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// RUN: %clang -std=c11 -O0 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -fno-unroll-loops -O1 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -O2 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -O3 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -O0 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme --enzyme-inline=1 -S | %lli -
// RUN: %clang -std=c11 -O1 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme --enzyme-inline=1 -S | %lli -
// RUN: %clang -std=c11 -O2 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme --enzyme-inline=1 -S | %lli -
// RUN: %clang -std=c11 -O3 %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme --enzyme-inline=1 -S | %lli -
#include "../test_utils.h"
double __enzyme_autodiff(void*, ...);
__attribute__((noinline))
double loadSq(double**__restrict__ x) {
double* __restrict__ one = *x;
double two = *one;
return two * two;
}
double alldiv(double** __restrict__ x) {
double* __restrict__ one = *x;
double res = loadSq(x);
one[0] = 3.14159265;
return res;
}
int main(int argc, char** argv) {
double x = 3.0;
double dx = 0.0;
double* xx = &x;
double* dxx = &dx;
double** xxx = &xx;
double** dxxx = &dxx;
__enzyme_autodiff((void*)alldiv, xxx, dxxx);
APPROX_EQ(dx, 6.0, 1e-6);
return 0;
}