xref: /llvm-project/llvm/test/Instrumentation/AddressSanitizer/global_addrspace.ll (revision 855fe35064674c4601ea9c659a015cacdcec9f63)
1; Only verify that asan don't crash on global variables of different
2; address space. The global variable should be unmodified by asan.
3
4; RUN: opt < %s -passes=asan -S | FileCheck %s
5
6target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
7target triple = "x86_64-unknown-linux-gnu"
8
9@a = internal addrspace(42) global [1 x i32] zeroinitializer, align 4
10
11; CHECK: @a = internal addrspace(42) global [1 x i32] zeroinitializer, align 4
12
13define void @b(i32 %c) {
14entry:
15  %conv = sext i32 %c to i64
16  %0 = inttoptr i64 %conv to ptr addrspace(42)
17  %cmp = icmp ugt ptr addrspace(42) %0, @a
18  br i1 %cmp, label %if.then, label %if.end
19
20if.then:
21  %call = tail call i32 (...) @e()
22  br label %if.end
23
24if.end:
25  ret void
26}
27
28declare i32 @e(...)
29
30!llvm.asan.globals = !{!0}
31!0 = !{ptr addrspace(42) @a, null, !"a", i1 false, i1 false}
32