; PR957 ; RUN: opt < %s -simplifycfg -S | FileCheck %s ; CHECK-NOT: select @G = extern_weak global i32 define i32 @test(i32 %tmp) { cond_false179: %tmp181 = icmp eq i32 %tmp, 0 ; <i1> [#uses=1] br i1 %tmp181, label %cond_true182, label %cond_next185 cond_true182: ; preds = %cond_false179 br label %cond_next185 cond_next185: ; preds = %cond_true182, %cond_false179 %d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ] ; <i32> [#uses=1] ret i32 %d0.3 } define i32 @test2(i32 %tmp) { cond_false179: %tmp181 = icmp eq i32 %tmp, 0 ; <i1> [#uses=1] br i1 %tmp181, label %cond_true182, label %cond_next185 cond_true182: ; preds = %cond_false179 br label %cond_next185 cond_next185: ; preds = %cond_true182, %cond_false179 %d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ] ; <i32> [#uses=1] call i32 @test( i32 4 ) ; <i32>:0 [#uses=0] ret i32 %d0.3 }