1 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -mattr=-flat-for-global -relocation-model=static < %s | FileCheck %s 2 3 @lds = external addrspace(3) global [4 x i32] 4 5 ; Function Attrs: nounwind 6 7 ; Offset folding is an optimization done for global variables with relocations, 8 ; which allows you to store the offset in the r_addend of the relocation entry. 9 ; The offset is apllied to the variables address at link time, which eliminates 10 ; the need to emit shader instructions to do this calculation. 11 ; We don't use relocations for local memory, so we should never fold offsets 12 ; for local memory globals. 13 14 ; CHECK-LABEL: lds_no_offset: 15 ; CHECK: ds_write_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:4 16 define amdgpu_kernel void @lds_no_offset() { 17 entry: 18 %ptr = getelementptr [4 x i32], [4 x i32] addrspace(3)* @lds, i32 0, i32 1 19 store i32 0, i32 addrspace(3)* %ptr 20 ret void 21 } 22
