1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner -pipeliner-max-stages=2 -hexagon-bit=0 < %s | FileCheck %s
3 ; Very similar to swp-stages4.ll, but the pipelined schedule is a little
6 ; CHECK: = memub(r{{[0-9]+}}++#1)
7 ; CHECK-DAG: [[REG0:(r[0-9]+)]] = memub(r{{[0-9]+}}++#1)
8 ; CHECK-DAG: loop0(.LBB0_[[LOOP:.]],
9 ; CHECK: .LBB0_[[LOOP]]:
10 ; CHECK: = and([[REG0]],#255)
11 ; CHECK: [[REG0]]{{[:0-9]*}} =
14 define void @fred(i8* noalias nocapture %src, i32 %srcWidth, i32 %srcHeight, i32 %srcStride, i8* noalias nocapture %dst, i32 %dstStride) #0 {
16 %sub = add i32 %srcWidth, -1
17 %sub1 = add i32 %srcHeight, -1
18 %add.ptr = getelementptr inbounds i8, i8* %src, i32 %srcStride
19 %add.ptr.sum = mul i32 %srcStride, 2
20 %add.ptr2 = getelementptr inbounds i8, i8* %src, i32 %add.ptr.sum
21 %cmp212 = icmp ugt i32 %sub1, 1
22 br i1 %cmp212, label %for.body.lr.ph, label %for.end
25 br label %for.body74.preheader
28 %0 = load i8, i8* %add.ptr, align 1, !tbaa !0
29 %arrayidx40 = getelementptr inbounds i8, i8* %add.ptr, i32 1
30 %1 = load i8, i8* %arrayidx40, align 1, !tbaa !0
31 %2 = load i8, i8* %add.ptr, align 1, !tbaa !0
32 %arrayidx46 = getelementptr inbounds i8, i8* %add.ptr, i32 1
33 %3 = load i8, i8* %arrayidx46, align 1, !tbaa !0
37 %4 = phi i8 [ %9, %for.body74 ], [ %3, %for.body74.preheader ]
38 %5 = phi i8 [ %4, %for.body74 ], [ %2, %for.body74.preheader ]
39 %6 = phi i8 [ %8, %for.body74 ], [ %1, %for.body74.preheader ]
40 %7 = phi i8 [ %6, %for.body74 ], [ %0, %for.body74.preheader ]
41 %j.0211 = phi i32 [ %add81, %for.body74 ], [ 1, %for.body74.preheader ]
42 %conv77 = zext i8 %7 to i32
43 %conv79 = zext i8 %6 to i32
44 %add80 = add nsw i32 %conv79, %conv77
45 %add81 = add i32 %j.0211, 1
46 %arrayidx82 = getelementptr inbounds i8, i8* %src, i32 %add81
47 %8 = load i8, i8* %arrayidx82, align 1, !tbaa !0
48 %conv83 = zext i8 %8 to i32
49 %add84 = add nsw i32 %add80, %conv83
50 %conv87 = zext i8 %5 to i32
51 %add88 = add nsw i32 %add84, %conv87
52 %conv90 = zext i8 %4 to i32
53 %add91 = add nsw i32 %add88, %conv90
54 %arrayidx93 = getelementptr inbounds i8, i8* %add.ptr, i32 %add81
55 %9 = load i8, i8* %arrayidx93, align 1, !tbaa !0
56 %conv94 = zext i8 %9 to i32
57 %add95 = add nsw i32 %add91, %conv94
58 %mul96 = mul nsw i32 %add95, 7282
59 %add97 = add nsw i32 %mul96, 32768
60 %shr98208 = lshr i32 %add97, 16
61 %conv99 = trunc i32 %shr98208 to i8
62 %add.ptr5.sum209 = add i32 %j.0211, %dstStride
63 %arrayidx100 = getelementptr inbounds i8, i8* %dst, i32 %add.ptr5.sum209
64 store i8 %conv99, i8* %arrayidx100, align 1, !tbaa !0
65 %exitcond = icmp eq i32 %add81, %sub
66 br i1 %exitcond, label %for.end103.loopexit, label %for.body74
75 attributes #0 = { nounwind }
77 !0 = !{!"omnipotent char", !1}
78 !1 = !{!"Simple C/C++ TBAA"}