7e1084d36c
Vectorizer: fix a bug in the classification of induction/reduction phis.
...
llvm-svn: 166384
2012-10-21 02:38:01 +00:00
e5dc57d4fb
Fix an infinite loop in the loop-vectorizer.
...
PR14134.
llvm-svn: 166379
2012-10-20 20:45:01 +00:00
d189b82a9b
Vectorize: teach cavVectorizeMemory to distinguish between A[i]+=x and A[B[i]]+=x.
...
If the pointer is consecutive then it is safe to read and write. If the pointer is non-loop-consecutive then
it is unsafe to vectorize it because we may hit an ordering issue.
llvm-svn: 166371
2012-10-20 08:26:33 +00:00
4f7f72702b
Vectorizer: Add support for loop reductions.
...
For example:
for (i=0; i<n; i++)
sum += A[i] + B[i] + i;
llvm-svn: 166351
2012-10-19 23:05:40 +00:00
ced93f3a05
vectorizer: Add support for reading and writing from the same memory location.
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llvm-svn: 166255
2012-10-19 01:24:18 +00:00
b52f717411
Vectorizer: Add support for loops with an unknown count. For example:
...
for (i=0; i<n; i++){
a[i] = b[i+1] + c[i+3];
}
llvm-svn: 166165
2012-10-18 05:29:12 +00:00
6b94c2a09b
Add a loop vectorizer.
...
llvm-svn: 166112
2012-10-17 18:25:06 +00:00
Nadav Rotem