1; RUN: opt -passes=loop-distribute -verify-loop-info -verify-dom-info -S < %s | FileCheck %s 2; 3; Check that llvm.loop.distribute.enable overrides 4; llvm.loop.disable_nonforced. 5; 6 7define void @disable_nonforced(ptr noalias %a, ptr noalias %b, ptr noalias %c, ptr noalias %d, ptr noalias %e) { 8; CHECK-LABEL: @disable_nonforced( 9; CHECK: for.body.ldist1: 10entry: 11 br label %for.body 12 13for.body: 14 %ind = phi i64 [ 0, %entry ], [ %add, %for.body ] 15 16 %arrayidxA = getelementptr inbounds i32, ptr %a, i64 %ind 17 %loadA = load i32, ptr %arrayidxA, align 4 18 19 %arrayidxB = getelementptr inbounds i32, ptr %b, i64 %ind 20 %loadB = load i32, ptr %arrayidxB, align 4 21 22 %mulA = mul i32 %loadB, %loadA 23 24 %add = add nuw nsw i64 %ind, 1 25 %arrayidxA_plus_4 = getelementptr inbounds i32, ptr %a, i64 %add 26 store i32 %mulA, ptr %arrayidxA_plus_4, align 4 27 28 %arrayidxD = getelementptr inbounds i32, ptr %d, i64 %ind 29 %loadD = load i32, ptr %arrayidxD, align 4 30 31 %arrayidxE = getelementptr inbounds i32, ptr %e, i64 %ind 32 %loadE = load i32, ptr %arrayidxE, align 4 33 34 %mulC = mul i32 %loadD, %loadE 35 36 %arrayidxC = getelementptr inbounds i32, ptr %c, i64 %ind 37 store i32 %mulC, ptr %arrayidxC, align 4 38 39 %exitcond = icmp eq i64 %add, 20 40 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 41 42for.end: 43 ret void 44} 45 46!0 = distinct !{!0, !{!"llvm.loop.disable_nonforced"}, !{!"llvm.loop.distribute.enable", i32 1}} 47