[PATCH] D17181: [X86] Don't turn (c?-v:v) into (c?-v:0) by blindly using PSIGN.

[Ahmed Bougacha via llvm-commits]

ab added inline comments.

================
Comment at: test/CodeGen/X86/vec-sign.ll:7
@@ -6,2 +6,3 @@
 ; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    por {{.*}}(%rip), %xmm1
 ; CHECK-NEXT:    psignd %xmm1, %xmm0
----------------
This isn't very helpful; I'll try to look into getting some CP verbose printing.


http://reviews.llvm.org/D17181