xref: /llvm-project/clang/test/AST/ByteCode/codegen.c (revision 904f58e6b9418dab53719c7817e9216b95981a49)
1 // RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -o - %s | FileCheck %s
2 // RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -o - %s -fexperimental-new-constant-interpreter | FileCheck %s
3 
4 typedef __INTPTR_TYPE__ intptr_t;
5 
6 const intptr_t Z1 = (intptr_t)(((char*)-1LL) + 1);
7 // CHECK: @Z1 = constant i64 0
8 
9 const intptr_t Z2 = (intptr_t)(((char*)1LL) - 1);
10 // CHECK: @Z2 = constant i64 0
11 
12 struct A {
13   char num_fields;
14 };
15 struct B {
16   char a, b[1];
17 };
18 const int A = (char *)(&( (struct B *)(16) )->b[0]) - (char *)(16);
19 // CHECK: @A = constant i32 1
20 
21 struct X { int a[2]; };
22 int test(void) {
23   static int i23 = (int) &(((struct X *)0)->a[1]);
24   return i23;
25 }
26 // CHECK: @test.i23 = internal global i32 4, align 4
27