Revert of [turbofan] Constant propagation for JumpIfFalse/JumpIfTrue.

src/compiler/simplified-lowering.cc

Index: src/compiler/simplified-lowering.cc
diff --git a/src/compiler/simplified-lowering.cc b/src/compiler/simplified-lowering.cc
index 5f9cafe89f6645892c9d9a16315431a533855620..9126c2a2821c41fb8dd7cc2053d33ff740a96906 100644
--- a/src/compiler/simplified-lowering.cc
+++ b/src/compiler/simplified-lowering.cc
@@ -894,7 +894,6 @@
   // Helper for handling selects.
   void VisitSelect(Node* node, Truncation truncation,
                    SimplifiedLowering* lowering) {
-    DCHECK(TypeOf(node->InputAt(0))->Is(Type::Boolean()));
     ProcessInput(node, 0, UseInfo::Bool());
 
     MachineRepresentation output =
@@ -1425,12 +1424,10 @@
         return;
       }
 
-      case IrOpcode::kBranch: {
-        DCHECK(TypeOf(node->InputAt(0))->Is(Type::Boolean()));
+      case IrOpcode::kBranch:
         ProcessInput(node, 0, UseInfo::Bool());
         EnqueueInput(node, NodeProperties::FirstControlIndex(node));
         return;
-      }
       case IrOpcode::kSwitch:
         ProcessInput(node, 0, UseInfo::TruncatingWord32());
         EnqueueInput(node, NodeProperties::FirstControlIndex(node));