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2012-09-06Disable stack coloring by default in order to resolve the i386 failures.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163316 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06AVX2 optimization.Elena Demikhovsky
Added generation of VPSHUB instruction for <32 x i8> vector shuffle when possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163312 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Fix a few old-GCC warnings. No functional change.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Fix self-host; ensure signedness is consistent.James Molloy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163306 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Fix switch_to_lookup_table.ll test from r163302.Hans Wennborg
The lookup tables did not get built in a deterministic order. This makes them get built in the order that the corresponding phi nodes were found. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163305 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Improve codegen for BUILD_VECTORs on ARM.James Molloy
If we have a BUILD_VECTOR that is mostly a constant splat, it is often better to splat that constant then insertelement the non-constant lanes instead of insertelementing every lane from an undef base. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163304 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Build lookup tables for switches (PR884)Hans Wennborg
This adds a transformation to SimplifyCFG that attemps to turn switch instructions into loads from lookup tables. It works on switches that are only used to initialize one or more phi nodes in a common successor basic block, for example: int f(int x) { switch (x) { case 0: return 5; case 1: return 4; case 2: return -2; case 5: return 7; case 6: return 9; default: return 42; } This speeds up the code by removing the hard-to-predict jump, and reduces code size by removing the code for the jump targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163302 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Add a new optimization pass: Stack Coloring, that merges disjoint static ↵Nadav Rotem
allocations (allocas). Allocas are known to be disjoint if they are marked by disjoint lifetime markers (@llvm.lifetime.XXX intrinsics). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163299 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Optimize codegen for VSETLNi{8,16,32} operating on Q registers. Degenerate ↵James Molloy
to a VSETLN on D registers, instead of an (INSERT_SUBREG (VSETLN (EXTRACT_SUBREG ))) sequence to help the register coalescer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163298 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Remove duplicated helper functionMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163295 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Use iPTR instead of i32 for extract_subvector/insert_subvector index in ↵Craig Topper
lowering and patterns. This makes it consistent with the incoming DAG nodes from the DAG builder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163293 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Add patterns for converting stores of subvector_extracts of lower 128-bits ↵Craig Topper
of a 256-bit vector to VMOVAPSmr/VMOVUPSmr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163292 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Whitespace.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163289 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Unix/Signals.inc: Fix a typo. Thanks to Dani Berg!NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163288 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06There are some Mips instructions that are lowered by the Jack Carter
assembler such as shifts greater than 32. In the case of direct object, the code gen needs to do this lowering since the assembler is not involved. With the advent of the llvm-mc assembler, it also needs to do the same lowering. This patch makes that specific lowering code accessible to both the direct object output and the assembler. This patch does not affect generated output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163287 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Update function names to conform to guidelines.Jim Grosbach
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163279 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Mips specific llvm assembler support for branch and jump instructions.Jack Carter
Test case included. Contributer: Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163277 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Remove predicated pseudo-instructions.Jakob Stoklund Olesen
These pseudos are no longer needed now that it is possible to represent predicated instructions in SSA form. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163275 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Use predication instead of pseudo-opcodes when folding into MOVCC.Jakob Stoklund Olesen
Now that it is possible to dynamically tie MachineInstr operands, predicated instructions are possible in SSA form: %vreg3<def> = SUBri %vreg1, -2147483647, pred:14, pred:%noreg, %opt:%noreg %vreg4<def,tied1> = MOVCCr %vreg3<tied0>, %vreg1, %pred:12, pred:%CPSR Becomes a predicated SUBri with a tied imp-use: SUBri %vreg1, -2147483647, pred:13, pred:%CPSR, opt:%noreg, %vreg1<imp-use,tied0> This means that any instruction that is safe to move can be folded into a MOVCC, and the *CC pseudo-instructions are no longer needed. The test case changes reflect that Thumb2SizeReduce recognizes the predicated instructions. It didn't understand the pseudos. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163274 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Use the asm dialect from the MI to set the parser dialect.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163273 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05JumpThreading: when default destination is the destination of some cases in aManman Ren
switch, make sure we include the value for the cases when calculating edge value from switch to the default destination. rdar://12241132 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163270 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Mips specific llvm assembler support for ALU instructions. This includesJack Carter
