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2011-03-29Do some simple copy propagation through integer loads and stores when promotingCameron Zwarich
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
2011-03-29Don't try to add stack protector logic to a dead basic block. It messes upBill Wendling
dominator information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128452 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-29Spruce up the error output.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-29Handle the special case when all uses follow the last split point.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-29Properly enable rematerialization when spilling after live range splitting.Jakob Stoklund Olesen
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
2011-03-29C-API: Include DataTypes.h instead of stdint.h.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128446 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-29Reduce test case.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128445 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-29Optimizing (zext A + zext B) * C, to (VMULL A, C) + (VMULL B, C) during ↵Evan Cheng
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
2011-03-29Fix the MSVC build.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128441 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-29Expoert c interface for disassembler.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128440 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28In some cases, the "fail BB dominator" may be null after the BB was split (andBill Wendling
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
2011-03-28Integrated-As: Add support for setting the AllowTemporaryLabels flag viaDaniel Dunbar
integrated-as. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128431 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28MC: Add support for disabling "temporary label" behavior. Useful for debuggingDaniel Dunbar
on Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128430 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28Unbreak CMake build.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128426 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28Remove scripts used by TEST=dbg from here. They now live inside llvm test suite.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128425 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28Fix ARM disassembly for PLD/PLDW/PLI which suffers from code rot and add ↵Johnny Chen
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
2011-03-28Again adding a C API to the disassembler for use by such tools as Darwin'sKevin Enderby
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
2011-03-28Remove tabs I accidentally added.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128413 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28Make more use of PHINode::getNumIncomingValues().Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128406 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28ptx: clean up branch code a bitChe-Liang Chiou
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128405 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28docs/GettingStarted.html: [PR8850] Add a note for x86_64-w64-mingw32.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128404 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-28docs/GettingStarted.html: Add blurb "--enable-shared" on cygming.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128403 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Add some debug output when -instcombine uses RAUW. This can make debug ↵Frits van Bommel
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
2011-03-27Amend debug output.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128398 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Drop interference reassignment in favor of eviction.Jakob Stoklund Olesen
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
2011-03-27Teach the transformation that moves binary operators around selects to preserveNick Lewycky
the subclass optional data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128388 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Use APInt's umul_ov instead of rolling our own overflow detection.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128380 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Constant folding support for calls to umul.with.overflow(), basically ↵Frits van Bommel
identical to the smul.with.overflow() code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128379 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Partially revert commit 127155: I think it is much more convenientDuncan Sands
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
2011-03-27Add a small missed optimization: turn X == C ? X : Y into X == C ? C : Y. ThisNick Lewycky
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
2011-03-27Fix whitespace.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128370 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Use individual register classes when spilling snippets.Jakob Stoklund Olesen
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
2011-03-26Turn SelectionDAGBuilder::GetRegistersForValue into a local function.Benjamin Kramer
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
2011-03-26Make helper static.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Simplification noticed by Frits.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128333 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Rework the logic that determines if a store completely overlaps an ealier store.Bill Wendling
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
2011-03-26Fix a typo and add a test.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128331 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Extend Clang's TableGen emitter for attributes to support bool arguments.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Collect and coalesce DBG_VALUE instructions before emitting the function.Jakob Stoklund Olesen
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
2011-03-26Fixed the t2PLD and friends disassembly and add two test cases.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128322 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Fix the bfi handling for or (and a mask) (and b mask). We need the twoEric Christopher
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
2011-03-26PR9561: A store with a negative offset (via GEP) could erroniously say that itBill Wendling
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
2011-03-26Remove the files for r128308 as it is causing a buildbot failure.Kevin Enderby
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128309 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26Adding a C API to the disassembler for use by such tools as Darwin's otool(1).Kevin Enderby
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
2011-03-25Add test for A8.6.246 UMULL to both arm-tests.txt amd thumb-tests.txt.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128306 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Add two test cases t2SMLABT and t2SMMULR for DisassembleThumb2Mul().Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128305 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Fix DisassembleThumb2DPReg()'s handling of RegClass. Cannot hardcode ↵Johnny Chen
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
2011-03-25DisassembleThumb2LdSt() did not handle t2LDRs correctly with respect to ↵Johnny Chen
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
2011-03-25A8.6.226 TBB, TBH:Johnny Chen
Add two test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128295 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Modify DisassembleThumb2LdStEx() to be more robust/correct in light of ↵Johnny Chen
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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