Andrea Di Biagio 6ec3395335 [X86] Teach the backend how to fold target specific dag node for packed ... vector shift by immedate count (VSHLI/VSRLI/VSRAI) into a build_vector when the vector in input to the shift is a build_vector of all constants or UNDEFs. Target specific nodes for packed shifts by immediate count are in general introduced by function 'getTargetVShiftByConstNode' (in X86ISelLowering.cpp) when lowering shift operations, SSE/AVX immediate shift intrinsics and (only in very few cases) SIGN_EXTEND_INREG dag nodes. This patch adds extra rules for simplifying vector shifts inside function 'getTargetVShiftByConstNode'. Added file test/CodeGen/X86/vec_shift5.ll to verify that packed shifts by immediate are correctly folded into a build_vector when the input vector to the shift dag node is a vector of constants or undefs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198113 91177308-0d34-0410-b5e6-96231b3b80d8		2013-12-28 11:11:52 +00:00
..
Analysis
Assembler
Bindings	Update the ML test to expect the new string format of getStringRepresentation.	2013-12-19 23:38:09 +00:00
Bitcode	Ensure bitcode encoding of calling conventions stays stable. Patch by Boaz Ouriel.	2013-12-22 07:51:53 +00:00
BugPoint
CodeGen	[X86] Teach the backend how to fold target specific dag node for packed	2013-12-28 11:11:52 +00:00
DebugInfo	llvm-symbolizer: add --obj flag to specify a single object file that should be symbolized.	2013-12-24 19:33:22 +00:00
ExecutionEngine
Feature
FileCheck
Instrumentation	[ASan] Fix the tests broken by r198018 to check for private linkage of ASan-generated globals.	2013-12-25 17:06:04 +00:00
Integer
JitListener
Linker
LTO
MC	AsmParser: cleanup diagnostics for .rep/.rept	2013-12-28 06:39:29 +00:00
Object
Other
TableGen	FileCheckize r197869	2013-12-22 03:43:58 +00:00
tools	Teach the llvm-readobj COFF dumper to dump debug line tables from object files	2013-12-19 11:37:14 +00:00
Transforms	Disable transforms that introduce calls to exp10*() on Linux due to	2013-12-28 02:40:19 +00:00
Unit
Verifier	Begin adding docs and IR-level support for the inalloca attribute	2013-12-19 02:14:12 +00:00
YAMLParser
.clang-format
CMakeLists.txt
lit.cfg
lit.site.cfg.in
Makefile
Makefile.tests
TestRunner.sh