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// RUN: %clang -std=c11 -ffast-math -O0 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O1 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O2 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O3 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O0 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -enzyme-inline=1 -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O1 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -enzyme-inline=1 -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O2 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -enzyme-inline=1 -S | %lli -
// RUN: %clang -std=c11 -ffast-math -O3 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -enzyme-inline=1 -S | %lli -
#include "../test_utils.h"
extern void __enzyme_autodiff(void*, double*, double*, int);
/*double max(double x, double y) {
return (x > y) ? x : y;
}*/
double sumtil(double* vec, int size) {
double ret = 0.0;
for (int i = 0; i < size; i++) {
ret += vec[i] * vec[i];
if (ret > 30) break;
ret += vec[i] * vec[i];
vec[i] = 0;
}
return ret;
}
int main() {
double vec[] = {1, 2., 3., 4., 5.};
double d_vec[] = {0., 0., 0., 0., 0.};
__enzyme_autodiff(sumtil, vec, d_vec, 5);
for(int i=0; i<5; i++) {
printf("d_reduce_max(%i)=%f\n", i, d_vec[i]);
}
fflush(0);
double ans[] = {4, 8, 12, 8, 0};
for(int i=0; i<5; i++) {
printf("i=%d d_vec=%f ans=%f\n", i, d_vec[i], ans[i]);
APPROX_EQ(d_vec[i], ans[i], 1e-7);
}
printf("done\n");
}