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81b61c0e50
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Sanjay Patel 81b61c0e50 [X86, SSE] instcombine common cases of insertps intrinsics into shuffles 
This is very similar to D8486 / r232852 (vperm2). If we treat insertps intrinsics
as shufflevectors, we can optimize them better.

I've left all but the full zero case of the zero mask variants out of this patch. 
I don't think those can be converted into a single shuffle in all cases, but I'd
be happy to be proven wrong as I was for vperm2f128.

Either way, we'd need to support whatever sequence we come up with for those cases
in the backend before converting them here.

Differential Revision: http://reviews.llvm.org/D8833



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235124 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-16 17:52:13 +00:00
..
Analysis DebugInfo: Gut DIType and subclasses 2015-04-16 01:01:28 +00:00
AsmParser DebugInfo: Remove 'inlinedAt:' field from MDLocalVariable 2015-04-15 22:29:27 +00:00
Bitcode DebugInfo: Remove 'inlinedAt:' field from MDLocalVariable 2015-04-15 22:29:27 +00:00
CodeGen [WinEH] Handle a landingpad, resume, and cleanup all rolled into a BB 2015-04-16 17:02:23 +00:00
DebugInfo Use 'override/final' instead of 'virtual' for overridden methods 2015-04-11 02:11:45 +00:00
ExecutionEngine Revert "[RuntimeDyldELF] Fold Placeholder into Addend" 2015-04-16 08:58:15 +00:00
Fuzzer
IR DebugInfo: Allow DebugLocs to be constructed from const 2015-04-16 16:56:29 +00:00
IRReader
LineEditor
Linker DebugInfo: Gut DISubprogram and DILexicalBlock* 2015-04-14 03:40:37 +00:00
LTO uselistorder: Remove the global bits 2015-04-15 03:14:06 +00:00
MC Write section and section table entries in the same order. 2015-04-15 13:07:47 +00:00
Object Change range-based for-loops to be -Wrange-loop-analysis clean. 2015-04-15 01:21:15 +00:00
Option
Passes
ProfileData
Support Fix lib\support\Windows/TimeValue.inc(48): warning C4189: 2015-04-15 07:45:52 +00:00
TableGen Remove empty non-virtual destructors or mark them =default when non-public 2015-04-11 15:32:26 +00:00
Target [AArch64] Add v8.1a "Virtualization Host Extensions" 2015-04-16 15:38:58 +00:00
Transforms [X86, SSE] instcombine common cases of insertps intrinsics into shuffles 2015-04-16 17:52:13 +00:00
CMakeLists.txt
LLVMBuild.txt
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