xref: /llvm-project/llvm/test/Transforms/LoadStoreVectorizer/AMDGPU/selects.ll (revision f0415f2a456d54daaa231c228d2c9f4ef2ce9b89)
1; RUN: opt -mtriple=amdgcn-amd-amdhsa -passes=load-store-vectorizer,dce -S -o - %s | FileCheck %s
2
3target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-p7:160:256:256:32-p8:128:128-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5"
4
5define void @base_case(i1 %cnd, ptr addrspace(1) %a, ptr addrspace(1) %b, ptr addrspace(1) %out) {
6; CHECK-LABEL: @base_case
7; CHECK: load <3 x i32>
8entry:
9  %gep1 = getelementptr inbounds i32, ptr addrspace(1) %a, i64 1
10  %gep2 = getelementptr inbounds i32, ptr addrspace(1) %a, i64 2
11  %gep4 = getelementptr inbounds i32, ptr addrspace(1) %b, i64 1
12  %gep5 = getelementptr inbounds i32, ptr addrspace(1) %b, i64 2
13  %selected = select i1 %cnd, ptr addrspace(1) %a, ptr addrspace(1) %b
14  %selected14 = select i1 %cnd, ptr addrspace(1) %gep1, ptr addrspace(1) %gep4
15  %selected25 = select i1 %cnd, ptr addrspace(1) %gep2, ptr addrspace(1) %gep5
16  %val0 = load i32, ptr addrspace(1) %selected, align 4
17  %val1 = load i32, ptr addrspace(1) %selected14, align 4
18  %val2 = load i32, ptr addrspace(1) %selected25, align 4
19  %t0 = insertelement <3 x i32> undef, i32 %val0, i32 0
20  %t1 = insertelement <3 x i32> %t0, i32 %val1, i32 1
21  %t2 = insertelement <3 x i32> %t1, i32 %val2, i32 2
22  store <3 x i32> %t2, ptr addrspace(1) %out
23  ret void
24}
25
26define void @scev_targeting_complex_case(i1 %cnd, ptr addrspace(1) %a, ptr addrspace(1) %b, i32 %base, ptr addrspace(1) %out) {
27; CHECK-LABEL: @scev_targeting_complex_case
28; CHECK: load <2 x i32>
29entry:
30  %base.x4 = shl i32 %base, 2
31  %base.x4.p1 = add i32 %base.x4, 1
32  %base.x4.p2 = add i32 %base.x4, 2
33  %base.x4.p3 = add i32 %base.x4, 3
34  %zext.x4 = zext i32 %base.x4 to i64
35  %zext.x4.p1 = zext i32 %base.x4.p1 to i64
36  %zext.x4.p2 = zext i32 %base.x4.p2 to i64
37  %zext.x4.p3 = zext i32 %base.x4.p3 to i64
38  %base.x16 = mul i64 %zext.x4, 4
39  %base.x16.p4 = shl i64 %zext.x4.p1, 2
40  %base.x16.p8 = shl i64 %zext.x4.p2, 2
41  %base.x16.p12 = mul i64 %zext.x4.p3, 4
42  %gep.a.base.x16 = getelementptr inbounds i8, ptr addrspace(1) %a, i64 %base.x16
43  %gep.b.base.x16.p4 = getelementptr inbounds i8, ptr addrspace(1) %b, i64 %base.x16.p4
44  %gep.a.base.x16.p8 = getelementptr inbounds i8, ptr addrspace(1) %a, i64 %base.x16.p8
45  %gep.b.base.x16.p12 = getelementptr inbounds i8, ptr addrspace(1) %b, i64 %base.x16.p12
46  %selected.base.x16.p0.or.4 = select i1 %cnd, ptr addrspace(1) %gep.a.base.x16, ptr addrspace(1) %gep.b.base.x16.p4
47  %gep.selected.base.x16.p8.or.12 = select i1 %cnd, ptr addrspace(1) %gep.a.base.x16.p8, ptr addrspace(1) %gep.b.base.x16.p12
48  %selected.base.x16.p40.or.44 = getelementptr inbounds i32, ptr addrspace(1) %selected.base.x16.p0.or.4, i64 10
49  %selected.base.x16.p44.or.48 = getelementptr inbounds i32, ptr addrspace(1) %gep.selected.base.x16.p8.or.12, i64 9
50  %val0 = load i32, ptr addrspace(1) %selected.base.x16.p40.or.44, align 4
51  %val1 = load i32, ptr addrspace(1) %selected.base.x16.p44.or.48, align 4
52  %t0 = insertelement <2 x i32> undef, i32 %val0, i32 0
53  %t1 = insertelement <2 x i32> %t0, i32 %val1, i32 1
54  store <2 x i32> %t1, ptr addrspace(1) %out
55  ret void
56}
57
58define void @nested_selects(i1 %cnd0, i1 %cnd1, ptr addrspace(1) %a, ptr addrspace(1) %b, i32 %base, ptr addrspace(1) %out) {
59; CHECK-LABEL: @nested_selects
60; CHECK: load <2 x i32>
61entry:
62  %base.p1 = add nsw i32 %base, 1
63  %base.p2 = add i32 %base, 2
64  %base.p3 = add nsw i32 %base, 3
65  %base.x4 = mul i32 %base, 4
66  %base.x4.p5 = add i32 %base.x4, 5
67  %base.x4.p6 = add i32 %base.x4, 6
68  %sext = sext i32 %base to i64
69  %sext.p1 = sext i32 %base.p1 to i64
70  %sext.p2 = sext i32 %base.p2 to i64
71  %sext.p3 = sext i32 %base.p3 to i64
72  %sext.x4.p5 = sext i32 %base.x4.p5 to i64
73  %sext.x4.p6 = sext i32 %base.x4.p6 to i64
74  %gep.a.base = getelementptr inbounds i32, ptr addrspace(1) %a, i64 %sext
75  %gep.a.base.p1 = getelementptr inbounds i32, ptr addrspace(1) %a, i64 %sext.p1
76  %gep.a.base.p2 = getelementptr inbounds i32, ptr addrspace(1) %a, i64 %sext.p2
77  %gep.a.base.p3 = getelementptr inbounds i32, ptr addrspace(1) %a, i64 %sext.p3
78  %gep.b.base.x4.p5 = getelementptr inbounds i32, ptr addrspace(1) %a, i64 %sext.x4.p5
79  %gep.b.base.x4.p6 = getelementptr inbounds i32, ptr addrspace(1) %a, i64 %sext.x4.p6
80  %selected.1.L = select i1 %cnd1, ptr addrspace(1) %gep.a.base.p2, ptr addrspace(1) %gep.b.base.x4.p5
81  %selected.1.R = select i1 %cnd1, ptr addrspace(1) %gep.a.base.p3, ptr addrspace(1) %gep.b.base.x4.p6
82  %selected.0.L = select i1 %cnd0, ptr addrspace(1) %gep.a.base, ptr addrspace(1) %selected.1.L
83  %selected.0.R = select i1 %cnd0, ptr addrspace(1) %gep.a.base.p1, ptr addrspace(1) %selected.1.R
84  %val0 = load i32, ptr addrspace(1) %selected.0.L, align 4
85  %val1 = load i32, ptr addrspace(1) %selected.0.R, align 4
86  %t0 = insertelement <2 x i32> undef, i32 %val0, i32 0
87  %t1 = insertelement <2 x i32> %t0, i32 %val1, i32 1
88  store <2 x i32> %t1, ptr addrspace(1) %out
89  ret void
90}
91