[llvm] r227319 - Fix LLVMSetMetadata and LLVMAddNamedMetadataOperand for single value MDNodes

[Hans Wennborg]

Merged in r227475 and r227477, respectively.

Cheers,
Hans

On Thu, Jan 29, 2015 at 9:29 AM, Duncan P. N. Exon Smith
<dexonsmith at apple.com> wrote:
> SGTM!
>
>> On 2015-Jan-29, at 09:09, Hans Wennborg <hans at chromium.org> wrote:
>>
>> Björn asked for this and r227339 to be merged to 3.6. Duncan, does
>> this sound OK to you?
>>
>> On Wed, Jan 28, 2015 at 8:36 AM, Bjorn Steinbrink <bsteinbr at gmail.com> wrote:
>>> Author: bsteinbr
>>> Date: Wed Jan 28 10:35:59 2015
>>> New Revision: 227319
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=227319&view=rev
>>> Log:
>>> Fix LLVMSetMetadata and LLVMAddNamedMetadataOperand for single value MDNodes
>>>
>>> Summary:
>>> MetadataAsValue uses a canonical format that strips the MDNode if it
>>> contains only a single constant value. This triggers an assertion when
>>> trying to cast the value to a MDNode.
>>>
>>> Subscribers: llvm-commits
>>>
>>> Differential Revision: http://reviews.llvm.org/D7165
>