Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/ipa/pure-const-3.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 84e7813d76e9 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -fno-ipa-vrp -fdump-tree-optimized" } */ int *ptr; static int barvar; static int b(int a); /* We can not detect A to be const because it may be interposed by unoptimized body. */ inline __attribute__ ((noinline)) int a(int a) { if (a>0) return b(a-1); return *ptr == *ptr; } inline __attribute__ ((noinline)) static int b(int p) { if (p<0) return a(p+1); return 1; } int main() { int aa; ptr = &barvar; aa=!b(3); ptr = 0; return aa; } /* { dg-final { scan-tree-dump "barvar" "optimized" } } */