[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-float-256.ll:4
@@ +3,3 @@
+declare double @llvm.hsum.f64.v8f64(<8 x double>)
+
+define double @test2_hsum_float_f64(<8 x double> %a1) {
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The test file is vec-hadd-float-256 yet you are testing a 512 bit vector? Change to <4 x double>


http://reviews.llvm.org/D10964