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

target triple = "x86_64-unknown-linux-gnu"

@c = external global i32, align 4

define i1 @d() {
; CHECK-LABEL: @d(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[G:%.*]] = alloca [8 x i64], align 16
; CHECK-NEXT:    [[IDX1:%.*]] = getelementptr inbounds [8 x i64], [8 x i64]* [[G]], i64 0, i64 0
; CHECK-NEXT:    [[V1:%.*]] = load i64, i64* [[IDX1]], align 8
; CHECK-NEXT:    [[IDX2:%.*]] = getelementptr inbounds [8 x i64], [8 x i64]* [[G]], i64 0, i64 0
; CHECK-NEXT:    [[V2:%.*]] = load i64, i64* [[IDX2]], align 8
; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i64 [[V1]], [[V2]]
; CHECK-NEXT:    br label [[SPLIT:%.*]]
; CHECK:       split:
; CHECK-NEXT:    [[X:%.*]] = load volatile i32, i32* @c, align 4
; CHECK-NEXT:    br i1 [[CMP]], label [[IF:%.*]], label [[EXIT:%.*]]
; CHECK:       if:
; CHECK-NEXT:    [[TOBOOL:%.*]] = icmp ne i32 [[X]], 0
; CHECK-NEXT:    br label [[EXIT]]
; CHECK:       exit:
; CHECK-NEXT:    [[P:%.*]] = phi i1 [ false, [[SPLIT]] ], [ [[TOBOOL]], [[IF]] ]
; CHECK-NEXT:    ret i1 [[P]]
;
entry:
  %g = alloca [8 x i64], align 16
  %idx1 = getelementptr inbounds [8 x i64], [8 x i64]* %g, i64 0, i64 0
  %v1 = load i64, i64* %idx1, align 8
  %idx2 = getelementptr inbounds [8 x i64], [8 x i64]* %g, i64 0, i64 0
  %v2 = load i64, i64* %idx2, align 8
  %cmp = icmp eq i64 %v1, %v2
  br label %split

split:
  %x = load volatile i32, i32* @c, align 4
  br i1 %cmp, label %if, label %exit

if:
  %tobool = icmp ne i32 %x, 0
  br label %exit

exit:
  %p = phi i1 [ false, %split ], [ %tobool, %if ]
  ret i1 %p
}