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3 Commits

Author SHA1 Message Date
Sanjay Patel
87c977a52b Rename getMaximumUnrollFactor -> getMaxInterleaveFactor; also rename option names controlling this variable. 
"Unroll" is not the appropriate name for this variable. Clang already uses 
the term "interleave" in pragmas and metadata for this.

Differential Revision: http://reviews.llvm.org/D5066



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217528 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-09-10 17:58:16 +00:00
Arnold Schwaighofer
e96fec2e43 LoopVectorize: Only strip casts from integer types when replacing symbolic 
strides

Fixes PR18480.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199291 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-15 03:35:46 +00:00
Arnold Schwaighofer
ee3f7de62e LoopVectorizer: Handle strided memory accesses by versioning 
for (i = 0; i < N; ++i)
   A[i * Stride1] += B[i * Stride2];

We take loops like this and check that the symbolic strides 'Strided1/2' are one
and drop to the scalar loop if they are not.

This is currently disabled by default and hidden behind the flag
'enable-mem-access-versioning'.

radar://13075509

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198950 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-10 18:20:32 +00:00