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11d77223a5
llvm-6502/lib
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Sanjay Patel 11d77223a5 [X86, AVX] use blends instead of insert128 with index 0 
Another case of x86-specific shuffle strength reduction:
avoid generating insert*128 instructions with index 0 because
they are slower than their non-lane-changing blend equivalents.

Shuffle lowering already catches most of these cases, but
the zero vector case and some other paths such as in the
modified test in vector-shuffle-256-v32.ll were getting
through.

Differential Revision: http://reviews.llvm.org/D8366


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232773 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-19 22:29:40 +00:00
..
Analysis [SCEV] Make isImpliedCond smarter. 2015-03-18 00:41:29 +00:00
AsmParser AsmParser: Stop requiring 'name:' when it's not printed 2015-03-16 19:01:54 +00:00
Bitcode Internalize BitcodeReader. Not used outside of BitcodeReader.cpp. 2015-03-17 20:40:24 +00:00
CodeGen Verifier: Remove the separate -verify-di pass 2015-03-19 22:24:17 +00:00
DebugInfo DWARFFormValue: Add getAsSignedConstant method. 2015-03-04 22:07:41 +00:00
ExecutionEngine Fix uses of reserved identifiers starting with an underscore followed by an uppercase letter 2015-03-16 18:06:57 +00:00
Fuzzer [sanitizer/coverage] Add AFL-style coverage counters (search heuristic for fuzzing). 2015-03-03 23:27:02 +00:00
IR Verifier: Remove the separate -verify-di pass 2015-03-19 22:24:17 +00:00
IRReader Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
LineEditor Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Linker DataLayout is mandatory, update the API to reflect it with references. 2015-03-10 02:37:25 +00:00
LTO Verifier: Remove the separate -verify-di pass 2015-03-19 22:24:17 +00:00
MC Split the object streamer callback in one per file format. 2015-03-19 01:50:16 +00:00
Object Be lazy about loading metadata in IRObjectFile. 2015-03-13 21:54:20 +00:00
Option Teach Twine to support SmallString. 2015-03-17 09:51:17 +00:00
Passes [PM] Fixup for r231556 where I missed a dependency on intrinsics 2015-03-07 09:08:20 +00:00
ProfileData InstrProf: Fix CoverageMappingReader on big endian 2015-03-16 21:40:18 +00:00
Support Note that we don't support COFF on PPC. 2015-03-19 02:40:56 +00:00
TableGen Add missing includes. make_unique proliferated everywhere. 2015-03-01 21:28:53 +00:00
Target [X86, AVX] use blends instead of insert128 with index 0 2015-03-19 22:29:40 +00:00
Transforms Verifier: Remove the separate -verify-di pass 2015-03-19 22:24:17 +00:00
CMakeLists.txt [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00
LLVMBuild.txt [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00
Makefile [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00