{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RecursiveDo #-}
import AST as K -- K for Kaleidoscope
import Utils
ptrTyp = Type.PointerType typ (AddrSpace 0)
ref = GlobalReference ptrTyp nam
call (ConstantOperand ref) (zip paramOps (repeat []))
+
+buildExpr (If cond thenE elseE) = mdo
+ _ifB <- block `named` "if"
+
+ -- since everything is a double, false == 0
+ let zero = ConstantOperand (Float (Double 0))
+ condV <- buildExpr cond
+ cmp <- fcmp ONE zero condV `named` "cmp"
+
+ condBr cmp thenB elseB
+
+ thenB <- block `named` "then"
+ thenOp <- buildExpr thenE
+ br mergeB
+
+ elseB <- block `named` "else"
+ elseOp <- buildExpr elseE
+ br mergeB
+
+ mergeB <- block `named` "ifcont"
+ phi [(thenOp, thenB), (elseOp, elseB)]