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1; RUN: opt < %s -passes=lcssa -S | FileCheck %s2 3declare i1 @c1()4 5declare i1 @c2()6 7define i32 @foo() {8; CHECK-LABEL: @foo9entry:10 br label %loop_begin11loop_begin: ; preds = %loop_body.2, %entry12 br i1 true, label %loop_body.1, label %loop_exit213loop_body.1: ; preds = %loop_begin14 %X.1 = add i32 0, 1 ; <i32> [#uses=1]15 %rel.1 = call i1 @c1( ) ; <i1> [#uses=1]16 br i1 %rel.1, label %loop_exit, label %loop_body.217loop_body.2: ; preds = %loop_body.118 %rel.2 = call i1 @c2( ) ; <i1> [#uses=1]19 br i1 %rel.2, label %loop_exit, label %loop_begin20loop_exit: ; preds = %loop_body.2, %loop_body.121; CHECK: %X.1.lcssa = phi22 ret i32 %X.123loop_exit2: ; preds = %loop_begin24 ret i32 125; CHECK-NOT: %X.1.lcssa126}27 28