1; Tests loop-simplify does not move the loop metadata, because 2; the loopexit block is not the latch of the loop _bb6. 3 4; RUN: opt < %s -passes=loop-simplify -S | FileCheck %s 5; CHECK-LABEL: loop.header.loopexit: 6; CHECK: br label %loop.header, !llvm.loop !0 7; CHECK-LABEL: loop.latch: 8; CHECK: br i1 %p, label %loop.latch, label %loop.header.loopexit, !llvm.loop !0 9 10define void @func(i1 %p) { 11entry: 12 br label %loop.header 13 14loop.header: 15 br i1 %p, label %bb1, label %exit 16 17bb1: 18 br i1 %p, label %bb2, label %bb3 19 20bb2: 21 br label %bb3 22 23bb3: 24 br label %loop.latch 25 26loop.latch: 27 br i1 %p, label %loop.latch, label %loop.header, !llvm.loop !0 28 29exit: 30 ret void 31} 32 33!0 = distinct !{!0, !1} 34!1 = !{!"llvm.loop.mustprogress"} 35