1; RUN: opt -passes=loop-distribute -enable-loop-distribute -verify-loop-info -verify-dom-info -S < %s | FileCheck %s 2; 3; Check that the disable_nonforced is honored by loop distribution. 4; 5 6define void @disable_nonforced(ptr noalias %a, ptr noalias %b, ptr noalias %c, ptr noalias %d, ptr noalias %e) { 7; CHECK-LABEL: @disable_nonforced( 8; CHECK-NOT: for.body.ldist1: 9entry: 10 br label %for.body 11 12for.body: 13 %ind = phi i64 [ 0, %entry ], [ %add, %for.body ] 14 15 %arrayidxA = getelementptr inbounds i32, ptr %a, i64 %ind 16 %loadA = load i32, ptr %arrayidxA, align 4 17 18 %arrayidxB = getelementptr inbounds i32, ptr %b, i64 %ind 19 %loadB = load i32, ptr %arrayidxB, align 4 20 21 %mulA = mul i32 %loadB, %loadA 22 23 %add = add nuw nsw i64 %ind, 1 24 %arrayidxA_plus_4 = getelementptr inbounds i32, ptr %a, i64 %add 25 store i32 %mulA, ptr %arrayidxA_plus_4, align 4 26 27 %arrayidxD = getelementptr inbounds i32, ptr %d, i64 %ind 28 %loadD = load i32, ptr %arrayidxD, align 4 29 30 %arrayidxE = getelementptr inbounds i32, ptr %e, i64 %ind 31 %loadE = load i32, ptr %arrayidxE, align 4 32 33 %mulC = mul i32 %loadD, %loadE 34 35 %arrayidxC = getelementptr inbounds i32, ptr %c, i64 %ind 36 store i32 %mulC, ptr %arrayidxC, align 4 37 38 %exitcond = icmp eq i64 %add, 20 39 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 40 41for.end: 42 ret void 43} 44 45!0 = distinct !{!0, !{!"llvm.loop.disable_nonforced"}} 46