1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s 2 3 ; Test that materialization constants that are the bit reversed of 4 ; inline immediates are replaced with bfrev of the inline immediate to 5 ; save code size. 6 7 ; GCN-LABEL: {{^}}materialize_0_i32: 8 ; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 0{{$}} 9 ; GCN: buffer_store_dword [[K]] 10 define void @materialize_0_i32(i32 addrspace(1)* %out) { 11 store i32 0, i32 addrspace(1)* %out 12 ret void 13 } 14 15 ; GCN-LABEL: {{^}}materialize_0_i64: 16 ; GCN: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}} 17 ; GCN: v_mov_b32_e32 v[[HIK:[0-9]+]], v[[LOK]]{{$}} 18 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}} 19 define void @materialize_0_i64(i64 addrspace(1)* %out) { 20 store i64 0, i64 addrspace(1)* %out 21 ret void 22 } 23 24 ; GCN-LABEL: {{^}}materialize_neg1_i32: 25 ; GCN: v_mov_b32_e32 [[K:v[0-9]+]], -1{{$}} 26 ; GCN: buffer_store_dword [[K]] 27 define void @materialize_neg1_i32(i32 addrspace(1)* %out) { 28 store i32 -1, i32 addrspace(1)* %out 29 ret void 30 } 31 32 ; GCN-LABEL: {{^}}materialize_neg1_i64: 33 ; GCN: v_mov_b32_e32 v[[LOK:[0-9]+]], -1{{$}} 34 ; GCN: v_mov_b32_e32 v[[HIK:[0-9]+]], v[[LOK]]{{$}} 35 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}} 36 define void @materialize_neg1_i64(i64 addrspace(1)* %out) { 37 store i64 -1, i64 addrspace(1)* %out 38 ret void 39 } 40 41 ; GCN-LABEL: {{^}}materialize_signbit_i32: 42 ; GCN: v_bfrev_b32_e32 [[K:v[0-9]+]], 1{{$}} 43 ; GCN: buffer_store_dword [[K]] 44 define void @materialize_signbit_i32(i32 addrspace(1)* %out) { 45 store i32 -2147483648, i32 addrspace(1)* %out 46 ret void 47 } 48 49 ; GCN-LABEL: {{^}}materialize_signbit_i64: 50 ; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}} 51 ; GCN-DAG: v_bfrev_b32_e32 v[[HIK:[0-9]+]], 1{{$}} 52 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}} 53 define void @materialize_signbit_i64(i64 addrspace(1)* %out) { 54 store i64 -9223372036854775808, i64 addrspace(1)* %out 55 ret void 56 } 57 58 ; GCN-LABEL: {{^}}materialize_rev_neg16_i32: 59 ; GCN: v_bfrev_b32_e32 [[K:v[0-9]+]], -16{{$}} 60 ; GCN: buffer_store_dword [[K]] 61 define void @materialize_rev_neg16_i32(i32 addrspace(1)* %out) { 62 store i32 268435455, i32 addrspace(1)* %out 63 ret void 64 } 65 66 ; GCN-LABEL: {{^}}materialize_rev_neg16_i64: 67 ; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], -1{{$}} 68 ; GCN-DAG: v_bfrev_b32_e32 v[[HIK:[0-9]+]], -16{{$}} 69 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}} 70 define void @materialize_rev_neg16_i64(i64 addrspace(1)* %out) { 71 store i64 1152921504606846975, i64 addrspace(1)* %out 72 ret void 73 } 74 75 ; GCN-LABEL: {{^}}materialize_rev_neg17_i32: 76 ; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 0xf7ffffff{{$}} 77 ; GCN: buffer_store_dword [[K]] 78 define void @materialize_rev_neg17_i32(i32 addrspace(1)* %out) { 79 store i32 -134217729, i32 addrspace(1)* %out 80 ret void 81 } 82 83 ; GCN-LABEL: {{^}}materialize_rev_neg17_i64: 84 ; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], -1{{$}} 85 ; GCN-DAG: v_mov_b32_e32 v[[HIK:[0-9]+]], 0xf7ffffff{{$}} 86 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}} 87 define void @materialize_rev_neg17_i64(i64 addrspace(1)* %out) { 88 store i64 -576460752303423489, i64 addrspace(1)* %out 89 ret void 90 } 91 92 ; GCN-LABEL: {{^}}materialize_rev_64_i32: 93 ; GCN: v_bfrev_b32_e32 [[K:v[0-9]+]], 64{{$}} 94 ; GCN: buffer_store_dword [[K]] 95 define void @materialize_rev_64_i32(i32 addrspace(1)* %out) { 96 store i32 33554432, i32 addrspace(1)* %out 97 ret void 98 } 99 100 ; GCN-LABEL: {{^}}materialize_rev_64_i64: 101 ; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}} 102 ; GCN-DAG: v_bfrev_b32_e32 v[[HIK:[0-9]+]], 64{{$}} 103 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}} 104 define void @materialize_rev_64_i64(i64 addrspace(1)* %out) { 105 store i64 144115188075855872, i64 addrspace(1)* %out 106 ret void 107 } 108 109 ; GCN-LABEL: {{^}}materialize_rev_65_i32: 110 ; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 0x82000000{{$}} 111 ; GCN: buffer_store_dword [[K]] 112 define void @materialize_rev_65_i32(i32 addrspace(1)* %out) { 113 store i32 -2113929216, i32 addrspace(1)* %out 114 ret void 115 } 116 117 ; GCN-LABEL: {{^}}materialize_rev_65_i64: 118 ; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}} 119 ; GCN-DAG: v_mov_b32_e32 v[[HIK:[0-9]+]], 0x82000000{{$}} 120 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}} 121 define void @materialize_rev_65_i64(i64 addrspace(1)* %out) { 122 store i64 -9079256848778919936, i64 addrspace(1)* %out 123 ret void 124 } 125 126 ; GCN-LABEL: {{^}}materialize_rev_3_i32: 127 ; GCN: v_mov_b32_e32 [[K:v[0-9]+]], -2.0{{$}} 128 ; GCN: buffer_store_dword [[K]] 129 define void @materialize_rev_3_i32(i32 addrspace(1)* %out) { 130 store i32 -1073741824, i32 addrspace(1)* %out 131 ret void 132 } 133 134 ; GCN-LABEL: {{^}}materialize_rev_3_i64: 135 ; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0{{$}} 136 ; GCN-DAG: v_mov_b32_e32 v[[HIK:[0-9]+]], -2.0{{$}} 137 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}} 138 define void @materialize_rev_3_i64(i64 addrspace(1)* %out) { 139 store i64 -4611686018427387904, i64 addrspace(1)* %out 140 ret void 141 } 142 143 ; GCN-LABEL: {{^}}materialize_rev_1.0_i32: 144 ; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 0x1fc{{$}} 145 ; GCN: buffer_store_dword [[K]] 146 define void @materialize_rev_1.0_i32(i32 addrspace(1)* %out) { 147 store i32 508, i32 addrspace(1)* %out 148 ret void 149 } 150 151 ; GCN-LABEL: {{^}}materialize_rev_1.0_i64: 152 ; GCN-DAG: v_mov_b32_e32 v[[LOK:[0-9]+]], 0x1fc{{$}} 153 ; GCN-DAG: v_mov_b32_e32 v[[HIK:[0-9]+]], 0{{$}} 154 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOK]]:[[HIK]]{{\]}} 155 define void @materialize_rev_1.0_i64(i64 addrspace(1)* %out) { 156 store i64 508, i64 addrspace(1)* %out 157 ret void 158 } 159
