; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=indvars < %s | FileCheck %s

define void @optimize_trap(i32 %block_size) {
; CHECK-LABEL: define void @optimize_trap(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    [[TMP1:%.*]] = add i32 [[BLOCK_SIZE]], -1
; CHECK-NEXT:    [[UMIN:%.*]] = call i32 @llvm.umin.i32(i32 [[TMP1]], i32 3)
; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 3, [[UMIN]]
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    br i1 [[TMP2]], label %[[IF_THEN:.*]], label %[[IF_END4]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    call void @llvm.trap()
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP4:%.*]] = xor i8 [[TMP3]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    store i8 [[TMP4]], ptr [[ARRAYIDX7]], align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:                                         ; preds = %for.body.preheader, %if.end4
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %if.end4

if.then:                                          ; preds = %for.body
  call void @llvm.trap()
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  store i8 %1, ptr %arrayidx7, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}

define void @no_optimize_atomic(i32 %block_size) {
; CHECK-LABEL: define void @no_optimize_atomic(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp samesign ugt i32 [[I_015]], 2
; CHECK-NEXT:    br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END4]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    call void @llvm.trap()
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP4:%.*]] = xor i8 [[TMP3]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    store atomic i8 [[TMP4]], ptr [[ARRAYIDX7]] unordered, align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:                                         ; preds = %for.body.preheader, %if.end4
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %if.end4

if.then:                                          ; preds = %for.body
  call void @llvm.trap()
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  store atomic i8 %1, ptr %arrayidx7 unordered, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}

define void @no_optimize_volatile(i32 %block_size) {
; CHECK-LABEL: define void @no_optimize_volatile(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp samesign ugt i32 [[I_015]], 2
; CHECK-NEXT:    br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END4]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    call void @llvm.trap()
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP4:%.*]] = xor i8 [[TMP3]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    store volatile i8 [[TMP4]], ptr [[ARRAYIDX7]], align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:                                         ; preds = %for.body.preheader, %if.end4
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %if.end4

if.then:                                          ; preds = %for.body
  call void @llvm.trap()
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  store volatile i8 %1, ptr %arrayidx7, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}

define void @no_optimize_call(i32 %block_size) {
; CHECK-LABEL: define void @no_optimize_call(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp samesign ugt i32 [[I_015]], 2
; CHECK-NEXT:    br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END4]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    call void @llvm.trap()
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP4:%.*]] = xor i8 [[TMP3]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    call void @x(ptr null)
; CHECK-NEXT:    store volatile i8 [[TMP4]], ptr [[ARRAYIDX7]], align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:                                         ; preds = %for.body.preheader, %if.end4
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %if.end4

if.then:                                          ; preds = %for.body
  call void @llvm.trap()
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  call void @x(ptr null)
  store volatile i8 %1, ptr %arrayidx7, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}

define void @optimize_ubsan_trap(i32 %block_size) {
; CHECK-LABEL: define void @optimize_ubsan_trap(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    [[TMP1:%.*]] = add i32 [[BLOCK_SIZE]], -1
; CHECK-NEXT:    [[UMIN:%.*]] = call i32 @llvm.umin.i32(i32 [[TMP1]], i32 3)
; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 3, [[UMIN]]
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    br i1 [[TMP2]], label %[[IF_THEN:.*]], label %[[IF_END4]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    call void @llvm.ubsantrap(i8 1)
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP4:%.*]] = xor i8 [[TMP3]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    store i8 [[TMP4]], ptr [[ARRAYIDX7]], align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:                                         ; preds = %for.body.preheader, %if.end4
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %if.end4

if.then:                                          ; preds = %for.body
  call void @llvm.ubsantrap(i8 1)
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  store i8 %1, ptr %arrayidx7, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}

define void @no_optimize_arbitrary_call(i32 %block_size) {
; CHECK-LABEL: define void @no_optimize_arbitrary_call(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp samesign ugt i32 [[I_015]], 2
; CHECK-NEXT:    br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END4]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    call void @noreturn_with_argmem(ptr [[FOO_ARR]])
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP3:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP4:%.*]] = xor i8 [[TMP3]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    store i8 [[TMP4]], ptr [[ARRAYIDX7]], align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:                                         ; preds = %for.body.preheader, %if.end4
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %if.end4

