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authorCristian Cadar <cristic@cs.stanford.edu>2009-06-04 06:51:12 +0000
committerCristian Cadar <cristic@cs.stanford.edu>2009-06-04 06:51:12 +0000
commite3bca69757a80b46d743195944fed6481dec7e4f (patch)
tree5e22dc79b1117d328cc8cd356687ceb180d2d5dc /lib/Expr
parente8d9177a1533411eb53593c7a16cfa6c188952c9 (diff)
downloadklee-e3bca69757a80b46d743195944fed6481dec7e4f.tar.gz
Fixed a bug in Kleaver's parser: APInt does not allow "truncation" to
the same width.  Added a test case that was previously triggering an
assert violation.


git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72850 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Expr')
-rw-r--r--lib/Expr/Parser.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Expr/Parser.cpp b/lib/Expr/Parser.cpp
index 9e1849ae..3bbe3334 100644
--- a/lib/Expr/Parser.cpp
+++ b/lib/Expr/Parser.cpp
@@ -1224,7 +1224,10 @@ ExprResult ParserImpl::ParseNumberToken(Expr::Width Type, const Token &Tok) {
   if (HasMinus)
     Val = -Val;
 
-  return ExprResult(ConstantExpr::alloc(Val.trunc(Type).getZExtValue(), Type));
+  if (Type < Val.getBitWidth())
+    Val = Val.trunc(Type);
+
+  return ExprResult(ConstantExpr::alloc(Val.getZExtValue(), Type));
 }
 
 /// ParseTypeSpecifier - Parse a type specifier.