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      1 ; PR957
      2 ; RUN: opt < %s -simplifycfg -S | FileCheck %s
      3 
      4 ; CHECK-NOT: select
      5 
      6 @G = extern_weak global i32
      7 
      8 define i32 @test(i32 %tmp) {
      9 cond_false179:
     10 	%tmp181 = icmp eq i32 %tmp, 0		; <i1> [#uses=1]
     11 	br i1 %tmp181, label %cond_true182, label %cond_next185
     12 cond_true182:		; preds = %cond_false179
     13 	br label %cond_next185
     14 cond_next185:		; preds = %cond_true182, %cond_false179
     15 	%d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ]		; <i32> [#uses=1]
     16 	ret i32 %d0.3
     17 }
     18 
     19 define i32 @test2(i32 %tmp) {
     20 cond_false179:
     21 	%tmp181 = icmp eq i32 %tmp, 0		; <i1> [#uses=1]
     22 	br i1 %tmp181, label %cond_true182, label %cond_next185
     23 cond_true182:		; preds = %cond_false179
     24 	br label %cond_next185
     25 cond_next185:		; preds = %cond_true182, %cond_false179
     26 	%d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ]		; <i32> [#uses=1]
     27 	call i32 @test( i32 4 )		; <i32>:0 [#uses=0]
     28 	ret i32 %d0.3
     29 }
     30