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1; RUN: opt < %s -S | FileCheck %s2 3; Test whether UTC checks empty lines instead of skipping them.4define i32 @test(i32 %x) {5entry:6 br label %block17 8block1:9 %cmp = icmp eq i32 %x, 010 br i1 %cmp, label %block2, label %exit111 12block2:13 br i1 %cmp, label %block3, label %exit214 15block3:16 br i1 %cmp, label %exit3, label %exit417 18exit1:19 ret i32 020 21exit2:22 ret i32 %x23 24exit3:25 ret i32 %x26 27exit4:28 ret i32 %x29}30