>> I am not 100% sure, but I think that
>> X86Subtarget::GVRequiresExtraLoad
>> is the place to start looking.
>
> Right. If it's a load from GV and GVRequiresExtraLoad() returns true
> then it's a load from a stub.
>
> Here is something to consider for further enhancement. There are
> potentiall
On Jan 5, 2008, at 12:53 AM, Evan Cheng wrote:
> Right. If it's a load from GV and GVRequiresExtraLoad() returns true
> then it's a load from a stub.
>
Okay. Once I did the check, it now seems to treat the example program:
volatile char G[100];
int B(char *F, int N) {
for (; N > 0; --N)
F[
On Jan 5, 2008, at 12:53 AM, Evan Cheng wrote:
>
> On Jan 5, 2008, at 12:28 AM, Chris Lattner wrote:
>
>>
>> On Jan 4, 2008, at 11:21 PM, Bill Wendling wrote:
>>
>>> On Jan 4, 2008, at 11:02 PM, Chris Lattner wrote:
You aren't looking for loads *from the global*, you're looking for
load
On Jan 5, 2008, at 12:28 AM, Chris Lattner wrote:
>
> On Jan 4, 2008, at 11:21 PM, Bill Wendling wrote:
>
>> On Jan 4, 2008, at 11:02 PM, Chris Lattner wrote:
>>> You aren't looking for loads *from the global*, you're looking for
>>> loads from the *stub for the global*, which are always invarian
On Jan 4, 2008, at 11:21 PM, Bill Wendling wrote:
> On Jan 4, 2008, at 11:02 PM, Chris Lattner wrote:
>> You aren't looking for loads *from the global*, you're looking for
>> loads from the *stub for the global*, which are always invariant.
>> You
>> just need to know whether the load is from
On Jan 4, 2008, at 11:02 PM, Chris Lattner wrote:
> You aren't looking for loads *from the global*, you're looking for
> loads from the *stub for the global*, which are always invariant. You
> just need to know whether the load is from a global or from its stub.
>
Okay. I just don't know how to ch
On Jan 4, 2008, at 10:59 PM, Bill Wendling wrote:
> On Jan 4, 2008, at 10:49 PM, Evan Cheng wrote:
>> Although, isReallySideEffectFree looks wrong. How is this checked?
>> ...
>> Bill, how are you checking the Global address isn't redefined
>> anywhere else?
>>
> How would you suggest I check t
On Jan 4, 2008, at 10:49 PM, Evan Cheng wrote:
> Although, isReallySideEffectFree looks wrong. How is this checked?
> ...
> Bill, how are you checking the Global address isn't redefined
> anywhere else?
>
How would you suggest I check that?
-bw
___
llv
On Jan 4, 2008, at 10:49 PM, Evan Cheng wrote:
>
> On Jan 4, 2008, at 9:19 PM, Chris Lattner wrote:
>
>> Author: lattner
>> Date: Fri Jan 4 23:19:56 2008
>> New Revision: 45620
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=45620&view=rev
>> Log:
>> factor some code better to avoid redundanc
On Jan 4, 2008, at 9:19 PM, Chris Lattner wrote:
> Author: lattner
> Date: Fri Jan 4 23:19:56 2008
> New Revision: 45620
>
> URL: http://llvm.org/viewvc/llvm-project?rev=45620&view=rev
> Log:
> factor some code better to avoid redundancy between
> isReallySideEffectFree and isReallyTriviallyReMa
Author: lattner
Date: Fri Jan 4 23:19:56 2008
New Revision: 45620
URL: http://llvm.org/viewvc/llvm-project?rev=45620&view=rev
Log:
factor some code better to avoid redundancy between
isReallySideEffectFree and isReallyTriviallyReMaterializable. Why is a load
from
a global considered side-effec
11 matches
Mail list logo
