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1; Verify that we correctly handle suspend when the coro.end block contains phi2; RUN: opt < %s -aa-pipeline=basic-aa -passes='default<O2>' -S | FileCheck %s3 4define ptr @f(i32 %n) presplitcoroutine {5entry:6 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)7 %size = call i32 @llvm.coro.size.i32()8 %alloc = call ptr @malloc(i32 %size)9 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc)10 %0 = call i8 @llvm.coro.suspend(token none, i1 false)11 switch i8 %0, label %suspend [i8 0, label %cleanup i8 1, label %cleanup]12 13cleanup:14 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl)15 call void @free(ptr %mem)16 br label %suspend17 18suspend:19 %r = phi i32 [%n, %entry], [1, %cleanup]20 call void @llvm.coro.end(ptr %hdl, i1 false, token none) 21 call void @print(i32 %r)22 ret ptr %hdl23}24 25; CHECK-LABEL: @main26define i32 @main() {27entry:28 %hdl = call ptr @f(i32 4)29 call void @llvm.coro.resume(ptr %hdl)30 ret i32 031;CHECK: call void @print(i32 4)32;CHECK: ret i32 033}34 35declare ptr @llvm.coro.alloc()36declare i32 @llvm.coro.size.i32()37declare ptr @llvm.coro.free(token, ptr)38declare i8 @llvm.coro.suspend(token, i1)39declare void @llvm.coro.resume(ptr)40declare void @llvm.coro.destroy(ptr)41 42declare token @llvm.coro.id(i32, ptr, ptr, ptr)43declare ptr @llvm.coro.begin(token, ptr)44declare void @llvm.coro.end(ptr, i1, token) 45 46declare noalias ptr @malloc(i32)47declare void @print(i32)48declare void @free(ptr)49