1 ; RUN: opt -loop-distribute -enable-loop-distribute=1 -S < %s | FileCheck %s
3 ; Check that the disable_nonforced is honored by loop distribution.
5 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
7 ; CHECK-LABEL: @disable_nonforced(
8 ; CHECK-NOT: for.body.ldist1:
9 define void @disable_nonforced(i32* noalias %a,
18 %ind = phi i64 [ 0, %entry ], [ %add, %for.body ]
20 %arrayidxA = getelementptr inbounds i32, i32* %a, i64 %ind
21 %loadA = load i32, i32* %arrayidxA, align 4
23 %arrayidxB = getelementptr inbounds i32, i32* %b, i64 %ind
24 %loadB = load i32, i32* %arrayidxB, align 4
26 %mulA = mul i32 %loadB, %loadA
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
32 %arrayidxD = getelementptr inbounds i32, i32* %d, i64 %ind
33 %loadD = load i32, i32* %arrayidxD, align 4
35 %arrayidxE = getelementptr inbounds i32, i32* %e, i64 %ind
36 %loadE = load i32, i32* %arrayidxE, align 4
38 %mulC = mul i32 %loadD, %loadE
40 %arrayidxC = getelementptr inbounds i32, i32* %c, i64 %ind
41 store i32 %mulC, i32* %arrayidxC, align 4
43 %exitcond = icmp eq i64 %add, 20
44 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0
50 !0 = distinct !{!0, !{!"llvm.loop.disable_nonforced"}}