1 ; RUN: llc -march=hexagon -verify-machineinstrs=true < %s | FileCheck %s
2 ; Testing for these 5 variants of circular store:
3 ; Q6_circ_store_update_B(inputLR, pDelay, -1, nConvLength, 4);
4 ; Q6_circ_store_update_D(inputLR, pDelay, -1, nConvLength, 4);
5 ; Q6_circ_store_update_HL(inputLR, pDelay, -1, nConvLength, 4);
6 ; Q6_circ_store_update_HH(inputLR, pDelay, -1, nConvLength, 4);
7 ; Q6_circ_store_update_W(inputLR, pDelay, -1, nConvLength, 4);
9 ; memb(r1++#-1:circ(m0)) = r3
10 ; memd(r1++#-8:circ(m0)) = r1:0
11 ; memh(r1++#-2:circ(m0)) = r3
12 ; memh(r1++#-2:circ(m0)) = r3.h
13 ; memw(r1++#-4:circ(m0)) = r0
15 target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
16 target triple = "hexagon"
18 define zeroext i8 @foo1(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
20 %conv = zext i16 %filtMemLen to i32
21 %shr2 = lshr i32 %conv, 1
22 %idxprom = sext i16 %filtMemIndex to i32
23 %arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
24 %0 = bitcast i16* %arrayidx to i8*
25 %or = or i32 %shr2, 33554432
26 ; CHECK: memb(r{{[0-9]+}}++#-1:circ(m{{[0-1]}}))
27 %1 = tail call i8* @llvm.hexagon.circ.stb(i8* %0, i32 0, i32 %or, i32 -1)
31 declare i8* @llvm.hexagon.circ.stb(i8*, i32, i32, i32) nounwind
33 define i64 @foo2(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
35 %conv = zext i16 %filtMemLen to i32
36 %shr1 = lshr i32 %conv, 1
37 %idxprom = sext i16 %filtMemIndex to i32
38 %arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
39 %0 = bitcast i16* %arrayidx to i8*
40 %shl = shl nuw nsw i32 %shr1, 3
41 %or = or i32 %shl, 83886080
42 ; CHECK: memd(r{{[0-9]+}}++#-8:circ(m{{[0-1]}}))
43 %1 = tail call i8* @llvm.hexagon.circ.std(i8* %0, i64 undef, i32 %or, i32 -8)
47 declare i8* @llvm.hexagon.circ.std(i8*, i64, i32, i32) nounwind
49 define signext i16 @foo3(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
51 %conv = zext i16 %filtMemLen to i32
52 %shr2 = and i32 %conv, 65534
53 %idxprom = sext i16 %filtMemIndex to i32
54 %arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
55 %0 = bitcast i16* %arrayidx to i8*
56 %or = or i32 %shr2, 50331648
57 ; CHECK: memh(r{{[0-9]+}}++#-2:circ(m{{[0-1]}}))
58 %1 = tail call i8* @llvm.hexagon.circ.sth(i8* %0, i32 0, i32 %or, i32 -2)
62 declare i8* @llvm.hexagon.circ.sth(i8*, i32, i32, i32) nounwind
64 define signext i16 @foo5(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
66 %conv = zext i16 %filtMemLen to i32
67 %shr2 = and i32 %conv, 65534
68 %idxprom = sext i16 %filtMemIndex to i32
69 %arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
70 %0 = bitcast i16* %arrayidx to i8*
71 %or = or i32 %shr2, 50331648
72 ; CHECK: memh(r{{[0-9]+}}++#-2:circ(m{{[0-1]}})) = r{{[0-9]*}}.h
73 %1 = tail call i8* @llvm.hexagon.circ.sthhi(i8* %0, i32 0, i32 %or, i32 -2)
77 declare i8* @llvm.hexagon.circ.sthhi(i8*, i32, i32, i32) nounwind
79 define i32 @foo6(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
81 %conv = zext i16 %filtMemLen to i32
82 %shr1 = lshr i32 %conv, 1
83 %idxprom = sext i16 %filtMemIndex to i32
84 %arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
85 %0 = bitcast i16* %arrayidx to i8*
86 %shl = shl nuw nsw i32 %shr1, 2
87 %or = or i32 %shl, 67108864
88 ; CHECK: memw(r{{[0-9]+}}++#-4:circ(m{{[0-1]}}))
89 %1 = tail call i8* @llvm.hexagon.circ.stw(i8* %0, i32 undef, i32 %or, i32 -4)
93 declare i8* @llvm.hexagon.circ.stw(i8*, i32, i32, i32) nounwind
95 !0 = !{!"omnipotent char", !1}
96 !1 = !{!"Simple C/C++ TBAA"}