File: attributes.ll

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llvm-toolchain-20 1%3A20.1.8-1
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; RUN: opt < %s -S -passes='module(msan)' 2>&1 | FileCheck %s

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"


declare void @a_() sanitize_memory readnone
declare void @b_() sanitize_memory readonly
declare void @c_() sanitize_memory writeonly
declare void @d_(ptr %p) sanitize_memory writeonly argmemonly
declare void @e_() sanitize_memory speculatable

define void @a() sanitize_memory readnone {
entry:
  call void @a_()
  call void @a_() readnone
  ret void
}

define void @b() sanitize_memory readonly {
entry:
  call void @b_()
  call void @b_() readonly
  ret void
}

define void @c() sanitize_memory writeonly {
entry:
  call void @c_()
  call void @c_() writeonly
  ret void
}

define void @d(ptr %p) sanitize_memory writeonly argmemonly {
entry:
  call void @d_(ptr %p)
  call void @d_(ptr %p) writeonly argmemonly
  ret void
}

define void @e() sanitize_memory speculatable {
entry:
  call void @e_()
  ret void
}

; CHECK-NOT: memory(
; CHECK-NOT: speculatable

; CHECK: Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
; CHECK-NEXT: declare void @llvm.donothing