Nadav Rotem
f7737b5baa
Force a fixed unroll count on the target independent tests.
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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
5e9efa10fc
Loop Vectorize: optimize the vectorization of trunc(induction_var). The truncation is now done on scalars.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169904 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11 18:58:10 +00:00
Nadav Rotem
50bec6f8c4
LoopVectorizer: Add a basic cost model which uses the VTTI interface.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166620 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24 20:36:32 +00:00
Nadav Rotem
bb950854ac
Fix a bug in the vectorization of wide load/store operations.
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We used a SCEV to detect that A[X] is consecutive. We assumed that X was
the induction variable. But X can be any expression that uses the induction
for example: X = i + 2;
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166388 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-21 06:49:10 +00:00
