[PATCH] D20932: [LV] Use vector vphis for more induction variables

[Elena Demikhovsky via llvm-commits]

delena added inline comments.

================
Comment at: lib/Transforms/Vectorize/LoopVectorize.cpp:4102
@@ -4100,2 +4101,3 @@
     assert(P->getType() == II.getStartValue()->getType() && "Types must match");
-    if (P != OldInduction || VF == 1) {
+    if (VF == 1 || P->getType() != Induction->getType() ||
+        !II.getConstIntStepValue()) {
----------------
If you need only SEXT or TRUNC for a secondary induction variable, you can send the type to widenInductionVariable() in the last parameter.


http://reviews.llvm.org/D20932