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hanchenye-llvm-project/llvm/test/Verifier/writeonly.ll

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Add writeonly IR attribute Summary: This complements the earlier addition of IntrWriteMem and IntrWriteArgMem LLVM intrinsic properties, see D18291. Also start using the attribute for memset, memcpy, and memmove intrinsics, and remove their special-casing in BasicAliasAnalysis. Reviewers: reames, joker.eph Subscribers: joker.eph, llvm-commits Differential Revision: http://reviews.llvm.org/D18714 llvm-svn: 274485
2016-07-04 16:01:29 +08:00
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
declare void @a() readnone writeonly
; CHECK: Attributes {{.*}} are incompatible
declare void @b() readonly writeonly
; CHECK: Attributes {{.*}} are incompatible
declare void @c(i32* readnone writeonly %p)
; CHECK: Attributes {{.*}} are incompatible
declare void @d(i32* readonly writeonly %p)
; CHECK: Attributes {{.*}} are incompatible