Binary transform for br and br_if.

test/libyul/ewasmTranslationTests/loop_break.yul

@@ -0,0 +1,13 @@
+{
+  let i := 0
+  for { } lt(i, 10) { i := add(i, 1) } {
+    if eq(i, 3) { break }
+  }
+  sstore(0, i)
+}
+// ----
+// Trace:
+// Memory dump:
+//     20: 0000000000000000000000000000000000000000000000000000000000000003
+// Storage dump:
+//   0000000000000000000000000000000000000000000000000000000000000000: 0000000000000000000000000000000000000000000000000000000000000003

test/libyul/ewasmTranslationTests/loop_continue.yul

@@ -0,0 +1,22 @@
+{
+  let i := 0
+  for { } lt(i, 10) { i := add(i, 1) } {
+    if eq(i, 3) { continue }
+    sstore(add(i, 0x10), i)
+  }
+  sstore(0, i)
+}
+// ----
+// Trace:
+// Memory dump:
+//     20: 000000000000000000000000000000000000000000000000000000000000000a
+// Storage dump:
+//   0000000000000000000000000000000000000000000000000000000000000000: 000000000000000000000000000000000000000000000000000000000000000a
+//   0000000000000000000000000000000000000000000000000000000000000011: 0000000000000000000000000000000000000000000000000000000000000001
+//   0000000000000000000000000000000000000000000000000000000000000012: 0000000000000000000000000000000000000000000000000000000000000002
+//   0000000000000000000000000000000000000000000000000000000000000014: 0000000000000000000000000000000000000000000000000000000000000004
+//   0000000000000000000000000000000000000000000000000000000000000015: 0000000000000000000000000000000000000000000000000000000000000005
+//   0000000000000000000000000000000000000000000000000000000000000016: 0000000000000000000000000000000000000000000000000000000000000006
+//   0000000000000000000000000000000000000000000000000000000000000017: 0000000000000000000000000000000000000000000000000000000000000007
+//   0000000000000000000000000000000000000000000000000000000000000018: 0000000000000000000000000000000000000000000000000000000000000008
+//   0000000000000000000000000000000000000000000000000000000000000019: 0000000000000000000000000000000000000000000000000000000000000009