Merge pull request #8718 from ethereum/irConstants

IR generation for constants.

test/libsolidity/semanticTests/accessor/accessor_for_const_state_variable.sol

@@ -1,6 +1,7 @@
 contract Lotto {
     uint256 public constant ticketPrice = 555;
 }
-
+// ====
+// compileViaYul: also
 // ----
 // ticketPrice() -> 555

test/libsolidity/semanticTests/builtinFunctions/assignment_to_const_var_involving_keccak.sol

@@ -5,5 +5,7 @@ contract C {
         return x;
     }
 }
+// ====
+// compileViaYul: also
 // ----
 // f() -> 0x4e03657aea45a94fc7d47ba826c8d667c0d1e6e33a64a036ec44f58fa12d6c45

test/libsolidity/semanticTests/constants/constant_string.sol

@@ -16,6 +16,8 @@ contract C {
     }
 }
 
+// ====
+// compileViaYul: also
 // ----
 // f() -> 0x20, 3, "\x03\x01\x02"
 // g() -> 0x20, 3, "\x03\x01\x02"

test/libsolidity/semanticTests/constants/simple_constant_variables_test.sol

@@ -6,5 +6,7 @@ contract Foo {
     uint256 constant x = 56;
 }
 
+// ====
+// compileViaYul: also
 // ----
 // getX() -> 56

test/libsolidity/semanticTests/intheritance/inherited_constant_state_var.sol

@@ -9,5 +9,7 @@ contract B is A {
     }
 }
 
+// ====
+// compileViaYul: also
 // ----
 // f() -> 7

test/libsolidity/semanticTests/various/assignment_to_const_var_involving_expression.sol

@@ -6,5 +6,7 @@ contract C {
     }
 }
 
+// ====
+// compileViaYul: also
 // ----
 // f() -> 0x57a