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1; RUN: opt < %s -S -passes=coro-early | FileCheck %s2%struct.A = type <{ i64, i64, i32, [4 x i8] }>3 4define void @f(ptr nocapture readonly noalias align 8 %a) presplitcoroutine {5 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)6 %size = call i32 @llvm.coro.size.i32()7 %alloc = call ptr @malloc(i32 %size)8 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc)9 call void @print(i32 0)10 %s1 = call i8 @llvm.coro.suspend(token none, i1 false)11 switch i8 %s1, label %suspend [i8 0, label %resume 12 i8 1, label %cleanup]13resume:14 call void @print(i32 1)15 br label %cleanup16 17cleanup:18 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl)19 call void @free(ptr %mem)20 br label %suspend21suspend:22 call void @llvm.coro.end(ptr %hdl, i1 0, token none)23 ret void 24}25 26; check that the noalias attribute is removed from the argument27; CHECK: define void @f(ptr readonly align 8 captures(none) %a)28 29declare token @llvm.coro.id(i32, ptr, ptr, ptr)30declare ptr @llvm.coro.begin(token, ptr)31declare ptr @llvm.coro.free(token, ptr)32declare i32 @llvm.coro.size.i32()33declare i8 @llvm.coro.suspend(token, i1)34declare void @llvm.coro.resume(ptr)35declare void @llvm.coro.destroy(ptr)36declare void @llvm.coro.end(ptr, i1, token) 37 38declare noalias ptr @malloc(i32)39declare void @print(i32)40declare void @free(ptr)41