From f355c3ff08710ac2eba3aac2aacc5e65caa06b4c Mon Sep 17 00:00:00 2001
From: Roland Levillain <rpl@google.com>
Date: Wed, 30 Mar 2016 19:09:03 +0100
Subject: Fix Boolean to integral types conversions.

Bug: 27616343
Change-Id: I050f92045bca1b8b5d6da53547cc617f17be84b1
---
 compiler/optimizing/graph_checker.cc | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'compiler/optimizing/graph_checker.cc')

diff --git a/compiler/optimizing/graph_checker.cc b/compiler/optimizing/graph_checker.cc
index f2e77e28a6..c790d013b5 100644
--- a/compiler/optimizing/graph_checker.cc
+++ b/compiler/optimizing/graph_checker.cc
@@ -1005,4 +1005,19 @@ void GraphChecker::VisitBoundType(HBoundType* instruction) {
   }
 }
 
+void GraphChecker::VisitTypeConversion(HTypeConversion* instruction) {
+  VisitInstruction(instruction);
+  Primitive::Type result_type = instruction->GetResultType();
+  Primitive::Type input_type = instruction->GetInputType();
+  // Invariant: We should never generate a conversion to a Boolean value.
+  if (result_type == Primitive::kPrimBoolean) {
+    AddError(StringPrintf(
+        "%s %d converts to a %s (from a %s).",
+        instruction->DebugName(),
+        instruction->GetId(),
+        Primitive::PrettyDescriptor(result_type),
+        Primitive::PrettyDescriptor(input_type)));
+  }
+}
+
 }  // namespace art
-- 
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