Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/no-scevccp-outer-4.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 40 int a[N]; /* induction variable k advances through inner and outer loops. */ __attribute__ ((noinline)) int foo (int n){ int i,j,k=0; int sum; if (n<=0) return 0; for (i = 0; i < N; i++) { sum = 0; for (j = 0; j < n; j+=2) { sum += k++; } a[i] = sum + j; } } int main (void) { int i,j,k=0; int sum; check_vect (); for (i=0; i<N; i++) a[i] = i; foo (N); /* check results: */ for (i=0; i<N; i++) { sum = 0; for (j = 0; j < N; j+=2) sum += k++; if (a[i] != sum + j) abort(); } return 0; } /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" { xfail *-*-* } } } */