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Handle indirect function malloc (rust-lang#391)
* Handle indirect function malloc * Add sprintf
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| Original file line number | Diff line number | Diff line change |
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| // RUN: %clang -std=c11 -Xclang -new-struct-path-tbaa -O0 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme -S | %lli - | ||
| // RUN: %clang -std=c11 -Xclang -new-struct-path-tbaa -fno-unroll-loops -O1 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme -S | %lli - | ||
| // RUN: %clang -std=c11 -Xclang -new-struct-path-tbaa -O2 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme -S | %lli - | ||
| // RUN: %clang -std=c11 -Xclang -new-struct-path-tbaa -O3 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme -S | %lli - | ||
| // RUN: %clang -std=c11 -Xclang -new-struct-path-tbaa -O0 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme --enzyme-inline=1 -S | %lli - | ||
| // RUN: %clang -std=c11 -Xclang -new-struct-path-tbaa -O1 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme --enzyme-inline=1 -S | %lli - | ||
| // RUN: %clang -std=c11 -Xclang -new-struct-path-tbaa -O2 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme --enzyme-inline=1 -S | %lli - | ||
| // RUN: %clang -std=c11 -Xclang -new-struct-path-tbaa -O3 %s -S -emit-llvm -o - | %opt - %loadEnzyme -enzyme --enzyme-inline=1 -S | %lli - | ||
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| #include <stdio.h> | ||
| #include <math.h> | ||
| #include <assert.h> | ||
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| #include "test_utils.h" | ||
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| double __enzyme_autodiff(void*, ...); | ||
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| struct { | ||
| int count; | ||
| void* (*allocfn)(long int); | ||
| } tup = {0, malloc}; | ||
| __attribute__((noinline)) | ||
| void* metamalloc(long int size) { | ||
| void* ret = tup.allocfn(size); | ||
| //if (ret != 0) | ||
| // tup.count++; | ||
| return ret; | ||
| } | ||
| __attribute__((noinline)) | ||
| void square(double* x) { | ||
| *x *= *x; | ||
| } | ||
| double alldiv(double x) { | ||
| double* mem = (double*)metamalloc(8); | ||
| *mem = x; | ||
| square(mem); | ||
| return mem[0]; | ||
| } | ||
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| static void* (*sallocfn)(int) = malloc; | ||
| __attribute__((noinline)) | ||
| void* smetamalloc(int size) { | ||
| return sallocfn(size); | ||
| } | ||
| double salldiv(double x) { | ||
| double* mem = (double*)metamalloc(8); | ||
| *mem = x * x; | ||
| return mem[0]; | ||
| } | ||
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| int main(int argc, char** argv) { | ||
| double res = __enzyme_autodiff((void*)alldiv, 3.14); | ||
| APPROX_EQ(res, 6.28, 1e-6); | ||
| double sres = __enzyme_autodiff((void*)salldiv, 3.14); | ||
| APPROX_EQ(sres, 6.28, 1e-6); | ||
| return 0; | ||
| } |