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Nemanja Ivanovic d389657399 Vector element extraction without stack operations on Power 8 
This patch corresponds to review:
http://reviews.llvm.org/D12032

This patch builds onto the patch that provided scalar to vector conversions
without stack operations (D11471).
Included in this patch:

    - Vector element extraction for all vector types with constant element number
    - Vector element extraction for v16i8 and v8i16 with variable element number
    - Removal of some unnecessary COPY_TO_REGCLASS operations that ended up
      unnecessarily moving things around between registers

Not included in this patch (will be in upcoming patch):

    - Vector element extraction for v4i32, v4f32, v2i64 and v2f64 with
      variable element number
    - Vector element insertion for variable/constant element number

Testing is provided for all extractions. The extractions that are not
implemented yet are just placeholders.

llvm-svn: 249822
 		2015-10-09 11:12:18 +00:00
..
AArch64 [AArch64] Fold a floating-point divide by power of two into fp conversion. 2015-10-07 17:51:37 +00:00
AMDGPU AMDGPU: Use explicit register size indirect pseudos 2015-10-07 00:42:51 +00:00
ARM ARM: tweak WoA frame lowering 2015-10-09 03:19:03 +00:00
BPF [bpf] Do not expand UNDEF SDNode during insn selection lowering 2015-10-08 18:52:40 +00:00
CPP Fix CPP Backend for GEP API changes for opaque pointer types 2015-09-08 18:42:29 +00:00
Generic Make the default triple optional by allowing an empty string 2015-09-16 05:34:32 +00:00
Hexagon [Hexagon] Add an early if-conversion pass 2015-10-06 15:49:14 +00:00
Inputs DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
MIR Fix PR 24724 - The implicit register verifier shouldn't assume certain operand 2015-09-10 14:04:34 +00:00
MSP430
…
Mips [mips][microMIPS] Fix an issue with selecting sqrt instruction in LLVM backend 2015-10-06 15:17:25 +00:00
NVPTX [NVPTX] Let NVPTX backend detect integer min and max patterns. 2015-08-26 23:22:02 +00:00
PowerPC Vector element extraction without stack operations on Power 8 2015-10-09 11:12:18 +00:00
SPARC [SPARC] Switch to the Machine Scheduler. 2015-09-10 21:49:06 +00:00
SystemZ [SystemZ] Fix another assertion failure in tryBuildVectorShuffle 2015-10-08 17:46:59 +00:00
Thumb [ARM] Modify codegen for memcpy intrinsic to prefer LDM/STM. 2015-10-05 14:49:54 +00:00
Thumb2 [ARM] Use correct half-precision functions in EABI mode 2015-10-07 16:58:49 +00:00
WebAssembly [WebAssembly] Switch to a more traditional assembly syntax 2015-10-06 00:27:55 +00:00
WinEH [WinEH] Fix cleanup state numbering 2015-10-09 00:46:08 +00:00
X86 Revert "Revert "Revert r248959, "[WinEH] Emit int3 after noreturn calls on Win64""" 2015-10-09 01:13:17 +00:00
XCore [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 2015-09-11 03:22:04 +00:00