test/Transforms/Coroutines/coro-save-nomerge.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes='simplifycfg<hoist-common-insts>' -S | FileCheck %s

declare token @llvm.coro.save(ptr) #0
declare i8 @llvm.coro.suspend(token, i1)

define void @final_nonfinal_suspend(i32 %x) {
; CHECK-LABEL: @final_nonfinal_suspend(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
; CHECK-NEXT:    br i1 [[CMP]], label [[AWAIT_SUSPEND:%.*]], label [[FINAL_SUSPEND:%.*]]
; CHECK:       await.suspend:
; CHECK-NEXT:    [[TMP0:%.*]] = call token @llvm.coro.save(ptr null)
; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.coro.suspend(token [[TMP0]], i1 false)
; CHECK-NEXT:    br label [[CORO_RET:%.*]]
; CHECK:       final.suspend:
; CHECK-NEXT:    [[TMP2:%.*]] = call token @llvm.coro.save(ptr null)
; CHECK-NEXT:    [[TMP3:%.*]] = call i8 @llvm.coro.suspend(token [[TMP2]], i1 true)
; CHECK-NEXT:    br label [[CORO_RET]]
; CHECK:       coro.ret:
; CHECK-NEXT:    ret void
;
entry:
  %cmp = icmp slt i32 %x, 0
  br i1 %cmp, label %await.suspend, label %final.suspend

await.suspend:
  %0 = call token @llvm.coro.save(ptr null)
  %1 = call i8 @llvm.coro.suspend(token %0, i1 false)
  br label %coro.ret

final.suspend:
  %2 = call token @llvm.coro.save(ptr null)
  %3 = call i8 @llvm.coro.suspend(token %2, i1 true)
  br label %coro.ret

coro.ret:
  ret void
}

define void @both_nonfinal_suspend(i32 %x) {
; CHECK-LABEL: @both_nonfinal_suspend(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
; CHECK-NEXT:    br i1 [[CMP]], label [[AWAIT_SUSPEND:%.*]], label [[FINAL_SUSPEND:%.*]]
; CHECK:       await.suspend:
; CHECK-NEXT:    [[TMP0:%.*]] = call token @llvm.coro.save(ptr null)
; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.coro.suspend(token [[TMP0]], i1 false)
; CHECK-NEXT:    br label [[CORO_RET:%.*]]
; CHECK:       final.suspend:
; CHECK-NEXT:    [[TMP2:%.*]] = call token @llvm.coro.save(ptr null)
; CHECK-NEXT:    [[TMP3:%.*]] = call i8 @llvm.coro.suspend(token [[TMP2]], i1 false)
; CHECK-NEXT:    br label [[CORO_RET]]
; CHECK:       coro.ret:
; CHECK-NEXT:    ret void
;
entry:
  %cmp = icmp slt i32 %x, 0
  br i1 %cmp, label %await.suspend, label %final.suspend

await.suspend:
  %0 = call token @llvm.coro.save(ptr null)
  %1 = call i8 @llvm.coro.suspend(token %0, i1 false)
  br label %coro.ret

final.suspend:
  %2 = call token @llvm.coro.save(ptr null)
  %3 = call i8 @llvm.coro.suspend(token %2, i1 false)
  br label %coro.ret

coro.ret:
  ret void
}

attributes #0 = { nomerge }