1 ; RUN: llvm-as %s -o /dev/null 2 3 ; Dominance relationships is not calculated correctly for unreachable blocks, 4 ; which causes the verifier to barf on this input. 5 6 define i32 @test(i1 %b) { 7 BB0: 8 ret i32 7 ; Loop is unreachable 9 10 Loop: ; preds = %L2, %Loop 11 %B = phi i32 [ %B, %L2 ], [ %B, %Loop ] ;PHI has same value always. 12 br i1 %b, label %L2, label %Loop 13 14 L2: ; preds = %Loop 15 br label %Loop 16 } 17 18
