1 ; RUN: opt -mtriple=amdgcn-amd-amdhsa -passes=load-store-vectorizer -S -o - %s | FileCheck %s
2 ; RUN: opt -mtriple=amdgcn-amd-amdhsa -aa-pipeline=basic-aa -passes='function(load-store-vectorizer)' -S -o - %s | FileCheck %s
4 target 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"
6 ; Check position of the inserted vector load/store. Vectorized loads should be
7 ; inserted at the position of the first load in the chain, and stores should be
8 ; inserted at the position of the last store.
10 ; CHECK-LABEL: @insert_load_point(
11 ; CHECK: %z = add i32 %x, 4
12 ; CHECK: load <2 x float>
13 ; CHECK: %w = add i32 %y, 9
14 ; CHECK: %foo = add i32 %z, %w
15 define amdgpu_kernel void @insert_load_point(ptr addrspace(1) nocapture %a, ptr addrspace(1) nocapture %b, ptr addrspace(1) nocapture readonly %c, i64 %idx, i32 %x, i32 %y) #0 {
17 %a.idx.x = getelementptr inbounds float, ptr addrspace(1) %a, i64 %idx
18 %c.idx.x = getelementptr inbounds float, ptr addrspace(1) %c, i64 %idx
19 %a.idx.x.1 = getelementptr inbounds float, ptr addrspace(1) %a.idx.x, i64 1
20 %c.idx.x.1 = getelementptr inbounds float, ptr addrspace(1) %c.idx.x, i64 1
23 %ld.c = load float, ptr addrspace(1) %c.idx.x, align 4
25 %ld.c.idx.1 = load float, ptr addrspace(1) %c.idx.x.1, align 4
28 store float 0.0, ptr addrspace(1) %a.idx.x, align 4
29 store float 0.0, ptr addrspace(1) %a.idx.x.1, align 4
31 %add = fadd float %ld.c, %ld.c.idx.1
32 store float %add, ptr addrspace(1) %b, align 4
33 store i32 %foo, ptr addrspace(3) null, align 4
37 ; CHECK-LABEL: @insert_store_point(
38 ; CHECK: %z = add i32 %x, 4
39 ; CHECK: %w = add i32 %y, 9
40 ; CHECK: store <2 x float>
41 ; CHECK: %foo = add i32 %z, %w
42 define amdgpu_kernel void @insert_store_point(ptr addrspace(1) nocapture %a, ptr addrspace(1) nocapture %b, ptr addrspace(1) nocapture readonly %c, i64 %idx, i32 %x, i32 %y) #0 {
44 %a.idx.x = getelementptr inbounds float, ptr addrspace(1) %a, i64 %idx
45 %c.idx.x = getelementptr inbounds float, ptr addrspace(1) %c, i64 %idx
46 %a.idx.x.1 = getelementptr inbounds float, ptr addrspace(1) %a.idx.x, i64 1
47 %c.idx.x.1 = getelementptr inbounds float, ptr addrspace(1) %c.idx.x, i64 1
49 %ld.c = load float, ptr addrspace(1) %c.idx.x, align 4
50 %ld.c.idx.1 = load float, ptr addrspace(1) %c.idx.x.1, align 4
53 store float 0.0, ptr addrspace(1) %a.idx.x, align 4
55 store float 0.0, ptr addrspace(1) %a.idx.x.1, align 4
58 %add = fadd float %ld.c, %ld.c.idx.1
59 store float %add, ptr addrspace(1) %b, align 4
60 store i32 %foo, ptr addrspace(3) null, align 4
64 ; Here we have four stores, with an aliasing load before the last one. We can
65 ; vectorize the first three stores as <3 x float>, but this vectorized store must
66 ; be inserted at the location of the third scalar store, not the fourth one.
68 ; CHECK-LABEL: @insert_store_point_alias
69 ; CHECK: store <3 x float>
70 ; CHECK: load float, ptr addrspace(1) %a.idx.2
72 ; CHECK-SAME: %a.idx.3
73 define float @insert_store_point_alias(ptr addrspace(1) nocapture %a, i64 %idx) {
74 %a.idx = getelementptr inbounds float, ptr addrspace(1) %a, i64 %idx
75 %a.idx.1 = getelementptr inbounds float, ptr addrspace(1) %a.idx, i64 1
76 %a.idx.2 = getelementptr inbounds float, ptr addrspace(1) %a.idx.1, i64 1
77 %a.idx.3 = getelementptr inbounds float, ptr addrspace(1) %a.idx.2, i64 1
79 store float 0.0, ptr addrspace(1) %a.idx, align 4
80 store float 0.0, ptr addrspace(1) %a.idx.1, align 4
81 store float 0.0, ptr addrspace(1) %a.idx.2, align 4
82 %x = load float, ptr addrspace(1) %a.idx.2, align 4
83 store float 0.0, ptr addrspace(1) %a.idx.3, align 4
88 ; Here we have four stores, with an aliasing load before the last one. We can
89 ; vectorize three of the stores before the load, but the important thing is that
90 ; we *don't* sink the store to a[idx + 1] below the load.
92 ; CHECK-LABEL: @insert_store_point_alias_ooo
93 ; CHECK: store <3 x float>{{.*}} %a.idx.1
94 ; CHECK: load float, ptr addrspace(1) %a.idx.2
95 ; CHECK: store float{{.*}} %a.idx
96 define float @insert_store_point_alias_ooo(ptr addrspace(1) nocapture %a, i64 %idx) {
97 %a.idx = getelementptr inbounds float, ptr addrspace(1) %a, i64 %idx
98 %a.idx.1 = getelementptr inbounds float, ptr addrspace(1) %a.idx, i64 1
99 %a.idx.2 = getelementptr inbounds float, ptr addrspace(1) %a.idx.1, i64 1
100 %a.idx.3 = getelementptr inbounds float, ptr addrspace(1) %a.idx.2, i64 1
102 store float 0.0, ptr addrspace(1) %a.idx.3, align 4
103 store float 0.0, ptr addrspace(1) %a.idx.1, align 4
104 store float 0.0, ptr addrspace(1) %a.idx.2, align 4
105 %x = load float, ptr addrspace(1) %a.idx.2, align 4
106 store float 0.0, ptr addrspace(1) %a.idx, align 4
111 attributes #0 = { nounwind }