| Tom Stellard | 8058069 | 2015-01-20 17:49:43 +0000 | [diff] [blame^] | 1 | ; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=SI < %s | FileCheck %s |
| 2 | |
| 3 | ; When a frame index offset is more than 12-bits, make sure we don't store |
| 4 | ; it in mubuf's offset field. |
| 5 | |
| 6 | ; CHECK-LABEL: {{^}}legal_offset_fi: |
| 7 | ; CHECK: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+}}:{{[0-9]+}}], s{{[0-9]+}} offen |
| 8 | ; CHECK: v_mov_b32_e32 [[OFFSET:v[0-9]+]], 0x8000 |
| 9 | ; CHECK: buffer_store_dword v{{[0-9]+}}, [[OFFSET]], s[{{[0-9]+}}:{{[0-9]+}}], s{{[0-9]+}} offen{{$}} |
| 10 | |
| 11 | define void @legal_offset_fi(i32 addrspace(1)* %out, i32 %cond, i32 %if_offset, i32 %else_offset) { |
| 12 | entry: |
| 13 | %scratch0 = alloca [8192 x i32] |
| 14 | %scratch1 = alloca [8192 x i32] |
| 15 | |
| 16 | %scratchptr0 = getelementptr [8192 x i32]* %scratch0, i32 0, i32 0 |
| 17 | store i32 1, i32* %scratchptr0 |
| 18 | |
| 19 | %scratchptr1 = getelementptr [8192 x i32]* %scratch1, i32 0, i32 0 |
| 20 | store i32 2, i32* %scratchptr1 |
| 21 | |
| 22 | %cmp = icmp eq i32 %cond, 0 |
| 23 | br i1 %cmp, label %if, label %else |
| 24 | |
| 25 | if: |
| 26 | %if_ptr = getelementptr [8192 x i32]* %scratch0, i32 0, i32 %if_offset |
| 27 | %if_value = load i32* %if_ptr |
| 28 | br label %done |
| 29 | |
| 30 | else: |
| 31 | %else_ptr = getelementptr [8192 x i32]* %scratch1, i32 0, i32 %else_offset |
| 32 | %else_value = load i32* %else_ptr |
| 33 | br label %done |
| 34 | |
| 35 | done: |
| 36 | %value = phi i32 [%if_value, %if], [%else_value, %else] |
| 37 | store i32 %value, i32 addrspace(1)* %out |
| 38 | ret void |
| 39 | |
| 40 | ret void |
| 41 | |
| 42 | } |
| 43 | |
| 44 | ; CHECK-LABEL: {{^}}legal_offset_fi_offset |
| 45 | ; CHECK: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+}}:{{[0-9]+}}], s{{[0-9]+}} offen |
| 46 | ; CHECK: v_add_i32_e32 [[OFFSET:v[0-9]+]], 0x8000 |
| 47 | ; CHECK: buffer_store_dword v{{[0-9]+}}, [[OFFSET]], s[{{[0-9]+}}:{{[0-9]+}}], s{{[0-9]+}} offen{{$}} |
| 48 | |
| 49 | define void @legal_offset_fi_offset(i32 addrspace(1)* %out, i32 %cond, i32 addrspace(1)* %offsets, i32 %if_offset, i32 %else_offset) { |
| 50 | entry: |
| 51 | %scratch0 = alloca [8192 x i32] |
| 52 | %scratch1 = alloca [8192 x i32] |
| 53 | |
| 54 | %offset0 = load i32 addrspace(1)* %offsets |
| 55 | %scratchptr0 = getelementptr [8192 x i32]* %scratch0, i32 0, i32 %offset0 |
| 56 | store i32 %offset0, i32* %scratchptr0 |
| 57 | |
| 58 | %offsetptr1 = getelementptr i32 addrspace(1)* %offsets, i32 1 |
| 59 | %offset1 = load i32 addrspace(1)* %offsetptr1 |
| 60 | %scratchptr1 = getelementptr [8192 x i32]* %scratch1, i32 0, i32 %offset1 |
| 61 | store i32 %offset1, i32* %scratchptr1 |
| 62 | |
| 63 | %cmp = icmp eq i32 %cond, 0 |
| 64 | br i1 %cmp, label %if, label %else |
| 65 | |
| 66 | if: |
| 67 | %if_ptr = getelementptr [8192 x i32]* %scratch0, i32 0, i32 %if_offset |
| 68 | %if_value = load i32* %if_ptr |
| 69 | br label %done |
| 70 | |
| 71 | else: |
| 72 | %else_ptr = getelementptr [8192 x i32]* %scratch1, i32 0, i32 %else_offset |
| 73 | %else_value = load i32* %else_ptr |
| 74 | br label %done |
| 75 | |
| 76 | done: |
| 77 | %value = phi i32 [%if_value, %if], [%else_value, %else] |
| 78 | store i32 %value, i32 addrspace(1)* %out |
| 79 | ret void |
| 80 | } |
| 81 | |