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Author	SHA1	Message	Date
Bob Wilson	324f4f1633	Recognize canonical forms of vector shuffles where the same vector is used for both source operands. In the canonical form, the 2nd operand is changed to an undef and the shuffle mask is adjusted to only reference elements from the 1st operand. Radar 7434842. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90417 91177308-0d34-0410-b5e6-96231b3b80d8	2009-12-03 06:40:55 +00:00

Author

SHA1

Message

Date

Bob Wilson

324f4f1633

Recognize canonical forms of vector shuffles where the same vector is used for

both source operands.  In the canonical form, the 2nd operand is changed to an
undef and the shuffle mask is adjusted to only reference elements from the 1st
operand.  Radar 7434842.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90417 91177308-0d34-0410-b5e6-96231b3b80d8

2009-12-03 06:40:55 +00:00

1 Commits