actually, his problem is not in wopt, he is asking about the
standalone inliner's loopnest stuff. Frankly, I don't believe loopnest
value can be set without the right analysis.
Sun
On Wed, Jul 21, 2010 at 11:07 PM, Gautam Chakrabarti
<gautam.c...@yahoo.com> wrote:
> Hi,
>
> I am not sure why you are seeing no DO_LOOP/WHILE_DO. Generation of WHILE_DO
> does not depend on WOPT, so even if you compile with -O0 -ipa, you should
> still see WHILE_DO. If you compile with just -ipa (which invokes the
> preoptimizer before IPA), you should see DO_LOOP in the code.
>
> What options are you using, and what compiler version?
>
> Gautam
>
> ________________________________
> From: Gang Yu <yugang...@gmail.com>
> To: open64-devel@lists.sourceforge.net
> Sent: Wed, July 21, 2010 6:29:53 PM
> Subject: [Open64-devel] loopnest in inliner
>
> Hi, all:
>
> I am just get in trouble in ipa inliner. As you know, there is a
> variable *loopnest* in Summary_Callsite which indicates the loopnest of the
> callsite. loopnest is obtained on up-traversel the whirl
> tree(ipl_summary_template.h). However, since the IPA is before wopt phase,
> the whirl could not generate any OPR_DO_LOOP,OPR_WHILE_DO, so, anytime I
> get loopnest always be 0. Does anyone previously meet the problem? Thanks
> for your correction and advice.
>
> Thanks for your attentions!
>
> Below is a test case:
>
> int x;
> int y=5;
>
> static int foo(int x){
> int i;
> int sum;
> for(i=x;i<x+2;i++){
> sum+=i;
> }
> return sum;
> }
>
>
>
> int main(int argc, char* argv[]){
> int j;
> int i;
> if (y>=1){
> x=5;
> for(i=0;i<10;i++)
> for(j=0;j<2;j++){
> x=foo(x);
> }
> }
> }
>
> Gang
>
>
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