if.then:                                          ; preds = %for.body
  call void @noreturn_with_argmem(ptr %foo_arr)
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  store i8 %1, ptr %arrayidx7, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}

define void @no_optimize_two_exits(i32 %block_size) {
; CHECK-LABEL: define void @no_optimize_two_exits(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    [[P:%.*]] = call i1 @pred()
; CHECK-NEXT:    br i1 [[P]], label %[[FOR_BODY_CONT:.*]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
; CHECK:       [[FOR_BODY_CONT]]:
; CHECK-NEXT:    [[CMP1:%.*]] = icmp samesign ugt i32 [[I_015]], 2
; CHECK-NEXT:    br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END4]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    call void @noreturn(ptr [[FOO_ARR]])
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP1:%.*]] = xor i8 [[TMP0]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    store i8 [[TMP1]], ptr [[ARRAYIDX7]], align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %p = call i1 @pred()
  br i1 %p, label %for.body.cont, label %for.cond.cleanup.loopexit

for.body.cont:                                         ; preds = %for.body.preheader, %if.end4
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %if.end4

if.then:                                          ; preds = %for.body
  call void @noreturn(ptr %foo_arr)
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  store i8 %1, ptr %arrayidx7, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}

define void @no_optimize_two_exits2(i32 %block_size) {
; CHECK-LABEL: define void @no_optimize_two_exits2(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp samesign ugt i32 [[I_015]], 2
; CHECK-NEXT:    br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[FOR_BODY_CONT:.*]]
; CHECK:       [[FOR_BODY_CONT]]:
; CHECK-NEXT:    [[P:%.*]] = call i1 @pred()
; CHECK-NEXT:    br i1 [[P]], label %[[IF_END4]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    call void @noreturn(ptr [[FOO_ARR]])
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP1:%.*]] = xor i8 [[TMP0]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    store i8 [[TMP1]], ptr [[ARRAYIDX7]], align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %for.body.cont

for.body.cont:                                         ; preds = %for.body.preheader, %if.end4
  %p = call i1 @pred()
  br i1 %p, label %if.end4, label %for.cond.cleanup.loopexit

if.then:                                          ; preds = %for.body
  call void @noreturn(ptr %foo_arr)
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  store i8 %1, ptr %arrayidx7, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}

define void @no_optimize_depdendent_ubsan_trap(i32 %block_size) {
; CHECK-LABEL: define void @no_optimize_depdendent_ubsan_trap(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp samesign ugt i32 [[I_015]], 2
; CHECK-NEXT:    br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END4]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    [[I_015_LCSSA:%.*]] = phi i32 [ [[I_015]], %[[FOR_BODY]] ]
; CHECK-NEXT:    call void @noreturn_with_i32(i32 [[I_015_LCSSA]])
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP1:%.*]] = xor i8 [[TMP0]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    store i8 [[TMP1]], ptr [[ARRAYIDX7]], align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:                                         ; preds = %for.body.preheader, %if.end4
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %if.end4

if.then:                                          ; preds = %for.body
  call void @noreturn_with_i32(i32 %i.015)
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  store i8 %1, ptr %arrayidx7, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}

