Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/pr21985.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-do compile } */ /* { dg-options "-O1 -fdump-tree-optimized" } */ struct { struct { int a; int b; } a[100]; } a; typedef __SIZE_TYPE__ size_t; void foo(size_t); size_t *bar (void); int main (void) { size_t *b = bar (); /* This should be folded. */ foo (&a.a[50].a - &a.a[33].b); foo ((size_t) &a.a[50].b - (size_t) &a); /* And this should not. */ foo ((size_t) &b - (size_t) b); return 0; } /* Two of the calls to foo should be folded to just foo(constant). */ /* { dg-final { scan-tree-dump-times "foo \\(\[0-9\]*\\)" 2 "optimized" } } */