change. llvm-svn: 101562
* introduce a new CallGraphSCC class, and pass it aroundChris Lattner2010-04-166-73/+88
| | | | | | | | to CallGraphSCCPass's instead of passing around a std::vector<CallGraphNode*>. No functionality change, but now we have a much tidier interface. llvm-svn: 101558
* Fixed a bug in DisassembleN1RegModImmFrm() where a break stmt was missing for aJohnny Chen2010-04-163-5/+26
| | | | | | | | | | case. Also, the 0xFF hex literal involved in the shift for ESize64 should be suffixed "ul" to preserve the shift result. Implemented printHex*ImmOperand() by copying from ARMAsmPrinter.cpp and added a test case for DisassembleN1RegModImmFrm()/printHex64ImmOperand(). llvm-svn: 101557
* (i32 sext_in_reg (i32 aext (i16 x)), i16) -> (i32 sext x). No known test ↵Evan Cheng2010-04-161-1/+2
| | | | | | case until -promote-16bit is enabled. llvm-svn: 101551
* move PrintCallGraphPass out of the middle of CGPassManager.Chris Lattner2010-04-161-33/+43
| | | | llvm-svn: 101543
* add a missing break back, patch by Nico Schmidt!Chris Lattner2010-04-161-0/+1
| | | | llvm-svn: 101538
* Create a new TargetSelectionDAGInfo class. This will eventually acquireDan Gohman2010-04-162-0/+22
| | | | | | SelectionDAG-specific parts of TargetLowering. llvm-svn: 101537
* Commit this, which should have accompanied 101531.Dan Gohman2010-04-161-1/+2
| | | | llvm-svn: 101532
* Eliminate an unnecessary SelectionDAG dependency in getOptimalMemOpType.Dan Gohman2010-04-164-13/+13
| | | | llvm-svn: 101531
* In the same spirit of r101524, which removed the assert() from ↵Johnny Chen2010-04-162-2/+0
| | | | | | | | printAddrMode2OffsetOperand(), this patch removes the assert() from printAddrMode3OffsetOperand() and adds a test case. llvm-svn: 101529
* Multiclass LdStCop was using pre-UAL syntax LDC<c>L for the L fragment. ChangedJohnny Chen2010-04-161-4/+4
| | | | | | | | | to the UAL syntax of LDCL<c>, instead. Add a test case for this change which also tests the removal of assert() from printAddrMode2OffsetOperand(). llvm-svn: 101527
* Remove the assert() from printAddrMode2OffsetOperand(). "#0 and #-0" areJohnny Chen2010-04-162-2/+0
| | | | | | | | | considered legal instructions. Refs: A8.6.51 LDC, LDC2 (immediate) -- page A8-107, A8.6.58 LDR (immediate, ARM) -- page A8-121, and A8.6.194 STR (immediate, ARM) -- page A8-395. llvm-svn: 101524
* 80 col.Evan Cheng2010-04-161-1/+2
| | | | llvm-svn: 101501
* 80 col.Evan Cheng2010-04-161-1/+1
| | | | llvm-svn: 101500
* Avoid creating virtual registers for unused values.Dan Gohman2010-04-162-5/+5
| | | | llvm-svn: 101480
* Fix an assertion string.Dan Gohman2010-04-161-1/+1
| | | | llvm-svn: 101478
* Fix a comment.Dan Gohman2010-04-161-1/+1
| | | | llvm-svn: 101477
* Disable inlining of recursive calls. It can complicate tailcallelim andDan Gohman2010-04-161-0/+7
| | | | | | | dependent analyses, and increase code size, so doing it profitably would require more complex heuristics. llvm-svn: 101471
* Refine the detection of seemingly infinitely recursive calls where theDan Gohman2010-04-161-9/+21
| | | | | | | callee is expected to be expanded to something else by codegen, so that normal infinitely recursive calls are still transformed. llvm-svn: 101468
* reapply r101434Gabor Greif2010-04-1641-541/+538
| | | | | | | | | | | | | with a fix for self-hosting rotate CallInst operands, i.e. move callee to the back of the operand array the motivation for this patch are laid out in my mail to llvm-commits: more efficient access to operands and callee, faster callgraph-construction, smaller compiler binary llvm-svn: 101465
* Make callIsSmall accessible as a utility function.Dan Gohman2010-04-161-4/+4
| | | | llvm-svn: 101463
* Fix SCEVCommutativeExpr::print to be robust in the case of improperDan Gohman2010-04-161-4/+6
| | | | | | | expression canonicalization. Its job is to print what's there, not to make judgements about it. llvm-svn: 101461
* The JIT calls TidyLandingPads to tidy up the landing pads. However, because theBill Wendling2010-04-163-7/+16
