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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 %s4 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 getelementptr (i8, ptr @__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 1615 call void @Callee(i32 1, ptr byval(%struct.S) align 16 %agg.tmp)16 ret void17}18 19declare void @Callee(i32, ptr byval(%struct.S) align 16)20