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Simon Pilgrim d0307f93a7 [DAGCombine] narrowInsertExtractVectorBinOp - add CONCAT_VECTORS support 
We already split extract_subvector(binop(insert_subvector(v,x),insert_subvector(w,y))) -> binop(x,y).

This patch adds support for extract_subvector(binop(concat_vectors(),concat_vectors())) cases as well.

In particular this means we don't have to wait for X86 lowering to convert concat_vectors to insert_subvector chains, which helps avoid some cases where demandedelts/combine calls occur too late to split large vector ops.

The fast-isel-store.ll load folding regression is annoying but I don't think is that critical.

Differential Revision: https://reviews.llvm.org/D63653

llvm-svn: 365785
 		2019-07-11 14:45:03 +00:00
..
Analysis OpaquePtr: switch to GlobalValue::getValueType in a few places. NFC. 2019-07-11 13:13:02 +00:00
AsmParser Add, and infer, a nofree function attribute 2019-07-08 15:57:56 +00:00
BinaryFormat [Object][XCOFF] Add support for 64-bit file header and section header dumping. 2019-07-09 18:09:11 +00:00
Bitcode Revert [BitcodeReader] Validate OpNum, before accessing Record array. 2019-07-11 10:53:40 +00:00
Bitstream [Bitcode] Move Bitstream to a separate library 2019-07-03 22:40:07 +00:00
CodeGen [DAGCombine] narrowInsertExtractVectorBinOp - add CONCAT_VECTORS support 2019-07-11 14:45:03 +00:00
DebugInfo [DwarfDebug] Dump call site debug info 2019-07-09 11:33:56 +00:00
Demangle llvm-undname: Correctly demangle vararg parameters 2019-06-04 19:10:08 +00:00
ExecutionEngine [ORC] Add custom IR compiler configuration to LLJITBuilder to enable obj caches. 2019-07-10 17:24:24 +00:00
FuzzMutate [opaque pointer types] Pass value type to LoadInst creation. 2019-02-01 20:44:24 +00:00
Fuzzer
…
IR Replace three "strip & accumulate" implementations with a single one 2019-07-11 01:14:48 +00:00
IRReader [IRReader] Expose getLazyIRModule 2019-02-11 22:01:13 +00:00
LTO [Support] Move llvm::MemoryBuffer to sys::fs::file_t 2019-07-10 00:34:13 +00:00
LineEditor [CMake] Delete redundant DEPENDS/LINK_LIBS from LineEditor/XRay 2019-06-22 01:50:21 +00:00
Linker Reapply: IR: add optional type to 'byval' function parameters 2019-05-30 18:48:23 +00:00
MC Revert "[ELF] Loose a condition for relocation with a symbol" 2019-07-10 18:58:05 +00:00
MCA [MCA] Ignore invalid processor resource writes of zero cycles. NFCI 2019-06-14 13:31:21 +00:00
Object [Support] Move llvm::MemoryBuffer to sys::fs::file_t 2019-07-10 00:34:13 +00:00
ObjectYAML [yaml2obj] - Allow overriding the sh_size field. 2019-07-11 12:59:29 +00:00
Option Let unaliased Args track which Alias they were created from, and use that in Arg::getAsString() for diagnostics 2019-07-09 00:34:08 +00:00
Passes Add a transform pass to make the executable semantics of poison explicit in the IR 2019-07-09 18:49:29 +00:00
ProfileData [Profile] Support raw/indexed profiles larger than 4GB 2019-07-09 22:01:04 +00:00
Remarks [Remarks] Add cl::Hidden to -remarks-yaml-string-table 2019-07-10 15:46:36 +00:00
Support [llvm-objcopy] Don't change permissions of non-regular output files 2019-07-11 10:17:59 +00:00
TableGen TableGen: Handle nontrivial foreach range bounds 2019-05-22 21:28:20 +00:00
Target AMDGPU/GlobalISel: Move kernel argument handling to separate function 2019-07-11 14:18:25 +00:00
Testing [Testing] Move clangd::Annotations to llvm testing support 2019-04-25 10:08:31 +00:00
TextAPI Cleanup: llvm::bsearch -> llvm::partition_point after r364719 2019-06-30 11:19:56 +00:00
ToolDrivers lld, llvm-dlltool, llvm-lib: Use getAsString() instead of getSpelling() for printing unknown args 2019-07-05 12:31:32 +00:00
Transforms [InstCombine] don't move FP negation out of a constant expression 2019-07-11 13:44:29 +00:00
WindowsManifest Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
XRay [Support] Move llvm::MemoryBuffer to sys::fs::file_t 2019-07-10 00:34:13 +00:00
CMakeLists.txt [Bitcode] Move Bitstream to a separate library 2019-07-03 22:40:07 +00:00
LLVMBuild.txt [Bitcode] Move Bitstream to a separate library 2019-07-03 22:40:07 +00:00