1; RUN: opt -loop-distribute -enable-loop-distribute=1 -S < %s | FileCheck %s 2; 3; Check that the disable_nonforced is honored by loop distribution. 4; 5target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 6 7; CHECK-LABEL: @disable_nonforced( 8; CHECK-NOT: for.body.ldist1: 9define void @disable_nonforced(i32* noalias %a, 10 i32* noalias %b, 11 i32* noalias %c, 12 i32* noalias %d, 13 i32* noalias %e) { 14entry: 15 br label %for.body 16 17for.body: 18 %ind = phi i64 [ 0, %entry ], [ %add, %for.body ] 19 20 %arrayidxA = getelementptr inbounds i32, i32* %a, i64 %ind 21 %loadA = load i32, i32* %arrayidxA, align 4 22 23 %arrayidxB = getelementptr inbounds i32, i32* %b, i64 %ind 24 %loadB = load i32, i32* %arrayidxB, align 4 25 26 %mulA = mul i32 %loadB, %loadA 27 28 %add = add nuw nsw i64 %ind, 1 29 %arrayidxA_plus_4 = getelementptr inbounds i32, i32* %a, i64 %add 30 store i32 %mulA, i32* %arrayidxA_plus_4, align 4 31 32 %arrayidxD = getelementptr inbounds i32, i32* %d, i64 %ind 33 %loadD = load i32, i32* %arrayidxD, align 4 34 35 %arrayidxE = getelementptr inbounds i32, i32* %e, i64 %ind 36 %loadE = load i32, i32* %arrayidxE, align 4 37 38 %mulC = mul i32 %loadD, %loadE 39 40 %arrayidxC = getelementptr inbounds i32, i32* %c, i64 %ind 41 store i32 %mulC, i32* %arrayidxC, align 4 42 43 %exitcond = icmp eq i64 %add, 20 44 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 45 46for.end: 47 ret void 48} 49 50!0 = distinct !{!0, !{!"llvm.loop.disable_nonforced"}} 51