<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - r361050 causes assertions with vector floats"
href="https://bugs.llvm.org/show_bug.cgi?id=45298">45298</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>r361050 causes assertions with vector floats
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>LLVM Codegen
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>smeenai@fb.com
</td>
</tr>
<tr>
<th>CC</th>
<td>a.bataev@hotmail.com, gribozavr@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
</td>
</tr></table>
<p>
<div>
<pre>$ cat reduced.cpp
typedef float float4 __attribute__((vector_size(16)));
template <typename T>
struct S {
T k1 = T(0);
};
template <typename T>
class C {
float4 f(float4 x) {
return (float)s.k1 * x;
}
S<T> s;
};
$ clang -cc1 -emit-llvm -o /dev/null reduced.cpp
clang: /home/smeenai/llvm-project/clang/lib/AST/ExprConstant.cpp:13547: bool
clang::Expr::EvaluateAsFloat(llvm::APFloat &, const clang::ASTContext &,
clang::Expr::SideEffectsKind, bool) const: Assertion `!isValueDependent() &&
"Expression evaluator can't be called on a dependent expression."' failed.
This was broken by r361050 and is still broken on trunk.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>