[PATCH] D17899: [x86, AVX] optimize masked loads with constant masks

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 8 03:29:43 PST 2016


RKSimon added inline comments.

================
Comment at: lib/Target/X86/X86ISelLowering.cpp:27256
@@ +27255,3 @@
+/// Convert a masked load with a constant mask and a real (not undefined)
+/// pass-through operand into a masked load and a shuffle.
+static SDValue
----------------
Why is it important that we don't blend with an undefined pass-through?


http://reviews.llvm.org/D17899





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