1; RUN: llc -march=hexagon < %s | FileCheck %s 2 3; Check that a hardware loop is generated. 4; CHECK: loop0 5 6target triple = "hexagon" 7 8; Function Attrs: norecurse nounwind 9define dso_local void @f0(i32* nocapture readonly %a0, i32* nocapture %a1) local_unnamed_addr #0 { 10b0: 11 br label %b1 12 13b1: ; preds = %b1, %b0 14 %v0 = phi i32 [ %v3, %b1 ], [ 100, %b0 ] 15 %v1 = phi i32* [ %v6, %b1 ], [ %a1, %b0 ] 16 %v2 = phi i32* [ %v4, %b1 ], [ %a0, %b0 ] 17 %v3 = add nsw i32 %v0, -1 18 %v4 = getelementptr inbounds i32, i32* %v2, i32 1 19 %v5 = load i32, i32* %v2, align 4, !tbaa !1 20 %v6 = getelementptr inbounds i32, i32* %v1, i32 1 21 store i32 %v5, i32* %v1, align 4, !tbaa !1 22 %v7 = icmp eq i32 %v3, 0 23 br i1 %v7, label %b2, label %b1 24 25b2: ; preds = %b1 26 ret void 27} 28 29attributes #0 = { norecurse nounwind "target-cpu"="hexagonv62" } 30 31!llvm.module.flags = !{!0} 32 33!0 = !{i32 1, !"wchar_size", i32 4} 34!1 = !{!2, !2, i64 0} 35!2 = !{!"int", !3, i64 0} 36!3 = !{!"omnipotent char", !4, i64 0} 37!4 = !{!"Simple C/C++ TBAA"} 38