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1; RUN: opt < %s -passes='default<O2>' -S | FileCheck --check-prefixes=CHECK %s2target datalayout = "p:64:64:64"3 4%swift.async_func_pointer = type <{ i32, i32 }>5%swift.context = type { ptr, ptr }6%swift.opaque = type opaque7%swift.refcounted = type { ptr, i64 }8%swift.type = type { i64 }9%swift.error = type opaque10 11@repoTu = linkonce_odr hidden global %swift.async_func_pointer <{ i32 trunc (i64 sub (i64 ptrtoint (ptr @repo to i64), i64 ptrtoint (ptr @repoTu to i64)) to i32), i32 16 }>, align 812 13declare token @llvm.coro.id.async(i32, i32, i32, ptr) #014 15declare ptr @llvm.coro.begin(token, ptr writeonly) #016 17declare void @llvm.coro.end.async(ptr, i1, ...) #018 19define swifttailcc void @repo(ptr swiftasync %0, ptr noalias nocapture %1, ptr noalias nocapture %2, ptr %3, ptr %4, ptr %Self, ptr %Self.AsyncSequence, ptr %Self.Element.Comparable) #1 {20entry:21 %5 = alloca ptr, align 822 %6 = call token @llvm.coro.id.async(i32 16, i32 16, i32 0, ptr @repoTu)23 %7 = call ptr @llvm.coro.begin(token %6, ptr null)24 store ptr %0, ptr %5, align 825 %8 = call swiftcc i1 %3(ptr noalias nocapture %1, ptr noalias nocapture %2, ptr swiftself %4) #226 %9 = load ptr, ptr %5, align 827 %10 = getelementptr inbounds <{ ptr, ptr }>, ptr %9, i32 0, i32 128 %11 = load ptr, ptr %10, align 829 %12 = load ptr, ptr %5, align 830 call void (ptr, i1, ...) @llvm.coro.end.async(ptr %7, i1 false, ptr @repo.0, ptr %11, ptr %12, i1 %8, ptr null)31 unreachable32}33 34; CHECK: define swifttailcc void @repo35; CHECK-NOT:llvm.coro.end.async36; CHECK: musttail call swifttailcc void37; CHECK-NOT:llvm.coro.end.async38; CHECK-NOT: unreachable39; CHECK: ret40 41define internal swifttailcc void @repo.0(ptr %0, ptr %1, i1 %2, ptr %3) #0 {42entry:43 musttail call swifttailcc void %0(ptr swiftasync %1, i1 %2, ptr swiftself %3)44 ret void45}46 47attributes #0 = { nounwind }48attributes #1 = { nounwind }49