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3 Commits

Author SHA1 Message Date
Nadav Rotem
f7737b5baa Force a fixed unroll count on the target independent tests. 
This should fix clang-native-arm-cortex-a9. Thanks Renato.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171582 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-05 00:58:48 +00:00
Nadav Rotem
f6088d126e Add support for reduction variables when IF-conversion is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169288 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-04 18:17:33 +00:00
Nadav Rotem
319d594e22 Add the last part that is needed for vectorization of if-converted code. 
Added the code that actually performs the if-conversion during vectorization.

We can now vectorize this code:

for (int i=0; i<n; ++i) {
  unsigned k = 0;

  if (a[i] > b[i])   <------ IF inside the loop.
    k = k * 5 + 3;

  a[i] = k;          <---- K is a phi node that becomes vector-select.
}



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169217 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-04 06:15:11 +00:00