| ; RUN: opt < %s -passes=asan -S | FileCheck %s | 
 | ; Test that for call instructions, the by-value arguments are instrumented. | 
 |  | 
 | target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" | 
 | target triple = "x86_64-unknown-linux-gnu" | 
 |  | 
 | %struct.bar = type { %struct.foo } | 
 | %struct.foo = type { ptr, ptr, ptr } | 
 | define dso_local void @func2(ptr %foo) sanitize_address { | 
 | ; CHECK-LABEL: @func2 | 
 |   tail call void @func1(ptr byval(%struct.foo) align 8 %foo) #2 | 
 | ; CHECK: call void @__asan_report_load | 
 |   ret void | 
 | ; CHECK: ret void | 
 | } | 
 | declare dso_local void @func1(ptr byval(%struct.foo) align 8) | 
 |  | 
 | !0 = !{i32 1, !"wchar_size", i32 4} |