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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=thumbv7 %s -o - | FileCheck %s3 4; Test the branch to return in BB4 is converted to return.5 6define i32 @foo(ptr %x, i32 %n) {7; CHECK-LABEL: foo:8; CHECK: @ %bb.0: @ %entry9; CHECK-NEXT: cmp r1, #110; CHECK-NEXT: blt .LBB0_411; CHECK-NEXT: @ %bb.1: @ %for.body.preheader12; CHECK-NEXT: bic r3, r1, #313; CHECK-NEXT: mov r12, r014; CHECK-NEXT: cmp r1, #415; CHECK-NEXT: bhs .LBB0_316; CHECK-NEXT: @ %bb.2:17; CHECK-NEXT: movs r0, #018; CHECK-NEXT: b .LBB0_619; CHECK-NEXT: .LBB0_3: @ %middle.block20; CHECK-NEXT: cmp r1, r321; CHECK-NEXT: bne .LBB0_522; CHECK-NEXT: .LBB0_4:23; CHECK-NEXT: movs r0, #024; CHECK-NEXT: bx lr25; CHECK-NEXT: .LBB0_5:26; CHECK-NEXT: ldr.w r0, [r12]27; CHECK-NEXT: .LBB0_6: @ %for.body.preheader128; CHECK-NEXT: subs r3, r1, r329; CHECK-NEXT: mvn r2, #1230; CHECK-NEXT: and.w r1, r2, r1, lsl #231; CHECK-NEXT: add r1, r1232; CHECK-NEXT: .LBB0_7: @ %for.body33; CHECK-NEXT: @ =>This Inner Loop Header: Depth=134; CHECK-NEXT: ldr r2, [r1], #435; CHECK-NEXT: subs r3, #136; CHECK-NEXT: add r0, r237; CHECK-NEXT: bne .LBB0_738; CHECK-NEXT: @ %bb.8: @ %for.cond.cleanup39; CHECK-NEXT: bx lr40entry:41 %n.vec = and i32 %n, -442 %cmp6 = icmp sgt i32 %n, 043 br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup44 45for.body.preheader: ; preds = %entry46 %min.iters.check = icmp ult i32 %n, 447 br i1 %min.iters.check, label %for.body.preheader1, label %middle.block48 49middle.block:50 %x3 = load i32, ptr %x, align 451 %cmp.n = icmp eq i32 %n.vec, %n52 br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader153 54for.body.preheader1: ; preds = %middle.block, %for.body.preheader55 %r.07.ph = phi i32 [ 0, %for.body.preheader ], [ %x3, %middle.block ]56 br label %for.body57 58for.body: ; preds = %for.body.preheader1, %for.body59 %i.08 = phi i32 [ %inc, %for.body ], [ %n.vec, %for.body.preheader1 ]60 %r.07 = phi i32 [ %add, %for.body ], [ %r.07.ph, %for.body.preheader1 ]61 %arrayidx = getelementptr inbounds i32, ptr %x, i32 %i.0862 %v5 = load i32, ptr %arrayidx, align 463 %add = add nsw i32 %v5, %r.0764 %inc = add nuw nsw i32 %i.08, 165 %exitcond = icmp eq i32 %inc, %n66 br i1 %exitcond, label %for.cond.cleanup, label %for.body67 68for.cond.cleanup: ; preds = %for.body, %middle.block, %entry69 %r.0.lcssa = phi i32 [ 0, %entry ], [ 0, %middle.block ], [ %add, %for.body ]70 ret i32 %r.0.lcssa71}72