1; Test that copy alignment for byval arguments is limited by param-tls slot alignment. 2 3; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s 4 5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 6target triple = "x86_64-unknown-linux-gnu" 7 8%struct.S = type { i64, i64, i64, [8 x i8] } 9 10; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 {{.*}} add {{.*}} ptrtoint {{.*}} @__msan_param_tls {{.*}} i64 8) {{.*}}, ptr align 8 {{.*}}, i64 32, i1 false) 11 12define void @Caller() sanitize_memory { 13entry: 14 %agg.tmp = alloca %struct.S, align 16 15 call void @Callee(i32 1, ptr byval(%struct.S) align 16 %agg.tmp) 16 ret void 17} 18 19declare void @Callee(i32, ptr byval(%struct.S) align 16) 20