test/Transforms/ConstraintElimination/gep-add-multiple-indices.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s

target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

define i1 @test_outer_gep_last_index_no_overflow_all_inbounds_1(ptr %dst) {
; CHECK-LABEL: @test_outer_gep_last_index_no_overflow_all_inbounds_1(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds ptr, ptr [[DST:%.*]], i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds ptr, ptr [[DST]], i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST_0]], i64 1, i64 1
; CHECK-NEXT:    ret i1 true
;
  %dst.0 = getelementptr inbounds ptr, ptr %dst, i64 0
  %upper = getelementptr inbounds ptr, ptr %dst, i64 2
  %gep.1 = getelementptr inbounds [2 x i32] , ptr %dst.0, i64 1, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_outer_gep_last_index_no_overflow_all_inbounds_2(ptr %dst) {
; CHECK-LABEL: @test_outer_gep_last_index_no_overflow_all_inbounds_2(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds ptr, ptr [[DST:%.*]], i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds ptr, ptr [[DST]], i64 3
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST_0]], i64 1, i64 1
; CHECK-NEXT:    ret i1 true
;
  %dst.0 = getelementptr inbounds ptr, ptr %dst, i64 0
  %upper = getelementptr inbounds ptr, ptr %dst, i64 3
  %gep.1 = getelementptr inbounds [2 x i32] , ptr %dst.0, i64 1, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_outer_gep_last_index_overflow_all_inbounds(ptr %dst) {
; CHECK-LABEL: @test_outer_gep_last_index_overflow_all_inbounds(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds ptr, ptr [[DST:%.*]], i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds ptr, ptr [[DST]], i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST_0]], i64 1, i64 2
; CHECK-NEXT:    ret i1 false
;
  %dst.0 = getelementptr inbounds ptr, ptr %dst, i64 0
  %upper = getelementptr inbounds ptr, ptr %dst, i64 2
  %gep.1 = getelementptr inbounds [2 x i32] , ptr %dst.0, i64 1, i64 2
  %c = icmp ult ptr %gep.1, %upper
  ret i1 %c
}

define i1 @test_inner_gep_multiple_indices_ult_true_all_inbounds(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multiple_indices_ult_true_all_inbounds(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST]], i64 0, i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C]]
;
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 2
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 1
  %c = icmp ult ptr %gep.1, %upper
  ret i1 %c
}

define i1 @test_inner_gep_multiple_indices_uge_true_all_inbounds(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multiple_indices_uge_true_all_inbounds(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST]], i64 0, i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C:%.*]] = icmp uge ptr [[GEP_1]], [[DST_0]]
; CHECK-NEXT:    ret i1 [[C]]
;
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 2
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 1
  %c = icmp uge ptr %gep.1, %dst.0
  ret i1 %c
}

define i1 @test_inner_gep_multiple_indices_ult_false_all_inbounds(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multiple_indices_ult_false_all_inbounds(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST]], i64 0, i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 2
; CHECK-NEXT:    [[C:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C]]
;
entry:
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 2
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 2
  %c = icmp ult ptr %gep.1, %upper
  ret i1 %c
}

define i1 @test_inner_gep_multiple_indices_uge_true_all_inbounds_2(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multiple_indices_uge_true_all_inbounds_2(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST]], i64 0, i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 2
; CHECK-NEXT:    [[C:%.*]] = icmp uge ptr [[GEP_1]], [[DST_0]]
; CHECK-NEXT:    ret i1 [[C]]
;
entry:
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 2
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 2
  %c = icmp uge ptr %gep.1, %dst.0
  ret i1 %c
}

define i1 @test_inner_gep_multiple_indices_ult_true_inc_gep_all_inbounds_overflow(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multiple_indices_ult_true_inc_gep_all_inbounds_overflow(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST]], i64 0, i64 6
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr i32, ptr [[DST_0]], i64 2
; CHECK-NEXT:    [[C:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C]]
;
entry:
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 6
  %gep.1 = getelementptr i32, ptr %dst.0, i64 2
  %c = icmp ult ptr %gep.1, %upper
  ret i1 %c
}

define i1 @test_inner_gep_multiple_indices_ult_true_inc_gep_not_inbounds(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multiple_indices_ult_true_inc_gep_not_inbounds(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST]], i64 0, i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C]]
;
entry:
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 2
  %gep.1 = getelementptr i32, ptr %dst.0, i64 1
  %c = icmp ult ptr %gep.1, %upper
  ret i1 %c
}

define i1 @test_inner_gep_multiple_indices_uge_true_inc_gep_not_inbounds(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multiple_indices_uge_true_inc_gep_not_inbounds(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST]], i64 0, i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C]]
;
entry:
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 2
  %gep.1 = getelementptr i32, ptr %dst.0, i64 1
  %c = icmp ult ptr %gep.1, %upper
  ret i1 %c
}

define i1 @test_inner_gep_multiple_indices_ult_false_inc_gep_not_inbounds(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multiple_indices_ult_false_inc_gep_not_inbounds(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST]], i64 0, i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr i32, ptr [[DST_0]], i64 2
; CHECK-NEXT:    [[C:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C]]
;
entry:
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 2
  %gep.1 = getelementptr i32, ptr %dst.0, i64 2
  %c = icmp ult ptr %gep.1, %upper
  ret i1 %c
}

