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916731afee
llvm-mirror/test
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Michael Zolotukhin 916731afee [SLP] Don't vectorize loads of non-packed types (like i1, i2). 
Summary:
Given an array of i2 elements, 4 consecutive scalar loads will be lowered to
i8-sized loads and thus will access 4 consecutive bytes in memory. If we
vectorize these loads into a single <4 x i2> load, it'll access only 1 byte in
memory. Hence, we should prohibit vectorization in such cases.

PS: Initial patch was proposed by Arnold.

Reviewers: aschwaighofer, nadav, hfinkel

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D13277

llvm-svn: 248943
2015-09-30 21:05:43 +00:00
..
Analysis [ARM][NEON] Use address space in vld([1234]|[234]lane) and vst([1234]|[234]lane) instructions 2015-09-30 10:56:37 +00:00
Assembler [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
Bindings Add a way to skip the Go bindings tests even when Go is configured in 2015-09-10 05:47:43 +00:00
Bitcode [Bitcode][Asm] Teach LLVM to read and write operand bundles. 2015-09-24 23:34:52 +00:00
BugPoint Make the default triple optional by allowing an empty string 2015-09-16 05:34:32 +00:00
CodeGen [AArch64] Remove an unnecessary restriction on pre-index instructions. 2015-09-30 19:44:40 +00:00
DebugInfo Move dw_op_minus test to DebugInfo/X86. 2015-09-30 20:23:24 +00:00
Examples Disable llvm/test/Examples/ for now while investigating. 2015-08-28 03:32:43 +00:00
ExecutionEngine [RuntimeDyld] Support non-zero addends for the MachO X86_64 SUBTRACTOR reloc. 2015-09-10 21:05:58 +00:00
Feature HHVM calling conventions. 2015-09-29 22:09:16 +00:00
FileCheck
Instrumentation Put profile variables of COMDAT functions to it's own COMDAT group. 2015-09-23 22:40:45 +00:00
Integer
JitListener DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
LibDriver
Linker Make the default triple optional by allowing an empty string 2015-09-16 05:34:32 +00:00
LTO Make the default triple optional by allowing an empty string 2015-09-16 05:34:32 +00:00
MC [ARM] Support for ARMv6-Z / ARMv6-ZK missing 2015-09-30 17:25:52 +00:00
Object Avoid SEGFAULT if a requested symbol section is absent. 2015-09-21 19:17:18 +00:00
Other Make the default triple optional by allowing an empty string 2015-09-16 05:34:32 +00:00
SymbolRewriter [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00
TableGen [TableGen] Allow TokenTy in intrinsic signatures 2015-09-02 13:36:25 +00:00
tools http://reviews.llvm.org/D13145 2015-09-30 00:42:46 +00:00
Transforms [SLP] Don't vectorize loads of non-packed types (like i1, i2). 2015-09-30 21:05:43 +00:00
Unit
Verifier [Bitcode][Asm] Teach LLVM to read and write operand bundles. 2015-09-24 23:34:52 +00:00
YAMLParser
.clang-format
CMakeLists.txt [CMake] Update LLVM_TEST_DEPENDS not to use macho-dump. It has been unused since r247235. 2015-09-19 07:19:30 +00:00
lit.cfg Remove macho-dump. Its functionality is now covered by llvm-readobj. 2015-09-22 17:46:10 +00:00
lit.site.cfg.in Add a way to skip the Go bindings tests even when Go is configured in 2015-09-10 05:47:43 +00:00
Makefile Add a way to skip the Go bindings tests even when Go is configured in 2015-09-10 05:47:43 +00:00
Makefile.tests
TestRunner.sh