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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang crashes when incrementing a vector by a float scalar"
href="https://bugs.llvm.org/show_bug.cgi?id=43969">43969</a>
</td>
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<tr>
<th>Summary</th>
<td>Clang crashes when incrementing a vector by a float scalar
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>C
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>marksl@synopsys.com
</td>
</tr>
<tr>
<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=22793" name="attach_22793" title="Same f.c source as exists in the description">attachment 22793</a> <a href="attachment.cgi?id=22793&action=edit" title="Same f.c source as exists in the description">[details]</a></span>
Same f.c source as exists in the description
#include "float.h"
typedef short v2i16 __attribute__((vector_size(4)));
typedef int v2i32 __attribute__((vector_size(8)));
typedef long long v2i64 __attribute__((vector_size(16)));
typedef short v4i16 __attribute__((vector_size(8)));
typedef int v4i32 __attribute__((vector_size(16)));
typedef char v8i8 __attribute__((vector_size(8)));
typedef short v8i16 __attribute__((vector_size(16)));
typedef char v16i8 __attribute__((vector_size(16)));
void func(TYPE a) {
//crash
a+=1.0f;
a-=1.0f;
//OK
a+=1;
a-=1;
}
//Executing clang -DTYPE=v2i32 f.c
// clang-8:
/slowfs/us01dwt2p448/hartman/hartman_1/work/llvm-project/llvm/lib/IR/Instructions.cpp:2168:
static llvm::BinaryOperator*
llvm::BinaryOperator::Create(llvm::Instruction::BinaryOps, llvm::Value*,
llvm::Value*, const llvm::Twine&, llvm::Instruction*): Assertion `S1->getType()
== S2->getType() && "Cannot create binary operator with two operands of
differing type!"' failed.</pre>
</div>
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