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// Test ldc.attributes.allocSize
// REQUIRES: atleast_llvm309
// RUN: %ldc -O3 -c -output-ll -of=%t.ll %s && FileCheck %s < %t.ll
import ldc.attributes;
// CHECK-LABEL: define{{.*}}@{{.*}}my_calloc
// CHECK-SAME: #[[ATTR0:[0-9]+]]
extern (C) void* my_calloc(size_t num, size_t size) @allocSize(1, 0)
{
return null;
}
// CHECK-LABEL: define{{.*}}@{{.*}}my_malloc
// CHECK-SAME: #[[ATTR1:[0-9]+]]
extern (C) void* my_malloc(int a, int b, size_t size, int c) @allocSize(2)
{
return null;
}
// Test the reversed parameter order of D calling convention
// CHECK-LABEL: define{{.*}}@{{.*}}Dlinkage_calloc
// CHECK-SAME: #[[ATTR2:[0-9]+]]
extern (D) void* Dlinkage_calloc(int size, int b, size_t num, int c) @allocSize(0, 2)
{
return null;
}
// Test function type with hidden `this` argument
class A
{
// CHECK-LABEL: define{{.*}}@{{.*}}this_calloc
// CHECK-SAME: #[[ATTR3:[0-9]+]]
void* this_calloc(int size, int b, size_t num, int c) @allocSize(0, 2)
{
return null;
}
}
// CHECK-DAG: attributes #[[ATTR0]] ={{.*}} allocsize(1,0)
// CHECK-DAG: attributes #[[ATTR1]] ={{.*}} allocsize(2)
// CHECK-DAG: attributes #[[ATTR2]] ={{.*}} allocsize(3,1)
// CHECK-DAG: attributes #[[ATTR3]] ={{.*}} allocsize(4,2)
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