; RUN: opt < %s -basic-aa -licm -S | FileCheck %s @b = external global i32, align 4 @fn3.i = external global i32, align 4 declare i32 @g() nounwind define i32 @f() { entry: br label %for.cond for.cond: ; preds = %for.end, %entry ; CHECK-LABEL: for.cond: ; CHECK: store i32 0, i32* @b store i32 0, i32* @b, align 4 br i1 true, label %for.body.preheader, label %for.end for.body.preheader: ; preds = %for.cond br label %for.body for.body: ; preds = %for.body, %for.body.preheader %g.15 = phi i32 [ undef, %for.body ], [ 0, %for.body.preheader ] %arrayidx2 = getelementptr inbounds i32, i32* @fn3.i, i64 0 %0 = load i32, i32* %arrayidx2, align 4 %call = call i32 @g() br i1 false, label %for.body, label %for.end.loopexit for.end.loopexit: ; preds = %for.body br label %for.end for.end: ; preds = %for.end.loopexit, %for.cond %whatever = phi i32 [ %call, %for.end.loopexit ], [ undef, %for.cond ] br i1 false, label %for.cond, label %if.then if.then: ; preds = %for.end ; CHECK-LABEL: if.then: ; CHECK: phi i32 [ {{.*}}, %for.end ] ; CHECK-NOT: store i32 0, i32* @b ; CHECK: ret i32 ret i32 %whatever }