define i1 @test_inner_gep_multiple_indices_ult_true_inc_gep_not_inbounds_overflow(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multiple_indices_ult_true_inc_gep_not_inbounds_overflow(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST]], i64 0, i64 5
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr i32, ptr [[DST_0]], i64 2
; CHECK-NEXT:    [[C:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C]]
;
entry:
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 5
  %gep.1 = getelementptr i32, ptr %dst.0, i64 2
  %c = icmp ult ptr %gep.1, %upper
  ret i1 %c
}

define i1 @test_inner_gep_multi_index(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multi_index(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds ptr, ptr [[DST:%.*]], i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds ptr, ptr [[DST]], i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST_0]], i64 1, i64 1
; CHECK-NEXT:    ret i1 true
;
  %dst.0 = getelementptr inbounds ptr, ptr %dst, i64 0
  %upper = getelementptr inbounds ptr, ptr %dst, i64 2
  %gep.1 = getelementptr inbounds [2 x i32] , ptr %dst.0, i64 1, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_inner_gep_multi_index_outer_gep_last_index_no_overflow_all_inbounds(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multi_index_outer_gep_last_index_no_overflow_all_inbounds(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds ptr, ptr [[DST]], i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST_0]], i64 1, i64 1
; CHECK-NEXT:    [[C_1:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C_1]]
;
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 0
  %upper = getelementptr inbounds ptr, ptr %dst, i64 2
  %gep.1 = getelementptr inbounds [2 x i32] , ptr %dst.0, i64 1, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_inner_gep_multi_index_no_overflow_all_inbounds_1(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multi_index_no_overflow_all_inbounds_1(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 0, i64 1
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[DST]], i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C_1:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C_1]]
;
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 0, i64 1
  %upper = getelementptr inbounds i32, ptr %dst, i64 2
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_inner_gep_multi_index_no_overflow_all_inbounds_2(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multi_index_no_overflow_all_inbounds_2(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 1, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[DST]], i64 2
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C_1:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C_1]]
;
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 1, i64 0
  %upper = getelementptr inbounds i32, ptr %dst, i64 2
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_inner_gep_multi_index_no_overflow_all_inbounds_3(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multi_index_no_overflow_all_inbounds_3(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 1, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[DST]], i64 3
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C_1:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C_1]]
;
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 1, i64 0
  %upper = getelementptr inbounds i32, ptr %dst, i64 3
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_inner_gep_multi_index_no_overflow_all_inbounds_4(ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multi_index_no_overflow_all_inbounds_4(
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 1, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[DST]], i64 4
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C_1:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C_1]]
;
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 1, i64 0
  %upper = getelementptr inbounds i32, ptr %dst, i64 4
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_inner_gep_multi_index_no_overflow_all_inbounds_5(i64 %off, ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multi_index_no_overflow_all_inbounds_5(
; CHECK-NEXT:    [[OFF_ULT:%.*]] = icmp ule i64 [[OFF:%.*]], 2
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 2, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[DST]], i64 5
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C_1:%.*]] = icmp ule ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C_1]]
;
  %off.ult = icmp ule i64 %off, 2
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 2, i64 0
  %upper = getelementptr inbounds i32, ptr %dst, i64 5
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 1
  %c.1 = icmp ule ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_inner_gep_multi_index_no_overflow_all_inbounds_6(i64 %off, ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multi_index_no_overflow_all_inbounds_6(
; CHECK-NEXT:    [[OFF_ULT:%.*]] = icmp ule i64 [[OFF:%.*]], 2
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 2, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[DST]], i64 5
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C_1:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C_1]]
;
  %off.ult = icmp ule i64 %off, 2
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 2, i64 0
  %upper = getelementptr inbounds i32, ptr %dst, i64 5
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}

define i1 @test_inner_gep_multi_index_no_overflow_all_inbounds_7(i64 %off, ptr %dst) {
; CHECK-LABEL: @test_inner_gep_multi_index_no_overflow_all_inbounds_7(
; CHECK-NEXT:    [[OFF_ULT:%.*]] = icmp ule i64 [[OFF:%.*]], 2
; CHECK-NEXT:    [[DST_0:%.*]] = getelementptr inbounds [2 x i32], ptr [[DST:%.*]], i64 2, i64 0
; CHECK-NEXT:    [[UPPER:%.*]] = getelementptr inbounds i32, ptr [[DST]], i64 [[OFF]]
; CHECK-NEXT:    [[GEP_1:%.*]] = getelementptr inbounds i32, ptr [[DST_0]], i64 1
; CHECK-NEXT:    [[C_1:%.*]] = icmp ult ptr [[GEP_1]], [[UPPER]]
; CHECK-NEXT:    ret i1 [[C_1]]
;
  %off.ult = icmp ule i64 %off, 2
  %dst.0 = getelementptr inbounds [2 x i32], ptr %dst, i64 2, i64 0
  %upper = getelementptr inbounds i32, ptr %dst, i64 %off
  %gep.1 = getelementptr inbounds i32, ptr %dst.0, i64 1
  %c.1 = icmp ult ptr %gep.1, %upper
  ret i1 %c.1
}