File: 2004-03-10-PHIInsertionBug.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; RUN: opt < %s -passes=indvars -disable-output

define void @test() {
        br label %endif.0.i

endif.0.i:              ; preds = %0
        br i1 false, label %then.3.i, label %endif.3.i

then.3.i:               ; preds = %endif.0.i
        br label %endif.3.i

endif.3.i:              ; preds = %then.3.i, %endif.0.i
        %inxm.0.i = phi i32 [ 8, %then.3.i ], [ 0, %endif.0.i ]         ; <i32> [#uses=1]
        %doinner.1.i = phi i32 [ 0, %then.3.i ], [ 0, %endif.0.i ]              ; <i32> [#uses=0]
        br label %loopentry.2.i

loopentry.2.i:          ; preds = %no_exit.2.i, %endif.3.i
        %inxk.0.i = phi i32 [ %tmp.210.i, %no_exit.2.i ], [ 0, %endif.3.i ]             ; <i32> [#uses=1]
        br label %no_exit.2.i

no_exit.2.i:            ; preds = %loopentry.2.i
        %tmp.210.i = sub i32 %inxk.0.i, %inxm.0.i               ; <i32> [#uses=2]
        %tmp.213.i = add i32 %tmp.210.i, 0              ; <i32> [#uses=0]
        br label %loopentry.2.i
}