| ; Test that copy alignment for byval arguments is limited by param-tls slot alignment. |
| |
| ; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \ |
| ; RUN: %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: call void @llvm.memcpy.p0.p0.i64(ptr align 8 {{.*}} add {{.*}} ptrtoint {{.*}} @__msan_param_tls {{.*}} i64 8) {{.*}}, ptr align 8 {{.*}}, i64 32, i1 false) |
| |
| define void @Caller() sanitize_memory { |
| entry: |
| %agg.tmp = alloca %struct.S, align 16 |
| call void @Callee(i32 1, ptr byval(%struct.S) align 16 %agg.tmp) |
| ret void |
| } |
| |
| declare void @Callee(i32, ptr byval(%struct.S) align 16) |
