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* Do some simple copy propagation through integer loads and stores when promotingCameron Zwarich2011-03-293-10/+68
| | | | | | | vector types. This helps a lot with inlined functions when using the ARM soft float ABI. Fixes <rdar://problem/9184212>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128453 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't try to add stack protector logic to a dead basic block. It messes upBill Wendling2011-03-291-1/+2
| | | | | | | dominator information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128452 91177308-0d34-0410-b5e6-96231b3b80d8
* Spruce up the error output.Bill Wendling2011-03-291-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128451 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle the special case when all uses follow the last split point.Jakob Stoklund Olesen2011-03-291-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128450 91177308-0d34-0410-b5e6-96231b3b80d8
* Properly enable rematerialization when spilling after live range splitting.Jakob Stoklund Olesen2011-03-293-71/+129
| | | | | | | | The instruction to be rematerialized may not be the one defining the register that is being spilled. The traceSiblingValue() function sees through sibling copies to find the remat candidate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128449 91177308-0d34-0410-b5e6-96231b3b80d8
* C-API: Include DataTypes.h instead of stdint.h.Daniel Dunbar2011-03-291-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128446 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce test case.Rafael Espindola2011-03-291-53/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128445 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimizing (zext A + zext B) * C, to (VMULL A, C) + (VMULL B, C) during ↵Evan Cheng2011-03-292-15/+110
| | | | | | | | | | | | | | | | | | | | isel lowering to fold the zero-extend's and take advantage of no-stall back to back vmul + vmla: vmull q0, d4, d6 vmlal q0, d5, d6 is faster than vaddl q0, d4, d5 vmovl q1, d6 vmul q0, q0, q1 This allows us to vmull + vmlal for: f = vmull_u8( vget_high_u8(s), c); f = vmlal_u8(f, vget_low_u8(s), c); rdar://9197392 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128444 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the MSVC build.Francois Pichet2011-03-291-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128441 91177308-0d34-0410-b5e6-96231b3b80d8
* Expoert c interface for disassembler.Devang Patel2011-03-292-1/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128440 91177308-0d34-0410-b5e6-96231b3b80d8
* In some cases, the "fail BB dominator" may be null after the BB was split (andBill Wendling2011-03-282-2/+19
| | | | | | | | becomes reachable when before it wasn't). Check to make sure that it's not null before trying to use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128434 91177308-0d34-0410-b5e6-96231b3b80d8
* Integrated-As: Add support for setting the AllowTemporaryLabels flag viaDaniel Dunbar2011-03-283-0/+16
| | | | | | integrated-as. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128431 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Add support for disabling "temporary label" behavior. Useful for debuggingDaniel Dunbar2011-03-284-3/+52
| | | | | | on Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128430 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak CMake build.Ted Kremenek2011-03-281-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128426 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove scripts used by TEST=dbg from here. They now live inside llvm test suite.Devang Patel2011-03-282-364/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128425 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix ARM disassembly for PLD/PLDW/PLI which suffers from code rot and add ↵Johnny Chen2011-03-283-5/+27
| | | | | | | | | some test cases. Add comments to ThumbDisassemblerCore.h for recent change made for t2PLD disassembly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128417 91177308-0d34-0410-b5e6-96231b3b80d8
* Again adding a C API to the disassembler for use by such tools as Darwin'sKevin Enderby2011-03-283-0/+365
| | | | | | | | | | | | otool(1), this time with the needed fix for case sensitive file systems :) . This is a work in progress as the interface for producing symbolic operands is not done. But a hacked prototype using information from the object file's relocation entiries and replacing immediate operands with MCExpr's has been shown to work with no changes to the instrucion printer. These APIs will be moved into a dynamic library at some point. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128415 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove tabs I accidentally added.Nick Lewycky2011-03-281-15/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128413 91177308-0d34-0410-b5e6-96231b3b80d8
* Make more use of PHINode::getNumIncomingValues().Jay Foad2011-03-282-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128406 91177308-0d34-0410-b5e6-96231b3b80d8
* ptx: clean up branch code a bitChe-Liang Chiou2011-03-283-16/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128405 91177308-0d34-0410-b5e6-96231b3b80d8
* docs/GettingStarted.html: [PR8850] Add a note for x86_64-w64-mingw32.NAKAMURA Takumi2011-03-281-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128404 91177308-0d34-0410-b5e6-96231b3b80d8
* docs/GettingStarted.html: Add blurb "--enable-shared" on cygming.NAKAMURA Takumi2011-03-281-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128403 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some debug output when -instcombine uses RAUW. This can make debug ↵Frits van Bommel2011-03-271-1/+4
| | | | | | output for those cases much clearer since without this it only showed that the original instruction was removed, not what it was replaced with. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128399 91177308-0d34-0410-b5e6-96231b3b80d8
* Amend debug output.Jakob Stoklund Olesen2011-03-271-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128398 91177308-0d34-0410-b5e6-96231b3b80d8
* Drop interference reassignment in favor of eviction.Jakob Stoklund Olesen2011-03-271-132/+15
| | | | | | | | | The reassignment phase was able to move interference with a higher spill weight, but it didn't happen very often and it was fairly expensive. The existing interference eviction picks up the slack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128397 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the transformation that moves binary operators around selects to preserveNick Lewycky2011-03-272-8/+34
| | | | | | | the subclass optional data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128388 91177308-0d34-0410-b5e6-96231b3b80d8
* Use APInt's umul_ov instead of rolling our own overflow detection.Benjamin Kramer2011-03-271-5/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128380 91177308-0d34-0410-b5e6-96231b3b80d8
