[PATCH] D10964: [Codegen] Add intrinsics 'hsum*' and corresponding SDNodes for horizontal sum operation.

[Simon Pilgrim via llvm-commits]

RKSimon added inline comments.

================
Comment at: test/CodeGen/X86/vec-hadd-int-256.ll:14
@@ +13,2 @@
+  ret i64 %1
+}
----------------
This codegen is the same as for the test1_hsum_int_i64 <2x i64> version in vec-hadd-int-128.ll - something is going wrong. You probably should compare against codegen from a AVX2 target.


http://reviews.llvm.org/D10964