xref: /llvm-project/llvm/test/Instrumentation/AddressSanitizer/byval-args.ll (revision 855fe35064674c4601ea9c659a015cacdcec9f63)
1; RUN: opt < %s -passes=asan -S | FileCheck %s
2; Test that for call instructions, the by-value arguments are instrumented.
3
4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7%struct.bar = type { %struct.foo }
8%struct.foo = type { ptr, ptr, ptr }
9define dso_local void @func2(ptr %foo) sanitize_address {
10; CHECK-LABEL: @func2
11  tail call void @func1(ptr byval(%struct.foo) align 8 %foo) #2
12; CHECK: call void @__asan_report_load
13  ret void
14; CHECK: ret void
15}
16declare dso_local void @func1(ptr byval(%struct.foo) align 8)
17
18!0 = !{i32 1, !"wchar_size", i32 4}
19