* Constant folding support for calls to umul.with.overflow(), basically ↵Frits van Bommel2011-03-274-11/+52
| | | | | | identical to the smul.with.overflow() code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128379 91177308-0d34-0410-b5e6-96231b3b80d8
* Partially revert commit 127155: I think it is much more convenientDuncan Sands2011-03-271-9/+26
| | | | | | | | to have structured log files rather than one big file produced by piping output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128378 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a small missed optimization: turn X == C ? X : Y into X == C ? C : Y. ThisNick Lewycky2011-03-272-0/+26
| | | | | | | | | | | removes one use of X which helps it pass the many hasOneUse() checks. In my analysis, this turns up very often where X = A >>exact B and that can't be simplified unless X has one use (except by increasing the lifetime of A which is generally a performance loss). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128373 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix whitespace.NAKAMURA Takumi2011-03-271-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128370 91177308-0d34-0410-b5e6-96231b3b80d8
* Use individual register classes when spilling snippets.Jakob Stoklund Olesen2011-03-262-24/+28
| | | | | | | | | The main register class may have been inflated by live range splitting, so that register class is not necessarily valid for the snippet instructions. Use the original register class for the stack slot interval. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128351 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn SelectionDAGBuilder::GetRegistersForValue into a local function.Benjamin Kramer2011-03-262-19/+16
| | | | | | | | It couldn't be used outside of the file because SDISelAsmOperandInfo is local to SelectionDAGBuilder.cpp. Making it a static function avoids a weird linkage dance. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128342 91177308-0d34-0410-b5e6-96231b3b80d8
* Make helper static.Benjamin Kramer2011-03-261-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128338 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplification noticed by Frits.Bill Wendling2011-03-261-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128333 91177308-0d34-0410-b5e6-96231b3b80d8
* Rework the logic that determines if a store completely overlaps an ealier store.Bill Wendling2011-03-261-15/+23
| | | | | | | | | | | | There are two ways that a later store can comletely overlap a previous store: 1. They both start at the same offset, but the earlier store's size is <= the later's size, or 2. The earlier store's offset is > the later's offset, but it's offset + size doesn't extend past the later's offset + size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128332 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo and add a test.Cameron Zwarich2011-03-262-1/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128331 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend Clang's TableGen emitter for attributes to support bool arguments.Douglas Gregor2011-03-261-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128330 91177308-0d34-0410-b5e6-96231b3b80d8
* Collect and coalesce DBG_VALUE instructions before emitting the function.Jakob Stoklund Olesen2011-03-264-111/+192
| | | | | | | | | | | Correctly terminate the range of register DBG_VALUEs when the register is clobbered or when the basic block ends. The code is now ready to deal with variables that are sometimes in a register and sometimes on the stack. We just need to teach emitDebugLoc to say 'stack slot'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128327 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed the t2PLD and friends disassembly and add two test cases.Johnny Chen2011-03-263-10/+45
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128322 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the bfi handling for or (and a mask) (and b mask). We need the twoEric Christopher2011-03-262-9/+21
| | | | | | | | | | | | | | | masks to match inversely for the code as is to work. For the example given we actually want: bfi r0, r2, #1, #1 not #0, however, given the way the pattern is written it's not possible at the moment. Fixes rdar://9177502 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128320 91177308-0d34-0410-b5e6-96231b3b80d8
* PR9561: A store with a negative offset (via GEP) could erroniously say that itBill Wendling2011-03-262-0/+24
| | | | | | | | completely overlaps a previous store, thus mistakenly deleting that store. Check for this condition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128319 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the files for r128308 as it is causing a buildbot failure.Kevin Enderby2011-03-263-365/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128309 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding a C API to the disassembler for use by such tools as Darwin's otool(1).Kevin Enderby2011-03-263-0/+365
| | | | | | | | | | | This is a work in progress as the interface for producing symbolic operands is not done. But a hacked prototype using information from the object file's relocation entiries and replacing immediate operands with MCExpr's has been shown to work with no changes to the instrucion printer. These APIs will be moved into a dynamic library at some point. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128308 91177308-0d34-0410-b5e6-96231b3b80d8
* Add test for A8.6.246 UMULL to both arm-tests.txt amd thumb-tests.txt.Johnny Chen2011-03-252-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128306 91177308-0d34-0410-b5e6-96231b3b80d8
* Add two test cases t2SMLABT and t2SMMULR for DisassembleThumb2Mul().Johnny Chen2011-03-251-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128305 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix DisassembleThumb2DPReg()'s handling of RegClass. Cannot hardcode ↵Johnny Chen2011-03-252-6/+15
| | | | | | | | | | | GPRRegClassID. Also add some test cases. rdar://problem/9189829 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128304 91177308-0d34-0410-b5e6-96231b3b80d8
* DisassembleThumb2LdSt() did not handle t2LDRs correctly with respect to ↵Johnny Chen2011-03-252-2/+9
| | | | | | | | | RegClass. Add two test cases. rdar://problem/9182892 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128299 91177308-0d34-0410-b5e6-96231b3b80d8
* A8.6.226 TBB, TBH:Johnny Chen2011-03-251-0/+6
| | | | | | | Add two test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128295 91177308-0d34-0410-b5e6-96231b3b80d8
* Modify DisassembleThumb2LdStEx() to be more robust/correct in light of ↵Johnny Chen2011-03-252-6/+12
| | | | | | | | | recent change to t2LDREX/t2STREX instructions. Add two test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128293 91177308-0d34-0410-b5e6-96231b3b80d8
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