xref: /llvm-project/llvm/test/Instrumentation/MemorySanitizer/invalidate_global_aa.ll (revision 0f2f1c2be164810da96f2bc7229ef56f54c7d137)
1; Check that sanitizers invalidate GlobalsAA
2
3; Msan and Dfsan use globals for origin tracking and TLS for parameters.
4; RUN: opt < %s -S -passes='require<globals-aa>,module(msan)' -debug-pass-manager 2>&1 | FileCheck %s
5; RUN: opt < %s -S -passes='require<globals-aa>,module(dfsan)' -debug-pass-manager 2>&1 | FileCheck %s
6
7; Some types of coverage use globals.
8; RUN: opt < %s -S -passes='require<globals-aa>,module(sancov-module)' -sanitizer-coverage-level=2 -debug-pass-manager 2>&1 | FileCheck %s
9
10; Uses TLS for tags.
11; RUN: opt < %s -S -passes='require<globals-aa>,module(hwasan)' -debug-pass-manager 2>&1 | FileCheck %s
12
13; Modifies globals.
14; RUN: opt < %s -S -passes='require<globals-aa>,module(asan)' -debug-pass-manager 2>&1 | FileCheck %s
15
16; CHECK: Running analysis: GlobalsAA on [module]
17; CHECK: Running pass: {{.*}}Sanitizer{{.*}}Pass on [module]
18; CHECK: Invalidating analysis: GlobalsAA on [module]
19
20target triple = "x86_64-unknown-linux"
21
22define i32 @test(ptr readonly %a) local_unnamed_addr sanitize_address sanitize_hwaddress {
23entry:
24  %0 = load i32, ptr %a, align 4
25  ret i32 %0
26}
27