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papat
2013 May 16
1
[LLVMdev] Undoing DAG Combiner patterns
A better way to handle this is to a td pattern to match "add n, -c" to a subtraction. I believe several targets do something similar to this.
Evan
On May 16, 2013, at 7:12 AM, Tom Stellard <tom at stellard.net> wrote:
> On Thu, May 16, 2013 at 02:03:14AM +0000, Martin Filteau wrote:
>> Hi all,
>>
>> It's the first LLVM backend we do for our asynchronous