; Basic block #2 should not be merged into BB #3! ; ; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s declare void @foo() define void @cprop_test12(i32* %data) { bb0: %reg108 = load i32, i32* %data ; <i32> [#uses=2] %cond218 = icmp ne i32 %reg108, 5 ; <i1> [#uses=1] br i1 %cond218, label %bb3, label %bb2 bb2: ; preds = %bb0 call void @foo( ) ; CHECK: br label %bb3 br label %bb3 bb3: ; preds = %bb2, %bb0 %reg117 = phi i32 [ 110, %bb2 ], [ %reg108, %bb0 ] ; <i32> [#uses=1] store i32 %reg117, i32* %data ret void }