gcc/testsuite/gcc.dg/ipa/pr90555.c

   1 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-fopenmp-simd -O2 -mavx512f -fdump-ipa-icf-optimized" } */
   3
   4 #define N 1024
   5 int a[N];
   6
   7 void
   8 test_simdlen1 (void)
   9 {
  10   int i;
  11   #pragma omp simd simdlen (4)
  12   for (i = 0; i < N; ++i)
  13     a[i] = a[i] + 1;
  14 }
  15
  16 void
  17 test_simdlen2 (void)
  18 {
  19   int i;
  20   #pragma omp simd simdlen (8)
  21   for (i = 0; i < N; ++i)
  22     a[i] = a[i] + 1;
  23 }
  24
  25 void
  26 test_safelen1 (void)
  27 {
  28   int i;
  29   #pragma omp simd safelen (4)
  30   for (i = 0; i < N; ++i)
  31     a[i] = a[i] + 1;
  32 }
  33
  34 void
  35 test_safelen2 (void)
  36 {
  37   int i;
  38   #pragma omp simd safelen (8)
  39   for (i = 0; i < N; ++i)
  40     a[i] = a[i] + 1;
  41 }
  42
  43 int d[1024];
  44
  45 int
  46 test_simduid1 (int j, int b)
  47 {
  48   int l, c = 0;
  49 #pragma omp simd reduction(+: c)
  50   for (l = 0; l < b; ++l)
  51     c += d[j + l];
  52   return c;
  53 }
  54
  55 int
  56 test_simduid2 (int j, int b)
  57 {
  58   int l, c2 = 0;
  59 #pragma omp simd reduction(+: c2)
  60   for (l = 0; l < b; ++l)
  61     c2 += d[j + l];
  62   return c2;
  63 }
  64
  65 /* { dg-final { scan-ipa-dump "Semantic equality hit:test_simduid1/\[0-9+\]+->test_simduid2/\[0-9+\]+" "icf"  } } */
  66 /* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf"  } } */