[turbofan] Bump control/effect input count size to 32 bits.

I am not committing the regression test from the bug because it takes
ages to run, but I have locally verified that it passes now.

Bug: chromium:776645
Change-Id: Ia7128d9fa3cf864b1c1b646802a973fe41d4c4ae
Reviewed-on: https://chromium-review.googlesource.com/735484Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48893}

src/compiler/operator.cc

@@ -31,8 +31,8 @@ Operator::Operator(Opcode opcode, Properties properties, const char* mnemonic,
       opcode_(opcode),
       properties_(properties),
       value_in_(CheckRange<uint32_t>(value_in)),
-      effect_in_(CheckRange<uint16_t>(effect_in)),
-      control_in_(CheckRange<uint16_t>(control_in)),
+      effect_in_(CheckRange<uint32_t>(effect_in)),
+      control_in_(CheckRange<uint32_t>(control_in)),
       value_out_(CheckRange<uint32_t>(value_out)),
       effect_out_(CheckRange<uint8_t>(effect_out)),
       control_out_(CheckRange<uint32_t>(control_out)) {}

src/compiler/operator.h

@@ -137,8 +137,8 @@ class V8_EXPORT_PRIVATE Operator : public NON_EXPORTED_BASE(ZoneObject) {
   Opcode opcode_;
   Properties properties_;
   uint32_t value_in_;
-  uint16_t effect_in_;
-  uint16_t control_in_;
+  uint32_t effect_in_;
+  uint32_t control_in_;
   uint32_t value_out_;
   uint8_t effect_out_;
   uint32_t control_out_;