register support. Test case included. Contributer: Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163268 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Cleanup a few magic numbers.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163263 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Stop casting away const qualifier needlessly.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163258 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] We only need one bit to represent the AsmDialect in theChad Rosier
MachineInstr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163257 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Constify this properly. Found by gcc48 -Wcast-qual.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163256 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Mark checkSignature const, and in turn stop casting away const fromRoman Divacky
ArchiveMemberHeader. Found by gcc48 -Wcast-qual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163255 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Constify SDNodeIterator an stop its only non-const user being cast strippedRoman Divacky
of its constness. Found by gcc48 -Wcast-qual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163254 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Constify subtarget info properly so that we dont cast away the const inRoman Divacky
the SubtargetInfoKV tables. Found by gcc48 -Wcast-qual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Use const properly so that we dont remove const qualifier from region and MIIRoman Divacky
by casting. Found with gcc48. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163247 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Propagate the asm dialect into the MachineInstr representation.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Move the PPC TOC defs into the PPC64 InstrInfo file.Hal Finkel
Since TOC is just defined for PPC64, move its definition to PPC64 td file. Patch by Adhemerval Zanella. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163234 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Enumerate the InlineAsm dialects and rename the nsdialect toChad Rosier
inteldialect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Strip old MachineInstrs *after* we know we can put them back.Tim Northover
Previous patch accidentally decided it couldn't convert a VFP to a NEON instruction after it had already destroyed the old one. Not a good move. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163230 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Remove unused typedefs gcc4.8 warns about.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163225 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05MCJIT: getPointerToFunction() references target address space.Jim Grosbach
Make sure to return a pointer into the target memory, not the local memory. Often they are the same, but we can't assume that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163217 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Switch BasicAliasAnalysis' cache to SmallDenseMap.Benjamin Kramer
It relies on clear() being fast and the cache rarely has more than 1 or 2 elements, so give it an inline capacity and always shrink it back down in case it grows. DenseMap will grow to 64 buckets which makes clear() a lot slower. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163215 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05LLVM Bug Fix 13709: Remove needless lsr(Rp, #32) instruction access thePranav Bhandarkar
subreg_hireg of register pair Rp. * lib/Target/Hexagon/HexagonPeephole.cpp(PeepholeDoubleRegsMap): New DenseMap similar to PeepholeMap that additionally records subreg info too. (runOnMachineFunction): Record information in PeepholeDoubleRegsMap and copy propagate the high sub-reg of Rp0 in Rp1 = lsr(Rp0, #32) to the instruction Rx = COPY Rp1:logreg_subreg. * test/CodeGen/Hexagon/remove_lsr.ll: New test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163214 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[asan] fix lintKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163205 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Fixed the DAG combiner to better handle the folding of AND nodes for vector ↵Silviu Baranga
types. The previous code was making the assumption that the length of the bitmask returned by isConstantSplat was equal to the size of the vector type. Now we first make sure that the splat value has at least the length of the vector lane type, then we only use as many fields as we have available in the splat value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163203 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[asan] extend the blacklist functionality to handle global-init. Patch by ↵Kostya Serebryany
Reid Watson git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163199 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Remove some of the patterns added in r163196. Increasing the complexity on ↵Craig Topper
insert_subvector into undef accomplishes the same thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163198 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Add patterns for integer forms of VINSERTF128/VINSERTI128 folded with loads. ↵Craig Topper
Also add patterns to turn subvector inserts with loads to index 0 of an undef into VMOVAPS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163196 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Add a FIXME that assumes we maintain backward compatibility until the next ↵Chad Rosier
major release. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163195 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Reorder the comments of EmitExceptionTable.Logan Chien
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163194 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Fix UseInitArray option for MIPS target.Logan Chien
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163193 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Convert vextracti128/vextractf128 intrinsics to extract_subvector at DAG ↵Craig Topper
build time. Similar was previously done for vinserti128/vinsertf128. Add patterns for folding these extract_subvectors with stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163192 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Remove redundant semicolons to fix -pedantic-errors build.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163190 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Fix function name per coding standard.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163187 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05[ms-inline asm] Add support for the nsdialect keyword in the BitcodeChad Rosier
Reader/Writer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163185 91177308-0d34-0410-b5e6-96231b3b80d8
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