Add a few more costs.

Author: chriselrod

src/costs.jl

@@ -142,10 +142,16 @@ const COST = Dict{Symbol,InstructionCost}(
     :reduced_prod => InstructionCost(4,0.5),# ignoring reduction part of cost, might be nop
     :reduce_to_add => InstructionCost(0,0.0,0.0,0),
     :reduce_to_prod => InstructionCost(0,0.0,0.0,0),
+    :abs => InstructionCost(1, 0.5),
     :abs2 => InstructionCost(4,0.5),
     :vabs2 => InstructionCost(4,0.5),
     :(==) => InstructionCost(1, 0.5),
+    :(!=) => InstructionCost(1, 0.5),
+    :(isnan) => InstructionCost(1, 0.5),
+    :(isfinite) => InstructionCost(2, 1.0),
+    :(isinf) => InstructionCost(2, 1.0),
     :isequal => InstructionCost(1, 0.5),
+    :(!) => InstructionCost(1, 0.5),
     :(~) => InstructionCost(1, 0.5),
     :(&) => InstructionCost(1, 0.5),
     :(|) => InstructionCost(1, 0.5),
@@ -341,7 +347,15 @@ const FUNCTIONSYMBOLS = IdDict{Type{<:Function},Instruction}(
     typeof(SIMDPirates.vdiv) => :(/),
     typeof(Base.FastMath.div_fast) => :(/),
     typeof(==) => :(==),
+    typeof(!=) => :(!=),
     typeof(isequal) => :isequal,
+    typeof(isnan) => :isnan,
+    typeof(isinf) => :isinf,
+    typeof(isfinite) => :isfinite,
+    typeof(abs) => :abs,
+    typeof(abs2) => :abs2,
+    typeof(~) => :(~),
+    typeof(!) => :(!),
     typeof(&) => :(&),
     typeof(|) => :(|),
     typeof(⊻) => :(⊻),