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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