test/Transforms/Coroutines/coro-retcon-unreachable.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes='module(coro-early),cgscc(coro-split),function(simplifycfg,early-cse)' -S | FileCheck %s
target datalayout = "E-p:64:64"

%swift.type = type { i64 }
%swift.opaque = type opaque
%T4red215EmptyCollectionV = type opaque
%TSi = type <{ i64 }>

define hidden swiftcc { ptr, ptr } @no_suspends(ptr %buffer, i64 %arg) #1 {
; CHECK-LABEL: @no_suspends(
; CHECK-NEXT:  AllocaSpillBB:
; CHECK-NEXT:    [[ID:%.*]] = call token @llvm.coro.id.retcon.once(i32 32, i32 8, ptr [[BUFFER:%.*]], ptr @prototype, ptr @malloc, ptr @free)
; CHECK-NEXT:    call void @print(i64 [[ARG:%.*]])
; CHECK-NEXT:    call void @llvm.trap()
; CHECK-NEXT:    unreachable
;
  %id = call token @llvm.coro.id.retcon.once(i32 32, i32 8, ptr %buffer, ptr @prototype, ptr @malloc, ptr @free)
  %begin = call ptr @llvm.coro.begin(token %id, ptr null)
  call void @print(i64 %arg)
  call void @llvm.trap()
  unreachable

bb1:
  call void @print(i64 %arg)
  call i1 @llvm.coro.end(ptr %begin, i1 false, token none)
  unreachable
}

declare swiftcc void @prototype(ptr noalias dereferenceable(32), i1)
declare void @print(i64)

declare noalias ptr @malloc(i64) #5
declare void @free(ptr nocapture) #5

declare token @llvm.coro.id.retcon.once(i32, i32, ptr, ptr, ptr, ptr) #5
declare ptr @llvm.coro.begin(token, ptr writeonly) #5
declare token @llvm.coro.alloca.alloc.i64(i64, i32) #5
declare ptr @llvm.coro.alloca.get(token) #5
declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #6
declare i1 @llvm.coro.suspend.retcon.i1(...) #5
declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #6
declare void @llvm.coro.alloca.free(token) #5
declare i1 @llvm.coro.end(ptr, i1, token) #5

declare void @llvm.trap()

attributes #1 = { noreturn nounwind }
attributes #5 = { nounwind }