llvm/test/Transforms/SCCP/switch-multiple-undef.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -ipsccp < %s | FileCheck %s

declare void @foo()
declare void @goo()
declare void @patatino()

define void @test1(i32 %t) {
; CHECK-LABEL: @test1(
; CHECK-NEXT:    [[CHOICE:%.*]] = icmp eq i32 undef, -1
; CHECK-NEXT:    switch i1 [[CHOICE]], label [[FIRST:%.*]] [
; CHECK-NEXT:    i1 false, label [[SECOND:%.*]]
; CHECK-NEXT:    i1 true, label [[THIRD:%.*]]
; CHECK-NEXT:    ]
; CHECK:       first:
; CHECK-NEXT:    call void @foo()
; CHECK-NEXT:    ret void
; CHECK:       second:
; CHECK-NEXT:    call void @goo()
; CHECK-NEXT:    ret void
; CHECK:       third:
; CHECK-NEXT:    call void @patatino()
; CHECK-NEXT:    ret void
;
  %choice = icmp eq i32 undef, -1
  switch i1 %choice, label %first [i1 0, label %second
  i1 1, label %third]
first:
  call void @foo()
  ret void
second:
  call void @goo()
  ret void
third:
  call void @patatino()
  ret void
}