1 ; RUN: llc < %s -march=amdgcn -mcpu=SI -verify-machineinstrs | FileCheck %s
3 ; CHECK-LABEL: {{^}}fold_sgpr:
4 ; CHECK: v_add_i32_e32 v{{[0-9]+}}, s
5 define void @fold_sgpr(i32 addrspace(1)* %out, i32 %fold) {
7 %tmp0 = icmp ne i32 %fold, 0
8 br i1 %tmp0, label %if, label %endif
11 %id = call i32 @llvm.r600.read.tidig.x()
12 %offset = add i32 %fold, %id
13 %tmp1 = getelementptr i32 addrspace(1)* %out, i32 %offset
14 store i32 0, i32 addrspace(1)* %tmp1
21 ; CHECK-LABEL: {{^}}fold_imm:
22 ; CHECK v_or_i32_e32 v{{[0-9]+}}, 5
23 define void @fold_imm(i32 addrspace(1)* %out, i32 %cmp) {
26 %tmp0 = icmp ne i32 %cmp, 0
27 br i1 %tmp0, label %if, label %endif
30 %id = call i32 @llvm.r600.read.tidig.x()
31 %val = or i32 %id, %fold
32 store i32 %val, i32 addrspace(1)* %out
39 ; CHECK-LABEL: {{^}}fold_64bit_constant_add:
40 ; CHECK-NOT: s_mov_b64
41 ; FIXME: It would be better if we could use v_add here and drop the extra
42 ; v_mov_b32 instructions.
43 ; CHECK-DAG: s_add_u32 [[LO:s[0-9]+]], s{{[0-9]+}}, 1
44 ; CHECK-DAG: s_addc_u32 [[HI:s[0-9]+]], s{{[0-9]+}}, 0
45 ; CHECK-DAG: v_mov_b32_e32 v[[VLO:[0-9]+]], [[LO]]
46 ; CHECK-DAG: v_mov_b32_e32 v[[VHI:[0-9]+]], [[HI]]
47 ; CHECK: buffer_store_dwordx2 v{{\[}}[[VLO]]:[[VHI]]{{\]}},
49 define void @fold_64bit_constant_add(i64 addrspace(1)* %out, i32 %cmp, i64 %val) {
51 %tmp0 = add i64 %val, 1
52 store i64 %tmp0, i64 addrspace(1)* %out
56 declare i32 @llvm.r600.read.tidig.x() #0
57 attributes #0 = { readnone }