| ; RUN: llc -march=hexagon < %s | FileCheck %s | |
| ; CHECK: loop0 | |
| target triple = "hexagon" | |
| ; Function Attrs: nounwind readonly | |
| define i32 @f0(i8* nocapture %a0, i8* nocapture %a1, i32 %a2) #0 { | |
| b0: | |
| %v0 = icmp eq i32 %a2, 0 | |
| br i1 %v0, label %b6, label %b1 | |
| b1: ; preds = %b0 | |
| br label %b2 | |
| b2: ; preds = %b4, %b1 | |
| %v1 = phi i8* [ %v10, %b4 ], [ %a1, %b1 ] | |
| %v2 = phi i8* [ %v9, %b4 ], [ %a0, %b1 ] | |
| %v3 = phi i32 [ %v11, %b4 ], [ %a2, %b1 ] | |
| %v4 = load i8, i8* %v2, align 1, !tbaa !0 | |
| %v5 = load i8, i8* %v1, align 1, !tbaa !0 | |
| %v6 = icmp eq i8 %v4, %v5 | |
| br i1 %v6, label %b4, label %b3 | |
| b3: ; preds = %b2 | |
| %v7 = icmp ult i8 %v4, %v5 | |
| %v8 = select i1 %v7, i32 -1, i32 1 | |
| br label %b6 | |
| b4: ; preds = %b2 | |
| %v9 = getelementptr inbounds i8, i8* %v2, i32 1 | |
| %v10 = getelementptr inbounds i8, i8* %v1, i32 1 | |
| %v11 = add i32 %v3, -1 | |
| %v12 = icmp eq i32 %v11, 0 | |
| br i1 %v12, label %b5, label %b2 | |
| b5: ; preds = %b4 | |
| br label %b6 | |
| b6: ; preds = %b5, %b3, %b0 | |
| %v13 = phi i32 [ %v8, %b3 ], [ 0, %b0 ], [ 0, %b5 ] | |
| ret i32 %v13 | |
| } | |
| attributes #0 = { nounwind readonly "target-cpu"="hexagonv55" } | |
| !0 = !{!1, !1, i64 0} | |
| !1 = !{!"omnipotent char", !2} | |
| !2 = !{!"Simple C/C++ TBAA"} |