modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/loop-ivopts-1.c (about) 1 /* From PR 18977. */ 2 void foo(float * x); 3 4 int main() 5 { 6 float x[4]; 7 foo (x); 8 return 0; 9 } 10 11 void foo (float *x) 12 { 13 int i,j,k; 14 float temp; 15 static float t16[16]={1.,2.,3.,4.,5.,6.,7.,8.,9., 16 10.,11.,12.,13.,14.,15.,16.}; 17 static float tmp[4]={0.,0.,0.,0.}; 18 19 for (i=0; i<4; i++) { 20 k = 3 - i; 21 temp = t16[5*k]; 22 for(j=k+1; j<4; j++) { 23 tmp[k] = t16[k+ j*4] * temp; 24 } 25 } 26 x[0] = tmp[0]; 27 x[1] = tmp[1]; 28 x[2] = tmp[2]; 29 x[3] = tmp[3]; 30 }