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1; RUN: opt < %s -S | FileCheck %s2 3define i32 @phi_after_label(i1 %cc) {4entry:5 br i1 %cc, label %then, label %end6 7then:8 br label %end9 10end:11 %r = phi i32 [ 0, %entry ], [ 1, %then ]12 ret i32 %r13}14 15define void @phi_before_label(i32 %bound) {16entry:17 br label %loop18 19loop:20 %ctr = phi i32 [ 0, %entry ], [ %ctr.next, %loop ]21 %ctr.next = add i32 %ctr, 122 %cc = icmp ult i32 %ctr.next, %bound23 br i1 %cc, label %loop, label %end24 25end:26 ret void27}28 29define i32 @phi_after_label_unnamed(i1 %cc) {300:31 br i1 %cc, label %1, label %232 331:34 br label %235 362:37 %r = phi i32 [ 0, %0 ], [ 1, %1 ]38 ret i32 %r39}40