| ; RUN: llc -march=hexagon < %s | FileCheck %s |
| |
| ; Check that a hardware loop is generated. |
| ; CHECK: loop0 |
| |
| target triple = "hexagon" |
| |
| ; Function Attrs: norecurse nounwind |
| define dso_local void @f0(i32* nocapture readonly %a0, i32* nocapture %a1) local_unnamed_addr #0 { |
| b0: |
| br label %b1 |
| |
| b1: ; preds = %b1, %b0 |
| %v0 = phi i32 [ %v3, %b1 ], [ 100, %b0 ] |
| %v1 = phi i32* [ %v6, %b1 ], [ %a1, %b0 ] |
| %v2 = phi i32* [ %v4, %b1 ], [ %a0, %b0 ] |
| %v3 = add nsw i32 %v0, -1 |
| %v4 = getelementptr inbounds i32, i32* %v2, i32 1 |
| %v5 = load i32, i32* %v2, align 4, !tbaa !1 |
| %v6 = getelementptr inbounds i32, i32* %v1, i32 1 |
| store i32 %v5, i32* %v1, align 4, !tbaa !1 |
| %v7 = icmp eq i32 %v3, 0 |
| br i1 %v7, label %b2, label %b1 |
| |
| b2: ; preds = %b1 |
| ret void |
| } |
| |
| attributes #0 = { norecurse nounwind "target-cpu"="hexagonv62" } |
| |
| !llvm.module.flags = !{!0} |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |
| !1 = !{!2, !2, i64 0} |
| !2 = !{!"int", !3, i64 0} |
| !3 = !{!"omnipotent char", !4, i64 0} |
| !4 = !{!"Simple C/C++ TBAA"} |
