| ; RUN: opt -S -mtriple=amdgcn-- -amdgpu-replace-lds-use-with-pointer -amdgpu-enable-lds-replace-with-pointer=true < %s | FileCheck %s |
| |
| ; DESCRIPTION: |
| ; |
| ; The kernel 'kern' makes a call to declared only function `foo`, hence `foo` |
| ; is not considered as reachable callee, and is ignored. The function `goo` |
| ; which uses LDS is not called from kernel 'kern', hence it is also ignored. |
| ; |
| |
| ; Original LDS should exist. |
| ; CHECK: @lds = internal local_unnamed_addr addrspace(3) global i32 undef, align 4 |
| @lds = internal local_unnamed_addr addrspace(3) global i32 undef, align 4 |
| |
| ; Pointer should not be created. |
| ; CHECK-NOT: @lds.ptr = internal unnamed_addr addrspace(3) global i16 undef, align 2 |
| |
| ; CHECK: declare i32 @foo() |
| declare i32 @foo() |
| |
| ; No change |
| define internal void @goo() { |
| ; CHECK-LABEL: entry: |
| ; CHECK: store i32 undef, i32 addrspace(3)* @lds, align 4 |
| ; CHECK: ret void |
| entry: |
| store i32 undef, i32 addrspace(3)* @lds, align 4 |
| ret void |
| } |
| |
| ; No change |
| define weak amdgpu_kernel void @kern() { |
| ; CHECK-LABEL: entry: |
| ; CHECK-LABEL: %nt = call i32 @foo() |
| ; CHECK-LABEL: ret void |
| entry: |
| %nt = call i32 @foo() |
| ret void |
| } |