define void @no_optimize_depdendent_load_trap(i32 %block_size) {
; CHECK-LABEL: define void @no_optimize_depdendent_load_trap(
; CHECK-SAME: i32 [[BLOCK_SIZE:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[FOO_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    [[BAR_ARR:%.*]] = alloca [2 x i8], align 16
; CHECK-NEXT:    call void @x(ptr nonnull [[FOO_ARR]])
; CHECK-NEXT:    [[CMP14_NOT:%.*]] = icmp eq i32 [[BLOCK_SIZE]], 0
; CHECK-NEXT:    br i1 [[CMP14_NOT]], label %[[FOR_COND_CLEANUP:.*]], label %[[FOR_BODY_PREHEADER:.*]]
; CHECK:       [[FOR_BODY_PREHEADER]]:
; CHECK-NEXT:    br label %[[FOR_BODY:.*]]
; CHECK:       [[FOR_COND_CLEANUP_LOOPEXIT:.*]]:
; CHECK-NEXT:    br label %[[FOR_COND_CLEANUP]]
; CHECK:       [[FOR_COND_CLEANUP]]:
; CHECK-NEXT:    call void @x(ptr nonnull [[BAR_ARR]])
; CHECK-NEXT:    ret void
; CHECK:       [[FOR_BODY]]:
; CHECK-NEXT:    [[I_015:%.*]] = phi i32 [ [[INC:%.*]], %[[IF_END4:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ]
; CHECK-NEXT:    [[CMP1:%.*]] = icmp samesign ugt i32 [[I_015]], 2
; CHECK-NEXT:    br i1 [[CMP1]], label %[[IF_THEN:.*]], label %[[IF_END4]]
; CHECK:       [[IF_THEN]]:
; CHECK-NEXT:    [[I_015_LCSSA:%.*]] = load i8, ptr [[FOO_ARR]], align 1
; CHECK-NEXT:    call void @noreturn_with_i8(i8 [[I_015_LCSSA]])
; CHECK-NEXT:    unreachable
; CHECK:       [[IF_END4]]:
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds nuw [1024 x i8], ptr [[FOO_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    [[TMP0:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
; CHECK-NEXT:    [[TMP1:%.*]] = xor i8 [[TMP0]], 54
; CHECK-NEXT:    [[ARRAYIDX7:%.*]] = getelementptr inbounds nuw [1025 x i8], ptr [[BAR_ARR]], i64 0, i32 [[I_015]]
; CHECK-NEXT:    store i8 [[TMP1]], ptr [[ARRAYIDX7]], align 1
; CHECK-NEXT:    [[INC]] = add nuw nsw i32 [[I_015]], 1
; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i32 [[INC]], [[BLOCK_SIZE]]
; CHECK-NEXT:    br i1 [[CMP]], label %[[FOR_BODY]], label %[[FOR_COND_CLEANUP_LOOPEXIT]]
;
entry:
  %foo_arr = alloca [2 x i8], align 16
  %bar_arr = alloca [2 x i8], align 16
  call void @x(ptr nonnull %foo_arr)
  %cmp14.not = icmp eq i32 %block_size, 0
  br i1 %cmp14.not, label %for.cond.cleanup, label %for.body.preheader

for.body.preheader:                               ; preds = %entry
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %if.end4
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  call void @x(ptr nonnull %bar_arr)
  ret void

for.body:                                         ; preds = %for.body.preheader, %if.end4
  %i.015 = phi i32 [ %inc, %if.end4 ], [ 0, %for.body.preheader ]
  %cmp1 = icmp samesign ugt i32 %i.015, 2
  br i1 %cmp1, label %if.then, label %if.end4

if.then:                                          ; preds = %for.body
  %r = load i8, ptr %foo_arr, align 1
  call void @noreturn_with_i8(i8 %r)
  unreachable

if.end4:                                          ; preds = %for.body
  %arrayidx = getelementptr inbounds nuw [1024 x i8], ptr %foo_arr, i64 0, i32 %i.015
  %0 = load i8, ptr %arrayidx, align 1
  %1 = xor i8 %0, 54
  %arrayidx7 = getelementptr inbounds nuw [1025 x i8], ptr %bar_arr, i64 0, i32 %i.015
  store i8 %1, ptr %arrayidx7, align 1
  %inc = add nuw nsw i32 %i.015, 1
  %cmp = icmp ult i32 %inc, %block_size
  br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}


declare void @x(ptr noundef) local_unnamed_addr
declare i1 @pred() local_unnamed_addr

declare void @llvm.trap() #0
declare void @noreturn(ptr) #0
declare void @noreturn_with_i32(i32) #0
declare void @noreturn_with_i8(i8) #0
declare void @noreturn_with_argmem(ptr) #1

attributes #0 = { cold noreturn nounwind memory(inaccessiblemem: write) }
attributes #1 = { cold noreturn nounwind memory(argmem: read) }