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