83
|
1 ; Test that copy alignment for byval arguments is limited by param-tls slot alignment.
|
|
2
|
|
3 ; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
|
|
4
|
|
5 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
6 target triple = "x86_64-unknown-linux-gnu"
|
|
7
|
|
8 %struct.S = type { i64, i64, i64, [8 x i8] }
|
|
9
|
|
10 ; CHECK: [[A:%.*]] = bitcast i64* {{.*}} add {{.*}} ptrtoint {{.*}} @__msan_param_tls {{.*}} i64 8)
|
|
11 ; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[A]], i8* {{.*}}, i64 32, i32 8, i1 false)
|
|
12
|
|
13 define void @Caller() sanitize_memory {
|
|
14 entry:
|
|
15 %agg.tmp = alloca %struct.S, align 16
|
|
16 call void @Callee(i32 1, %struct.S* byval align 16 %agg.tmp)
|
|
17 ret void
|
|
18 }
|
|
19
|
|
20 declare void @Callee(i32, %struct.S* byval align 16)
|