1 ; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=SI < %s | FileCheck %s
2 ; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck %s
4 ; When a frame index offset is more than 12-bits, make sure we don't store
5 ; it in mubuf's offset field.
7 ; Also, make sure we use the same register for storing the scratch buffer addresss
8 ; for both stores. This register is allocated by the register scavenger, so we
9 ; should be able to reuse the same regiser for each scratch buffer access.
11 ; CHECK-LABEL: {{^}}legal_offset_fi:
12 ; CHECK: v_mov_b32_e32 [[OFFSET:v[0-9]+]], 0{{$}}
13 ; CHECK: buffer_store_dword v{{[0-9]+}}, [[OFFSET]], s[{{[0-9]+}}:{{[0-9]+}}], s{{[0-9]+}} offen
14 ; CHECK: v_mov_b32_e32 [[OFFSET]], 0x8000
15 ; CHECK: buffer_store_dword v{{[0-9]+}}, [[OFFSET]], s[{{[0-9]+}}:{{[0-9]+}}], s{{[0-9]+}} offen{{$}}
17 define void @legal_offset_fi(i32 addrspace(1)* %out, i32 %cond, i32 %if_offset, i32 %else_offset) {
19 %scratch0 = alloca [8192 x i32]
20 %scratch1 = alloca [8192 x i32]
22 %scratchptr0 = getelementptr [8192 x i32], [8192 x i32]* %scratch0, i32 0, i32 0
23 store i32 1, i32* %scratchptr0
25 %scratchptr1 = getelementptr [8192 x i32], [8192 x i32]* %scratch1, i32 0, i32 0
26 store i32 2, i32* %scratchptr1
28 %cmp = icmp eq i32 %cond, 0
29 br i1 %cmp, label %if, label %else
32 %if_ptr = getelementptr [8192 x i32], [8192 x i32]* %scratch0, i32 0, i32 %if_offset
33 %if_value = load i32, i32* %if_ptr
37 %else_ptr = getelementptr [8192 x i32], [8192 x i32]* %scratch1, i32 0, i32 %else_offset
38 %else_value = load i32, i32* %else_ptr
42 %value = phi i32 [%if_value, %if], [%else_value, %else]
43 store i32 %value, i32 addrspace(1)* %out
50 ; CHECK-LABEL: {{^}}legal_offset_fi_offset
51 ; CHECK: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+}}:{{[0-9]+}}], s{{[0-9]+}} offen
52 ; CHECK: v_add_i32_e32 [[OFFSET:v[0-9]+]], 0x8000
53 ; CHECK: buffer_store_dword v{{[0-9]+}}, [[OFFSET]], s[{{[0-9]+}}:{{[0-9]+}}], s{{[0-9]+}} offen{{$}}
55 define void @legal_offset_fi_offset(i32 addrspace(1)* %out, i32 %cond, i32 addrspace(1)* %offsets, i32 %if_offset, i32 %else_offset) {
57 %scratch0 = alloca [8192 x i32]
58 %scratch1 = alloca [8192 x i32]
60 %offset0 = load i32, i32 addrspace(1)* %offsets
61 %scratchptr0 = getelementptr [8192 x i32], [8192 x i32]* %scratch0, i32 0, i32 %offset0
62 store i32 %offset0, i32* %scratchptr0
64 %offsetptr1 = getelementptr i32, i32 addrspace(1)* %offsets, i32 1
65 %offset1 = load i32, i32 addrspace(1)* %offsetptr1
66 %scratchptr1 = getelementptr [8192 x i32], [8192 x i32]* %scratch1, i32 0, i32 %offset1
67 store i32 %offset1, i32* %scratchptr1
69 %cmp = icmp eq i32 %cond, 0
70 br i1 %cmp, label %if, label %else
73 %if_ptr = getelementptr [8192 x i32], [8192 x i32]* %scratch0, i32 0, i32 %if_offset
74 %if_value = load i32, i32* %if_ptr
78 %else_ptr = getelementptr [8192 x i32], [8192 x i32]* %scratch1, i32 0, i32 %else_offset
79 %else_value = load i32, i32* %else_ptr
83 %value = phi i32 [%if_value, %if], [%else_value, %else]
84 store i32 %value, i32 addrspace(1)* %out