| ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -mattr=-flat-for-global -relocation-model=static < %s | FileCheck %s |
| |
| @lds = external addrspace(3) global [4 x i32] |
| |
| ; Function Attrs: nounwind |
| |
| ; Offset folding is an optimization done for global variables with relocations, |
| ; which allows you to store the offset in the r_addend of the relocation entry. |
| ; The offset is apllied to the variables address at link time, which eliminates |
| ; the need to emit shader instructions to do this calculation. |
| ; We don't use relocations for local memory, so we should never fold offsets |
| ; for local memory globals. |
| |
| ; CHECK-LABEL: lds_no_offset: |
| ; CHECK: ds_write_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:4 |
| define amdgpu_kernel void @lds_no_offset() { |
| entry: |
| %ptr = getelementptr [4 x i32], [4 x i32] addrspace(3)* @lds, i32 0, i32 1 |
| store i32 0, i32 addrspace(3)* %ptr |
| ret void |
| } |
