llvm/test/Transforms/SimplifyCFG/merge-default.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S < %s | FileCheck %s

target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

declare void @g()
declare void @f()

define void @foo(i32 %Kind) {
; CHECK-LABEL: @foo(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    switch i32 [[KIND:%.*]], label [[SW_EPILOG:%.*]] [
; CHECK-NEXT:      i32 15, label [[SW_BB2:%.*]]
; CHECK-NEXT:      i32 2, label [[SW_BB:%.*]]
; CHECK-NEXT:    ]
; CHECK:       sw.bb:
; CHECK-NEXT:    call void @g()
; CHECK-NEXT:    call void @g()
; CHECK-NEXT:    br label [[SW_EPILOG]]
; CHECK:       sw.bb2:
; CHECK-NEXT:    call void @f()
; CHECK-NEXT:    br label [[SW_EPILOG]]
; CHECK:       sw.epilog:
; CHECK-NEXT:    ret void
;

entry:
  switch i32 %Kind, label %sw.epilog [
  i32 1, label %sw.epilog
  i32 2, label %sw.bb
  i32 15, label %sw.bb2
  ]

sw.bb:
  call void @g()
  call void @g()
  br label %sw.epilog

sw.bb2:
  call void @f()
  br label %sw.epilog

sw.epilog:
  ret void
}