From c128e70ff2fdb5a72fa958c5c429a3f442a6decc Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 12 Jul 2010 18:02:04 +0000
Subject: Add a lint check for mismatched return types, inspired by PR6944.

llvm-svn: 108162
---
 llvm/lib/Analysis/Lint.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'llvm/lib/Analysis/Lint.cpp')

diff --git a/llvm/lib/Analysis/Lint.cpp b/llvm/lib/Analysis/Lint.cpp
index 60654e61701..9f1b30d2cf4 100644
--- a/llvm/lib/Analysis/Lint.cpp
+++ b/llvm/lib/Analysis/Lint.cpp
@@ -225,6 +225,10 @@ void Lint::visitCallSite(CallSite CS) {
             "Undefined behavior: Call argument count mismatches callee "
             "argument count", &I);
 
+    Assert1(FT->getReturnType() == I.getType(),
+            "Undefined behavior: Call return type mismatches "
+            "callee return type", &I);
+
     // Check argument types (in case the callee was casted) and attributes.
     // TODO: Verify that caller and callee attributes are compatible.
     Function::arg_iterator PI = F->arg_begin(), PE = F->arg_end();
-- 
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