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2011-11-13Add support for emitting both signed- and zero-extend loads. Fix Chad Rosier
SimplifyAddress to handle either a 12-bit unsigned offset or the ARM +/-imm8 offsets (addressing mode 3). This enables a load followed by an integer extend to be folded into a single load. For example: ldrb r1, [r0] ldrb r1, [r0] uxtb r2, r1 => mov r3, r2 mov r3, r1 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144488 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13Prune more RALinScan. RALinScan was also here!NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144487 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13More dead code elimination in VirtRegMap.Jakob Stoklund Olesen
This thing is looking a lot like a virtual register map now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144486 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13Stop tracking spill slot uses in VirtRegMap.Jakob Stoklund Olesen
Nobody cared, StackSlotColoring scans the instructions to find used stack slots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144485 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13Remove dead code and data from VirtRegMap.Jakob Stoklund Olesen
Most of this stuff was supporting the old deferred spill code insertion mechanism. Modern spillers just edit machine code in place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144484 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13Stop tracking unused registers in VirtRegMap.Jakob Stoklund Olesen
The information was only used by the register allocator in StackSlotColoring. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144482 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13Remove the -color-ss-with-regs option.Jakob Stoklund Olesen
It was off by default. The new register allocators don't have the problems that made it necessary to reallocate registers during stack slot coloring. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144481 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13Delete VirtRegRewriter.Jakob Stoklund Olesen
And there was much rejoicing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144480 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13Switch PBQP to VRM's trivial rewriter.Jakob Stoklund Olesen
The very complicated VirtRegRewriter is going away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144479 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Delete the old spilling framework from LiveIntervalAnalysis.Jakob Stoklund Olesen
This is dead code, all register allocators use InlineSpiller. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144478 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Delete the 'standard' spiller with used the old spilling framework.Jakob Stoklund Olesen
The current register allocators all use the inline spiller. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144477 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Switch PBQP to the modern InlineSpiller framework.Jakob Stoklund Olesen
It is worth noting that the old spiller would split live ranges around basic blocks. The new spiller doesn't do that. PBQP should do its own live range splitting with SplitEditor::splitSingleBlock() if desired. See RAGreedy::tryBlockSplit(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144476 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Delete the linear scan register allocator.Jakob Stoklund Olesen
RegAllocGreedy has been the default for six months now. Deleting RegAllocLinearScan makes it possible to also delete VirtRegRewriter and clean up the spiller code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144475 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Remove histogram tests.Jakob Stoklund Olesen
Counting the number of occurences of each opcode is not a useful test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144474 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12RAGreedy is better about hinting now.Jakob Stoklund Olesen
Or maybe we are just getting lucky. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144473 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Linear scan is going away.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144472 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12XFAIL test that depends on linear scan to remove dead code.Jakob Stoklund Olesen
Filed PR11364 to track the problem. Should the register allocator eliminate dead code? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144471 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Remove obsolete test.Jakob Stoklund Olesen
This test was committed with a bugfix to RemoveCopyByCommutingDef, but that optimization is no longer triggered by this test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144470 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Remove obsolete test.Jakob Stoklund Olesen
This test is for a very specific LocalRewriter bug. LocalRewriter is going away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144469 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Remove obsolete test.Jakob Stoklund Olesen
I don't think this test does what is was supposed to do, and LocalRewriter is going away anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144463 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Eliminate more linear scan tests.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144462 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Switch a couple -O0 tests to RABasic.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144461 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Switch a few tests off linearscan.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144460 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Delete old test of a VirtRegRewriter feature.Jakob Stoklund Olesen
This test doesn't expose the issue with RAGreedy. I filed PR11363 to track the missing InlineSpiller feature. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144459 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Remove old test that doesn't make sense.Jakob Stoklund Olesen
The test is checking that the output doesn't contains any 'mov ' strings. It does contain movl, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144458 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Add more AVX2 shift lowering support. Move AVX2 variable shift to use ↵Craig Topper
patterns instead of custom lowering code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144457 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Don't try to loop on iterators that are potentially invalidated inside the ↵Nick Lewycky
loop. Fixes PR11361! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144454 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Fix typo.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144453 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Implement Mips64's handling of byval arguments in LowerCall.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144452 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Fixed the MCJIT so that it can emit not only instanceSean Callanan
methods but also class methods for Objective-C. Clang emits Objective-C method names with '\1' at the beginning, and the JIT has pre-existing logic to try prepending a '\1' when searching a module for an instance method (that is, a method whose name begins with '-'). I simply extended it to do the same thing when it encountered a class method (a method whose name begins with '+'). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Implement Mips64's handling of byval arguments in LowerFormalArguments.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144449 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-1264-bit arbitrary immediate pattern.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144448 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Function for handling byval arguments.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144447 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12LLVMBuild: Add info for gtest.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144445 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12build: Attempt to rectify inconsistencies between CMake and LLVMBuild ↵Daniel Dunbar
versions of explicit dependencies. - The hope is that we have a tool/test to verify these are accurate (and tight) soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144444 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Make sure scalarrepl picks the correct alloca when it rewrites a bitcast. ↵Eli Friedman
Fixes PR11353. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144442 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12The dwarf standard says that the only differences between a out-of-lineRafael Espindola
instance and a concrete inlined instance are the use of DW_TAG_subprogram instead of DW_TAG_inlined_subroutine and the who owns the tree. We were also omitting DW_AT_inline from the abstract roots. To fix this, make sure we mark abstract instance roots with DW_AT_inline even when we have only out-of-line instances referring to them with DW_AT_abstract_origin. FileCheck is not a very good tool for tests like this, maybe we should add a -verify mode to llvm-dwarfdump. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144441 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12ARM refactor simple immediate asm operand render methods.Jim Grosbach
These immediate operands all use the same simple logic for rendering to MCInst, so have them share the method for doing so. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144439 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Don't try to form pre/post-indexed loads/stores until after LegalizeDAG ↵Eli Friedman
runs. Fixes PR11029. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144438 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12Re-apply 144430, this time with the associated isel and disassmbler bits.Jim Grosbach
Original commit msg: 'ARM assembly parsing for VST1 two-register encoding.' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144437 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-12build/Make: Define a TARGET_NATIVE_ARCH variable to be a bit more precise thanDaniel Dunbar
ARCH, which gets tested in many more contexts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144434 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11Some cleanup and bulletproofing for node replacement in LegalizeDAG. To ↵Eli Friedman
maintain LegalizeDAG invariants, whenever we a node is replaced, we must attempt to delete it, and if it still has uses after it is replaced (which can happen in rare cases due to CSE), we must revisit it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144432 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11Oops. Missed the isel half of this. revert while I sort that out.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144431 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11ARM assembly parsing for VST1 two-register encoding.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144430 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11ARM optional size suffix for VLDR/VSTR syntax.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144427 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11Add support in fast-isel for selecting memset/memcpy/memmove intrinsics.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144426 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11Loosen test by using REs. Approved by Devang.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144425 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11CMake: Fix CMake build for new Mips tblgen file.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144423 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11ARM vldm and vstm VFP instructions can take a data type suffix.Jim Grosbach
It's ignored by the assembler when present, but is legal syntax. Other instructions have something similar, but for some mnemonics it's only sometimes not significant, so this quick check in the parser will need refactored into something more robust soon-ish. This gets some basics working in the meantime. Partial for rdar://10435264 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144422 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11build/Make: Change llvm-config-2 to be compiled as a build tool.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144421 91177308-0d34-0410-b5e6-96231b3b80d8
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