| | | | | | | | | | | | | | | | JIT doesn't use the MC back-end asm printer to emit labels that it uses, the section for the MCSymbol is never set. And thus the MCSymbol for the EH label isn't marked as "defined". Because of that, TidyLandingPads removes the needed landing pads from the JIT output. This breaks EH for every JIT program. This is a work-around for this limitation. We pass in the label locations map. If the label has a non-zero value, then it was "emitted" by the JIT and TidyLandingPads shouldn't remove that label. A nicer solution would be to mark the MCSymbol as "used" by the JIT and not rely upon the section being set to determine if it's defined or not. llvm-svn: 101453
* Adding support for dag combiner to promote operations for profit. This ↵Evan Cheng2010-04-163-6/+90
| | | | | | | | | | requires target specific queries. For example, x86 should promote i16 to i32 when it does not impact load folding. x86 support is off by default. It can be enabled with -promote-16bit. Work in progress. llvm-svn: 101448
* Use getAL() rather than a major constant.Evan Cheng2010-04-161-9/+9
| | | | llvm-svn: 101446
* Refine further the scope where the global DebugLoc value is active.Dan Gohman2010-04-161-7/+5
| | | | llvm-svn: 101443
* Silence an unused variable warning.Eric Christopher2010-04-161-1/+1
| | | | llvm-svn: 101438
* fix comment noticed by BobChris Lattner2010-04-161-1/+1
| | | | llvm-svn: 101437
* back out r101423 and r101397, they break llvm-gcc self-host on darwin10Gabor Greif2010-04-1641-536/+539
| | | | llvm-svn: 101434
* fix PR6832: we were using the alignment of a pointer when we Chris Lattner2010-04-161-6/+4
| | | | | | wanted the alignment of the pointee. llvm-svn: 101432
* improve comments.Chris Lattner2010-04-161-47/+70
| | | | llvm-svn: 101429
* pull all the ConvertToScalarInfo code together into oneChris Lattner2010-04-161-562/+568
| | | | | | place. llvm-svn: 101427
* more refactoring: suck some stuff out of SRoA into Chris Lattner2010-04-161-88/+96
| | | | | | ConvertToScalarInfo. llvm-svn: 101425
* shift intrinsic operandGabor Greif2010-04-161-1/+1
| | | | llvm-svn: 101423
* introduce a new ConvertToScalarInfo struct to simplify Chris Lattner2010-04-151-62/+83
| | | | | | | CanConvertToScalar/MergeInType. Eliminate a pointless LLVMContext argument to MergeInType. llvm-svn: 101422
* Avoid sinking machine instructions into a loop.Jakob Stoklund Olesen2010-04-151-0/+11
| | | | | | | | | | MachineLoopInfo is already available when MachineSinking runs, so the check is free. There is no test case because it would require a critical edge into a loop, and CodeGenPrepare splits those. This check is just to be extra careful. llvm-svn: 101420
* Fixed a bug in ARM disassembly where LDRSBT should have am3offset operand, notJohnny Chen2010-04-151-1/+1
| | | | | | am2offset. Modified the instruction table entry and added a new test case. llvm-svn: 101415
* Use default lowering of DYNAMIC_STACKALLOC. As far as I can tell, ARM isle ↵Evan Cheng2010-04-152-62/+1
| | | | | | is doing the right thing and codegen looks correct for both Thumb and Thumb2. llvm-svn: 101410
* tidy interface to isOnlyCopiedFromConstantGlobalChris Lattner2010-04-151-15/+14
| | | | llvm-svn: 101405
* reapply r101364, which has been backed out in r101368Gabor Greif2010-04-1540-540/+537
| | | | | | | | | | | | | with a fix rotate CallInst operands, i.e. move callee to the back of the operand array the motivation for this patch are laid out in my mail to llvm-commits: more efficient access to operands and callee, faster callgraph-construction, smaller compiler binary llvm-svn: 101397
* Fix PR6847. RegScavenger should ignore DebugValues.Jakob Stoklund Olesen2010-04-151-0/+3
| | | | llvm-svn: 101392
* Make sure the initialization of a GC root is after its definition.Nicolas Geoffray2010-04-151-3/+4
| | | | llvm-svn: 101388
* Revert r100896 and around - this breaks the only mingw32 buildbot we have.Anton Korobeynikov2010-04-151-2/+2
| | | | llvm-svn: 101387
* prune includesGabor Greif2010-04-151-2/+0
| | | | llvm-svn: 101385
* ARM SelectDYN_ALLOC should emit a copy from SP rather than referencing SP ↵Evan Cheng2010-04-151-1/+1
| | | | | | | | directly. In cases where there are two dyn_alloc in the same BB it would have caused the old SP value to be reused and badness ensues. rdar://7493908 llvm is generating poor code for dynamic alloca, I'll fix that later. llvm-svn: 101383
* DEBUG() print out "Unknown format" msg.Johnny Chen2010-04-151-1/+3
| | | | llvm-svn: 101382
* ReuseFrameIndexVals is used in multiple files, so it can't be static.Dan Gohman2010-04-152-3/+9
| | | | llvm-svn: 101379
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