1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -relocation-model=static < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker@lds = external addrspace(3) global [4 x i32] 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker; Offset folding is an optimization done for global variables with relocations, 8*9880d681SAndroid Build Coastguard Worker; which allows you to store the offset in the r_addend of the relocation entry. 9*9880d681SAndroid Build Coastguard Worker; The offset is apllied to the variables address at link time, which eliminates 10*9880d681SAndroid Build Coastguard Worker; the need to emit shader instructions to do this calculation. 11*9880d681SAndroid Build Coastguard Worker; We don't use relocations for local memory, so we should never fold offsets 12*9880d681SAndroid Build Coastguard Worker; for local memory globals. 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: lds_no_offset: 15*9880d681SAndroid Build Coastguard Worker; CHECK ds_write_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:4 16*9880d681SAndroid Build Coastguard Workerdefine void @lds_no_offset() { 17*9880d681SAndroid Build Coastguard Workerentry: 18*9880d681SAndroid Build Coastguard Worker %ptr = getelementptr [4 x i32], [4 x i32] addrspace(3)* @lds, i32 0, i32 1 19*9880d681SAndroid Build Coastguard Worker store i32 0, i32 addrspace(3)* %ptr 20*9880d681SAndroid Build Coastguard Worker ret void 21*9880d681SAndroid Build Coastguard Worker} 22