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// note not doing O0 below as to ensure we get tbaa
// RUN: %clang -std=c11 %O0TBAA %s -S -emit-llvm -o - | %opt - %OPloadEnzyme %enzyme -S | %lli -
// RUN: %clang -std=c11 -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 -
// note not doing O0 below as to ensure we get tbaa
// RUN: %clang -std=c11 %O0TBAA %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"
#define __builtin_autodiff __enzyme_autodiff
double __enzyme_autodiff(void*, ...);
double recurse_max_helper(float* a, float* b, int N) {
if (N <= 0) {
return *a + *b;
}
return recurse_max_helper(a,b,N-1) + recurse_max_helper(a,b,N-2);
}
void recurse_max(float* a, float* b, float* ret, int N) {
*ret = recurse_max_helper(a,b,N);
}
int main(int argc, char** argv) {
float a = 2.0;
float b = 3.0;
float da = 0;
float db = 0;
float ret = 0;
float dret = 2.0;
//recurse_max(&a, &b, &ret, 20);
int N = 20;
int dN = 0;
__builtin_autodiff(recurse_max, &a, &da, &b, &db, &ret, &dret, 20);
APPROX_EQ(da, 17711.0*2, 1e-10);
APPROX_EQ(db, 17711.0*2, 1e-10);
printf("hello! %f, res2 %f, da: %f, db: %f\n", ret, ret, da,db);
return 0;
}