Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/tree-prof/pr63581.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-require-effective-target freorder } /* { dg-options "-O2 -g -fno-peel-loops" } */ struct page { int i; } global; __attribute__((noinline)) static struct page* find_page1 (int i) { if ( i< 150) return 0; global.i = i; return &global; } __attribute__((noinline)) static struct page* find_page2 (int i) { global.i = i; return &global; } volatile int ii; __attribute__((noinline)) static int zero (void) { return ii; } static inline int uptodate (struct page* p) { return (p->i < 709); } static struct page* bar(int i) { struct page *page; repeat: page = find_page1 (i); if (!page) { page = find_page2 (i); if (!page) return 0; if (zero () ) { zero (); goto repeat; } } return page; } __attribute__((noinline)) int foo (int n) { struct page *page; retry: page = bar (n); if (page == 0) return 0; if (uptodate (page)) goto out; zero (); if (page->i < 0) { zero (); goto retry; } out: return 1; } __attribute__((noinline)) int hot (void) { int i; int sum = 0; for (i = 0; i < 433038; i++) sum+=i; return sum; } int main(void) { int i; global.i = hot (); for (i = 0; i < 858; i++) foo (i); return 0; }