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