clang/test/CodeGen/allocs-fns-allocsize.c

   1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm < %s | FileCheck %s
   2
   3 typedef __SIZE_TYPE__ size_t;
   4
   5 void *malloc(size_t);
   6 void *calloc(size_t, size_t);
   7 void *realloc(void *, size_t);
   8 void *aligned_alloc(size_t, size_t);
   9 void *memalign(size_t, size_t);
  10
  11 void *malloc_test(size_t n) {
  12   return malloc(n);
  13 }
  14
  15 void *calloc_test(size_t e, size_t n) {
  16   return calloc(e, n);
  17 }
  18
  19 void *realloc_test(void *p, size_t n) {
  20   return realloc(p, n);
  21 }
  22
  23 void *aligned_alloc_test(size_t n, size_t a) {
  24   return aligned_alloc(a, n);
  25 }
  26
  27 void *memalign_test(size_t n, size_t a) {
  28   return memalign(a, n);
  29 }
  30
  31 // CHECK: @malloc(i64 noundef) #1
  32 // CHECK: @calloc(i64 noundef, i64 noundef) #2
  33 // CHECK: @realloc(ptr noundef, i64 noundef) #3
  34 // CHECK: @aligned_alloc(i64 noundef, i64 noundef) #3
  35 // CHECK: @memalign(i64 noundef, i64 noundef) #3
  36
  37 // CHECK: attributes #1 = { allocsize(0)
  38 // CHECK: attributes #2 = { allocsize(0,1)
  39 // CHECK: attributes #3 = { allocsize(1)