xref: /llvm-project/llvm/test/ExecutionEngine/MCJIT/test-common-symbols-alignment.ll (revision 2d56d8c4e8751c7e2cab927cdeb4e519af3f3585)
1; RUN: %lli -jit-kind=mcjit -O0 %s
2; RUN: %lli -O0 %s
3
4; This test checks that common symbols have been allocated addresses honouring
5; the alignment requirement.
6
7@CS1 = common global i32 0, align 16
8@CS2 = common global i8 0, align 1
9@CS3 = common global i32 0, align 16
10
11define i32 @main() nounwind {
12entry:
13    %retval = alloca i32, align 4
14    %ptr = alloca i32, align 4
15    store i32 0, ptr %retval
16    store i32 ptrtoint (ptr @CS3 to i32), ptr %ptr, align 4
17    %0 = load i32, ptr %ptr, align 4
18    %and = and i32 %0, 15
19    %tobool = icmp ne i32 %and, 0
20    br i1 %tobool, label %if.then, label %if.else
21
22if.then:                                          ; preds = %entry
23    store i32 1, ptr %retval
24    br label %return
25
26if.else:                                          ; preds = %entry
27    store i32 0, ptr %retval
28    br label %return
29
30return:                                           ; preds = %if.else, %if.then
31    %1 = load i32, ptr %retval
32    ret i32 %1
33}
34