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2011-08-10Cleanup. Remove an extraneous GraphTraits specialization.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137264 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10ARM tests for LDRHT assembly parsing and encoding.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137263 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10test/CodeGen/X86/opt-shuff-tstore.ll: Add explicit -mtriple=x86_64-linux.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137262 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10ARM tests for LDRH(register) assembly parsing and encoding.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137261 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10ARM LDRH(immediate) assembly parsing and encoding support.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137260 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Add FIXMEJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137258 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10ARM LDRD(register) assembly parsing and encoding.Jim Grosbach
Add support for literal encoding of #-0 along the way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137254 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Distinguish between two copies of one inlined variable. Take 2.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137253 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10While extending definition range of a debug variable, consult lexical scopes ↵Devang Patel
also. There is no point extending debug variable out side its lexical block. This provides 6x compile time speedup in some cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137250 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Revert unintentional parts of previous check-in.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137249 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Start using LexicalScopes utility. No intetional functionality change.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137246 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Fix typo. Not quite sure how that slipped in there.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137245 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10ARM LDRD(immediate) assembly parsing and encoding support.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137244 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Changes per Jeffrey's comments.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137243 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Fix the test. Add cpu target.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137241 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10When performing a truncating store, it is sometimes possible to rearrange theNadav Rotem
data in-register prior to saving to memory. When we reorder the data in memory we prevent the need to save multiple scalars to memory, making a single regular store. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137238 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Provide utility to extract and use lexical scoping information from machine ↵Devang Patel
instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137237 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Add initial support for decoding NEON instructions in Thumb2 mode.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137236 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Make Record Name an InitDavid Greene
Use an Init (ultimately a StringInit) to represent the Record name. This allows the name to be composed by standard TableGen operators. This will enable us to get rid of the ugly #NAME# hack processing and naturally replace it with operators. It also increases flexibility and power of the TableGen language by allowing record identifiers to be computed dynamically. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137232 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Add getAsUnquotedStringDavid Greene
Add a method to return an Init as an unquoted string. This primarily affects StringInit where we return the value without surrounding it with quotes. This is in preparation for removing the ugly #NAME# hack and replacing it with standard TabelGen operators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137231 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Comments. Thanks for the spell check Nick!Andrew Trick
Also, my apologies for spoiling the autocomplete on SimplifyInstructions.cpp. I couldn't think of a better filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137229 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10The following X86 pattern is incorrect:Bruno Cardoso Lopes
def : Pat<(X86Movss VR128:$src1, (bc_v4i32 (v2i64 (load addr:$src2)))), (MOVLPSrm VR128:$src1, addr:$src2)>; This matches a MOVSS dag with a MOVLPS instruction. However, MOVSS will replace only the low 32 bits of the register, while the MOVLPS instruction will replace the low 64 bits. A testcase is added and illustrates the bug and also modified the one that was already present. Patch by Tanya Lattner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137227 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Whitespace.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137226 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Tabs --> spaces.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137225 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Cleanups based on Nick Lewycky's feedback.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137224 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Rewrite some ARM InstrInfo functions to be most accepting of arbitrary ↵Owen Anderson
register subclasses. Hopefully this fixes some buildbots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137223 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Add support for the R and Q constraints.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137217 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Clarify a comment.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137204 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Invoke SimplifyIndVar when we partially unroll a loop. Fixes PR10534.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137203 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Cleanup. Make ScalarEvolution an explicit argument of theAndrew Trick
SimplifyIndVar utility since it is required. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137202 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10SimplifyIndVar: make foldIVUser iterative to fold a chain of operands.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137199 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Update CMake build.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137198 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Added a SimplifyIndVar utility to simplify induction variable usersAndrew Trick
based on ScalarEvolution without changing the induction variable phis. This utility is the main tool of IndVarSimplifyPass, but the pass also restructures induction variables in strange ways that are sensitive to pass ordering. This provides a way for other loop passes to simplify new uses of induction variables created during transformation. The utility may be used by any pass that preserves ScalarEvolution. Soon LoopUnroll will use it. The net effect in this checkin is to cleanup the IndVarSimplify pass by factoring out the SimplifyIndVar algorithm into a standalone utility. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137197 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Cleanup. Added LoopBlocksDFS::perform for simple clients.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137195 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Fix a bug in vpermilps mask checking. Fix PR10560Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137194 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Remove the build_unwind function from the OCaml bindings.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137193 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Preserve the name for this variant of IRBuilder::CreateCallPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137192 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Cleanup. Avoid relying on specialization of std::distance.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137191 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Fix the LoopUnroller to handle nontrivial loops and partial unrolling.Andrew Trick
These are not individual bug fixes. I had to rewrite a good chunk of the unroller to make it sane. I think it was getting lucky on trivial completely unrolled loops with no early exits. I included some fairly simple unit tests for partial unrolling. I didn't do much stress testing, so it may not be perfect, but should be usable now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137190 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Push GPRnopc through a large number of instruction definitions to tighten ↵Owen Anderson
operand decoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137189 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Update comment.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137188 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09clang is the new black.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137187 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Trim an unneeded header.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137184 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Promote VMOVS to VMOVD when possible.Jakob Stoklund Olesen
On Cortex-A8, we use the NEON v2f32 instructions for f32 arithmetic. For better latency, we also send D-register copies down the NEON pipeline by translating them to vorr instructions. This patch promotes even S-register copies to D-register copies when possible so they can also go down the NEON pipeline. Example: vldr.32 s0, LCPI0_0 loop: vorr d1, d0, d0 loop2: ... vadd.f32 d1, d1, d16 The vorr instruction looked like this after regalloc: %S2<def> = COPY %S0, %D1<imp-def> Copies involving odd S-registers, and copies that don't define the full D-register are left alone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137182 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Tighten operand checking of register-shifted-register operands.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137180 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Add 256-bit support for v8i32, v4i64 and v4f64 ISD::SELECT. Fix PR10556Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137179 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Fix minor typo.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137177 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Tighten operand checking on memory barrier instructions.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137176 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09VMCore/BasicBlock.cpp: Don't assume BasicBlock::iterator might end with a ↵NAKAMURA Takumi
non-PHInode Instruction in successors. Frontends(eg. clang) might pass incomplete form of IR, to step off the way beyond iterator end. In the case I had met, it took infinite loop due to meeting bogus PHInode. Thanks to Jay Foad and John McCall. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137175 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09Fix whitespace.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137174 91177308-0d34-0410-b5e6-96231b3b80d8
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