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      1 ; NOTE: Assertions have been autogenerated by update_test_checks.py
      2 ; RUN: opt < %s -simplifycfg -S | FileCheck %s
      3 
      4 @b = extern_weak global i32
      5 
      6 define i32 @foo(i1 %y) {
      7 ; CHECK-LABEL: @foo(
      8 ; CHECK:         [[COND_I:%.*]] = phi i32 [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb2 ], [ 0, %0 ]
      9 ; CHECK-NEXT:    ret i32 [[COND_I]]
     10 ;
     11   br i1 %y, label %bb1, label %bb2
     12 bb1:
     13   br label %bb3
     14 bb2:
     15   br label %bb3
     16 bb3:
     17   %cond.i = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb2 ]
     18   ret i32 %cond.i
     19 }
     20 
     21 define i32 @foo2(i1 %x) {
     22 ; CHECK-LABEL: @foo2(
     23 ; CHECK:         [[COND:%.*]] = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb0 ]
     24 ; CHECK-NEXT:    ret i32 [[COND]]
     25 ;
     26 bb0:
     27   br i1 %x, label %bb1, label %bb2
     28 bb1:
     29   br label %bb2
     30 bb2:
     31   %cond = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb0 ]
     32   ret i32 %cond
     33 }
     34