| ; RUN: opt -mtriple=amdgcn-amd-amdhsa -basicaa -load-store-vectorizer -S -o - %s | FileCheck %s |
| |
| target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-p24:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64" |
| |
| ; Check position of the inserted vector load/store. Vectorized loads should be |
| ; inserted at the position of the first load in the chain, and stores should be |
| ; inserted at the position of the last store. |
| |
| ; CHECK-LABEL: @insert_load_point( |
| ; CHECK: %z = add i32 %x, 4 |
| ; CHECK: load <2 x float> |
| ; CHECK: %w = add i32 %y, 9 |
| ; CHECK: %foo = add i32 %z, %w |
| define amdgpu_kernel void @insert_load_point(float addrspace(1)* nocapture %a, float addrspace(1)* nocapture %b, float addrspace(1)* nocapture readonly %c, i64 %idx, i32 %x, i32 %y) #0 { |
| entry: |
| %a.idx.x = getelementptr inbounds float, float addrspace(1)* %a, i64 %idx |
| %c.idx.x = getelementptr inbounds float, float addrspace(1)* %c, i64 %idx |
| %a.idx.x.1 = getelementptr inbounds float, float addrspace(1)* %a.idx.x, i64 1 |
| %c.idx.x.1 = getelementptr inbounds float, float addrspace(1)* %c.idx.x, i64 1 |
| |
| %z = add i32 %x, 4 |
| %ld.c = load float, float addrspace(1)* %c.idx.x, align 4 |
| %w = add i32 %y, 9 |
| %ld.c.idx.1 = load float, float addrspace(1)* %c.idx.x.1, align 4 |
| %foo = add i32 %z, %w |
| |
| store float 0.0, float addrspace(1)* %a.idx.x, align 4 |
| store float 0.0, float addrspace(1)* %a.idx.x.1, align 4 |
| |
| %add = fadd float %ld.c, %ld.c.idx.1 |
| store float %add, float addrspace(1)* %b, align 4 |
| store i32 %foo, i32 addrspace(3)* null, align 4 |
| ret void |
| } |
| |
| ; CHECK-LABEL: @insert_store_point( |
| ; CHECK: %z = add i32 %x, 4 |
| ; CHECK: %w = add i32 %y, 9 |
| ; CHECK: store <2 x float> |
| ; CHECK: %foo = add i32 %z, %w |
| define amdgpu_kernel void @insert_store_point(float addrspace(1)* nocapture %a, float addrspace(1)* nocapture %b, float addrspace(1)* nocapture readonly %c, i64 %idx, i32 %x, i32 %y) #0 { |
| entry: |
| %a.idx.x = getelementptr inbounds float, float addrspace(1)* %a, i64 %idx |
| %c.idx.x = getelementptr inbounds float, float addrspace(1)* %c, i64 %idx |
| %a.idx.x.1 = getelementptr inbounds float, float addrspace(1)* %a.idx.x, i64 1 |
| %c.idx.x.1 = getelementptr inbounds float, float addrspace(1)* %c.idx.x, i64 1 |
| |
| %ld.c = load float, float addrspace(1)* %c.idx.x, align 4 |
| %ld.c.idx.1 = load float, float addrspace(1)* %c.idx.x.1, align 4 |
| |
| %z = add i32 %x, 4 |
| store float 0.0, float addrspace(1)* %a.idx.x, align 4 |
| %w = add i32 %y, 9 |
| store float 0.0, float addrspace(1)* %a.idx.x.1, align 4 |
| %foo = add i32 %z, %w |
| |
| %add = fadd float %ld.c, %ld.c.idx.1 |
| store float %add, float addrspace(1)* %b, align 4 |
| store i32 %foo, i32 addrspace(3)* null, align 4 |
| ret void |
| } |
| |
| ; Here we have four stores, with an aliasing load before the last one. We can |
| ; vectorize the first three stores as <3 x float>, but this vectorized store must |
| ; be inserted at the location of the third scalar store, not the fourth one. |
| ; |
| ; CHECK-LABEL: @insert_store_point_alias |
| ; CHECK: store <3 x float> |
| ; CHECK: load float, float addrspace(1)* %a.idx.2 |
| ; CHECK: store float |
| ; CHECK-SAME: %a.idx.3 |
| define float @insert_store_point_alias(float addrspace(1)* nocapture %a, i64 %idx) { |
| %a.idx = getelementptr inbounds float, float addrspace(1)* %a, i64 %idx |
| %a.idx.1 = getelementptr inbounds float, float addrspace(1)* %a.idx, i64 1 |
| %a.idx.2 = getelementptr inbounds float, float addrspace(1)* %a.idx.1, i64 1 |
| %a.idx.3 = getelementptr inbounds float, float addrspace(1)* %a.idx.2, i64 1 |
| |
| store float 0.0, float addrspace(1)* %a.idx, align 4 |
| store float 0.0, float addrspace(1)* %a.idx.1, align 4 |
| store float 0.0, float addrspace(1)* %a.idx.2, align 4 |
| %x = load float, float addrspace(1)* %a.idx.2, align 4 |
| store float 0.0, float addrspace(1)* %a.idx.3, align 4 |
| |
| ret float %x |
| } |
| |
| ; Here we have four stores, with an aliasing load before the last one. We |
| ; could vectorize two of the stores before the load (although we currently |
| ; don't), but the important thing is that we *don't* sink the store to |
| ; a[idx + 1] below the load. |
| ; |
| ; CHECK-LABEL: @insert_store_point_alias_ooo |
| ; CHECK: store float |
| ; CHECK-SAME: %a.idx.3 |
| ; CHECK: store float |
| ; CHECK-SAME: %a.idx.1 |
| ; CHECK: store float |
| ; CHECK-SAME: %a.idx.2 |
| ; CHECK: load float, float addrspace(1)* %a.idx.2 |
| ; CHECK: store float |
| ; CHECK-SAME: %a.idx |
| define float @insert_store_point_alias_ooo(float addrspace(1)* nocapture %a, i64 %idx) { |
| %a.idx = getelementptr inbounds float, float addrspace(1)* %a, i64 %idx |
| %a.idx.1 = getelementptr inbounds float, float addrspace(1)* %a.idx, i64 1 |
| %a.idx.2 = getelementptr inbounds float, float addrspace(1)* %a.idx.1, i64 1 |
| %a.idx.3 = getelementptr inbounds float, float addrspace(1)* %a.idx.2, i64 1 |
| |
| store float 0.0, float addrspace(1)* %a.idx.3, align 4 |
| store float 0.0, float addrspace(1)* %a.idx.1, align 4 |
| store float 0.0, float addrspace(1)* %a.idx.2, align 4 |
| %x = load float, float addrspace(1)* %a.idx.2, align 4 |
| store float 0.0, float addrspace(1)* %a.idx, align 4 |
| |
| ret float %x |
| } |
| |
| attributes #0 = { nounwind } |