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- ; 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* [[A]], i8* {{.*}}, i64 32, i32 8, 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)
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