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Dan Gohman 6415b2548e Introduce new SelectionDAG node opcodes VEXTRACT_SUBVECTOR and VCONCAT_VECTORS. Use these for CopyToReg and CopyFromReg legalizing in the case that the full register is to be split into subvectors instead of scalars. This replaces uses of VBIT_CONVERT to present values as vector-of-vector types in order to make whole subvectors accessible via BUILD_VECTOR and EXTRACT_VECTOR_ELT. This is in preparation for adding extended ValueType values, where having vector-of-vector types is undesirable. llvm-svn: 37569	2007-06-13 15:12:02 +00:00
..
llvm	Introduce new SelectionDAG node opcodes VEXTRACT_SUBVECTOR and	2007-06-13 15:12:02 +00:00
llvm-c

Dan Gohman 6415b2548e Introduce new SelectionDAG node opcodes VEXTRACT_SUBVECTOR and

VCONCAT_VECTORS. Use these for CopyToReg and CopyFromReg legalizing in
the case that the full register is to be split into subvectors instead
of scalars. This replaces uses of VBIT_CONVERT to present values as
vector-of-vector types in order to make whole subvectors accessible via
BUILD_VECTOR and EXTRACT_VECTOR_ELT.

This is in preparation for adding extended ValueType values, where
having vector-of-vector types is undesirable.

llvm-svn: 37569

2007-06-13 15:12:02 +00:00

llvm

Introduce new SelectionDAG node opcodes VEXTRACT_SUBVECTOR and

2007-06-13 15:12:02 +00:00

llvm-c