| ; RUN: llc -march=amdgcn -mcpu=gfx900 -O3 < %s | FileCheck -check-prefix=GCN %s |
| ; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds < %s | FileCheck %s |
| ; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds < %s | FileCheck %s |
| |
| @a = internal unnamed_addr addrspace(3) global [64 x i32] undef, align 4 |
| @b = internal unnamed_addr addrspace(3) global [64 x i32] undef, align 4 |
| @c = internal unnamed_addr addrspace(3) global [64 x i32] undef, align 4 |
| |
| ; GCN-LABEL: {{^}}no_clobber_ds_load_stores_x2: |
| ; GCN: ds_write2st64_b32 |
| ; GCN: ds_read2st64_b32 |
| |
| ; CHECK-LABEL: @no_clobber_ds_load_stores_x2 |
| ; CHECK: store i32 1, i32 addrspace(3)* %0, align 16, !alias.scope !0, !noalias !3 |
| ; CHECK: %val.a = load i32, i32 addrspace(3)* %gep.a, align 4, !alias.scope !0, !noalias !3 |
| ; CHECK: store i32 2, i32 addrspace(3)* %1, align 16, !alias.scope !3, !noalias !0 |
| ; CHECK: %val.b = load i32, i32 addrspace(3)* %gep.b, align 4, !alias.scope !3, !noalias !0 |
| |
| define amdgpu_kernel void @no_clobber_ds_load_stores_x2(i32 addrspace(1)* %arg, i32 %i) { |
| bb: |
| store i32 1, i32 addrspace(3)* getelementptr inbounds ([64 x i32], [64 x i32] addrspace(3)* @a, i32 0, i32 0), align 4 |
| %gep.a = getelementptr inbounds [64 x i32], [64 x i32] addrspace(3)* @a, i32 0, i32 %i |
| %val.a = load i32, i32 addrspace(3)* %gep.a, align 4 |
| store i32 2, i32 addrspace(3)* getelementptr inbounds ([64 x i32], [64 x i32] addrspace(3)* @b, i32 0, i32 0), align 4 |
| %gep.b = getelementptr inbounds [64 x i32], [64 x i32] addrspace(3)* @b, i32 0, i32 %i |
| %val.b = load i32, i32 addrspace(3)* %gep.b, align 4 |
| %val = add i32 %val.a, %val.b |
| store i32 %val, i32 addrspace(1)* %arg, align 4 |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}no_clobber_ds_load_stores_x3: |
| ; GCN-DAG: ds_write2st64_b32 |
| ; GCN-DAG: ds_write_b32 |
| ; GCN-DAG: ds_read2st64_b32 |
| ; GCN-DAG: ds_read_b32 |
| |
| ; CHECK-LABEL: @no_clobber_ds_load_stores_x3 |
| ; CHECK: store i32 1, i32 addrspace(3)* %0, align 16, !alias.scope !5, !noalias !8 |
| ; CHECK: %val.a = load i32, i32 addrspace(3)* %gep.a, align 4, !alias.scope !5, !noalias !8 |
| ; CHECK: store i32 2, i32 addrspace(3)* %1, align 16, !alias.scope !11, !noalias !12 |
| ; CHECK: %val.b = load i32, i32 addrspace(3)* %gep.b, align 4, !alias.scope !11, !noalias !12 |
| ; CHECK: store i32 3, i32 addrspace(3)* %2, align 16, !alias.scope !13, !noalias !14 |
| ; CHECK: %val.c = load i32, i32 addrspace(3)* %gep.c, align 4, !alias.scope !13, !noalias !14 |
| |
| define amdgpu_kernel void @no_clobber_ds_load_stores_x3(i32 addrspace(1)* %arg, i32 %i) { |
| bb: |
| store i32 1, i32 addrspace(3)* getelementptr inbounds ([64 x i32], [64 x i32] addrspace(3)* @a, i32 0, i32 0), align 4 |
| %gep.a = getelementptr inbounds [64 x i32], [64 x i32] addrspace(3)* @a, i32 0, i32 %i |
| %val.a = load i32, i32 addrspace(3)* %gep.a, align 4 |
| store i32 2, i32 addrspace(3)* getelementptr inbounds ([64 x i32], [64 x i32] addrspace(3)* @b, i32 0, i32 0), align 4 |
| %gep.b = getelementptr inbounds [64 x i32], [64 x i32] addrspace(3)* @b, i32 0, i32 %i |
| %val.b = load i32, i32 addrspace(3)* %gep.b, align 4 |
| store i32 3, i32 addrspace(3)* getelementptr inbounds ([64 x i32], [64 x i32] addrspace(3)* @c, i32 0, i32 0), align 4 |
| %gep.c = getelementptr inbounds [64 x i32], [64 x i32] addrspace(3)* @c, i32 0, i32 %i |
| %val.c = load i32, i32 addrspace(3)* %gep.c, align 4 |
| %val.1 = add i32 %val.a, %val.b |
| %val = add i32 %val.1, %val.c |
| store i32 %val, i32 addrspace(1)* %arg, align 4 |
| ret void |
| } |
| |
| ; CHECK: !0 = !{!1} |
| ; CHECK: !1 = distinct !{!1, !2} |
| ; CHECK: !2 = distinct !{!2} |
| ; CHECK: !3 = !{!4} |
| ; CHECK: !4 = distinct !{!4, !2} |
| ; CHECK: !5 = !{!6} |
| ; CHECK: !6 = distinct !{!6, !7} |
| ; CHECK: !7 = distinct !{!7} |
| ; CHECK: !8 = !{!9, !10} |
| ; CHECK: !9 = distinct !{!9, !7} |
| ; CHECK: !10 = distinct !{!10, !7} |
| ; CHECK: !11 = !{!9} |
| ; CHECK: !12 = !{!6, !10} |
| ; CHECK: !13 = !{!10} |
| ; CHECK: !14 = !{!6, !9} |