xref: /llvm-project/llvm/test/Verifier/mmra-allowed.ll (revision cf328ff96daf5e676fb51ac86e550af7fd689fec)
1; RUN: opt -S -passes=verify < %s
2
3; This file contains MMRA metadata that is okay and should pass the verifier.
4
5define void @test(ptr %ptr) {
6  %ld = load i8, ptr %ptr,                                !mmra !0
7  store i8 1, ptr %ptr,                                   !mmra !1
8  call void @writesMem(),                                 !mmra !2
9  call void @readsMem(),                                  !mmra !2
10  fence release,                                          !mmra !0
11  %rmw.1 = atomicrmw add ptr %ptr, i8 0 release,          !mmra !0
12  %rmw.2 = atomicrmw add ptr %ptr, i8 0 acquire,          !mmra !0
13  %pair = cmpxchg ptr %ptr, i8 0, i8 1 acquire acquire,   !mmra !1
14  %ld.atomic = load atomic i8, ptr %ptr acquire, align 4, !mmra !1
15  store atomic i8 1, ptr %ptr release, align 4,           !mmra !2
16  %mld = call <2 x i64> @llvm.vp.load.v2i64.p0(ptr undef, <2 x i1> undef, i32 undef), !mmra !2
17  ; TODO: barrier
18  ret void
19}
20
21declare <2 x i64> @llvm.vp.load.v2i64.p0(ptr, <2 x i1>, i32)
22
23declare void @readsMem(ptr) #0
24declare void @writesMem(ptr) #1
25
26attributes #0 = { memory(read) }
27attributes #1 = { memory(write) }
28
29!0 = !{!"scope", !"workgroup"}
30!1 = !{!"as", !"private"}
31!2 = !{!0, !1}
32