; RUN: opt < %s -loop-reduce -S | FileCheck %s

target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
target triple = "i686-pc-windows-msvc"

declare i32 @_except_handler3(...)

declare void @reserve()

define void @f() personality i32 (...)* @_except_handler3 {
entry:
  br label %throw

throw:                                            ; preds = %throw, %entry
  %tmp96 = getelementptr inbounds i8, i8* undef, i32 1
  invoke void @reserve()
          to label %throw unwind label %pad

pad:                                              ; preds = %throw
  %phi2 = phi i8* [ %tmp96, %throw ]
  terminatepad [] unwind label %blah

blah:
  catchpad [] to label %unreachable unwind label %blah3

unreachable:
  unreachable

blah3:
  catchendpad unwind label %blah2

blah2:
  %cleanuppadi4.i.i.i = cleanuppad []
  br label %loop_body

loop_body:                                        ; preds = %iter, %pad
  %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %blah2 ]
  %tmp100 = icmp eq i8* %tmp99, undef
  br i1 %tmp100, label %unwind_out, label %iter

iter:                                             ; preds = %loop_body
  %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1
  br i1 undef, label %unwind_out, label %loop_body

unwind_out:                                       ; preds = %iter, %loop_body
  cleanupret %cleanuppadi4.i.i.i unwind to caller
}

; CHECK-LABEL: define void @f(
; CHECK: cleanuppad []
; CHECK-NEXT: ptrtoint i8* %phi2 to i32

define void @g() personality i32 (...)* @_except_handler3 {
entry:
  br label %throw

throw:                                            ; preds = %throw, %entry
  %tmp96 = getelementptr inbounds i8, i8* undef, i32 1
  invoke void @reserve()
          to label %throw unwind label %pad

pad:
  %phi2 = phi i8* [ %tmp96, %throw ]
  catchpad [] to label %unreachable unwind label %blah

unreachable:
  unreachable

blah:
  %catchpad = catchpad [] to label %loop_body unwind label %blah3


blah3:
  catchendpad unwind to caller ;label %blah2

unwind_out:
  catchret %catchpad to label %leave

leave:
  ret void

loop_body:                                        ; preds = %iter, %pad
  %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %blah ]
  %tmp100 = icmp eq i8* %tmp99, undef
  br i1 %tmp100, label %unwind_out, label %iter

iter:                                             ; preds = %loop_body
  %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1
  br i1 undef, label %unwind_out, label %loop_body
}

; CHECK-LABEL: define void @g(
; CHECK: blah:
; CHECK-NEXT: catchpad []
; CHECK-NEXT: to label %loop_body.preheader

; CHECK: loop_body.preheader:
; CHECK-NEXT: ptrtoint i8* %phi2 to i32


define void @h() personality i32 (...)* @_except_handler3 {
entry:
  br label %throw

throw:                                            ; preds = %throw, %entry
  %tmp96 = getelementptr inbounds i8, i8* undef, i32 1
  invoke void @reserve()
          to label %throw unwind label %pad

pad:
  catchpad [] to label %unreachable unwind label %blug

unreachable:
  unreachable

blug:
  %phi2 = phi i8* [ %tmp96, %pad ]
  %catchpad = catchpad [] to label %blah2 unwind label %blah3

blah2:
  br label %loop_body

blah3:
  catchendpad unwind to caller ;label %blah2

unwind_out:
  catchret %catchpad to label %leave

leave:
  ret void

loop_body:                                        ; preds = %iter, %pad
  %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %blah2 ]
  %tmp100 = icmp eq i8* %tmp99, undef
  br i1 %tmp100, label %unwind_out, label %iter

iter:                                             ; preds = %loop_body
  %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1
  br i1 undef, label %unwind_out, label %loop_body
}

; CHECK-LABEL: define void @h(
; CHECK: blug:
; CHECK: catchpad []
; CHECK-NEXT: to label %blah2

; CHECK: blah2:
; CHECK-NEXT: ptrtoint i8* %phi2 to i32

define void @i() personality i32 (...)* @_except_handler3 {
entry:
  br label %throw

throw:                                            ; preds = %throw, %entry
  %tmp96 = getelementptr inbounds i8, i8* undef, i32 1
  invoke void @reserve()
          to label %throw unwind label %catchpad

catchpad:                                              ; preds = %throw
  %phi2 = phi i8* [ %tmp96, %throw ]
  catchpad [] to label %cp_body unwind label %catchendpad

cp_body:
  br label %loop_head

catchendpad:
  catchendpad unwind label %cleanuppad

cleanuppad:
  cleanuppad []
  br label %loop_head

loop_head:
  br label %loop_body

loop_body:                                        ; preds = %iter, %catchpad
  %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %loop_head ]
  %tmp100 = icmp eq i8* %tmp99, undef
  br i1 %tmp100, label %unwind_out, label %iter

iter:                                             ; preds = %loop_body
  %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1
  br i1 undef, label %unwind_out, label %loop_body

unwind_out:                                       ; preds = %iter, %loop_body
  unreachable
}

; CHECK-LABEL: define void @i(
; CHECK: ptrtoint i8* %phi2 to i32