1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s 2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s 3 4 ; CHECK-LABEL: {{^}}trunc_i64_bitcast_v2i32: 5 ; CHECK: buffer_load_dword v 6 ; CHECK: buffer_store_dword v 7 define void @trunc_i64_bitcast_v2i32(i32 addrspace(1)* %out, <2 x i32> addrspace(1)* %in) { 8 %ld = load <2 x i32>, <2 x i32> addrspace(1)* %in 9 %bc = bitcast <2 x i32> %ld to i64 10 %trunc = trunc i64 %bc to i32 11 store i32 %trunc, i32 addrspace(1)* %out 12 ret void 13 } 14 15 ; CHECK-LABEL: {{^}}trunc_i96_bitcast_v3i32: 16 ; CHECK: buffer_load_dword v 17 ; CHECK: buffer_store_dword v 18 define void @trunc_i96_bitcast_v3i32(i32 addrspace(1)* %out, <3 x i32> addrspace(1)* %in) { 19 %ld = load <3 x i32>, <3 x i32> addrspace(1)* %in 20 %bc = bitcast <3 x i32> %ld to i96 21 %trunc = trunc i96 %bc to i32 22 store i32 %trunc, i32 addrspace(1)* %out 23 ret void 24 } 25 26 ; CHECK-LABEL: {{^}}trunc_i128_bitcast_v4i32: 27 ; CHECK: buffer_load_dword v 28 ; CHECK: buffer_store_dword v 29 define void @trunc_i128_bitcast_v4i32(i32 addrspace(1)* %out, <4 x i32> addrspace(1)* %in) { 30 %ld = load <4 x i32>, <4 x i32> addrspace(1)* %in 31 %bc = bitcast <4 x i32> %ld to i128 32 %trunc = trunc i128 %bc to i32 33 store i32 %trunc, i32 addrspace(1)* %out 34 ret void 35 } 36 37 ; Don't want load width reduced in this case. 38 ; CHECK-LABEL: {{^}}trunc_i16_bitcast_v2i16: 39 ; CHECK: buffer_load_dword [[VAL:v[0-9]+]] 40 ; CHECK: buffer_store_short [[VAL]] 41 define void @trunc_i16_bitcast_v2i16(i16 addrspace(1)* %out, <2 x i16> addrspace(1)* %in) { 42 %ld = load <2 x i16>, <2 x i16> addrspace(1)* %in 43 %bc = bitcast <2 x i16> %ld to i32 44 %trunc = trunc i32 %bc to i16 45 store i16 %trunc, i16 addrspace(1)* %out 46 ret void 47 } 48 49 ; CHECK-LABEL: {{^}}trunc_i16_bitcast_v4i16: 50 ; CHECK: buffer_load_dword [[VAL:v[0-9]+]] 51 ; CHECK: buffer_store_short [[VAL]] 52 define void @trunc_i16_bitcast_v4i16(i16 addrspace(1)* %out, <4 x i16> addrspace(1)* %in) { 53 %ld = load <4 x i16>, <4 x i16> addrspace(1)* %in 54 %bc = bitcast <4 x i16> %ld to i64 55 %trunc = trunc i64 %bc to i16 56 store i16 %trunc, i16 addrspace(1)* %out 57 ret void 58 } 59 60 ; FIXME: Don't want load width reduced in this case. 61 ; CHECK-LABEL: {{^}}trunc_i8_bitcast_v2i8: 62 ; CHECK: buffer_load_ubyte [[VAL:v[0-9]+]] 63 ; CHECK: buffer_store_byte [[VAL]] 64 define void @trunc_i8_bitcast_v2i8(i8 addrspace(1)* %out, <2 x i8> addrspace(1)* %in) { 65 %ld = load <2 x i8>, <2 x i8> addrspace(1)* %in 66 %bc = bitcast <2 x i8> %ld to i16 67 %trunc = trunc i16 %bc to i8 68 store i8 %trunc, i8 addrspace(1)* %out 69 ret void 70 } 71 72 ; CHECK-LABEL: {{^}}trunc_i32_bitcast_v4i8: 73 ; CHECK: buffer_load_dword [[VAL:v[0-9]+]] 74 ; CHECK: buffer_store_byte [[VAL]] 75 define void @trunc_i32_bitcast_v4i8(i8 addrspace(1)* %out, <4 x i8> addrspace(1)* %in) { 76 %ld = load <4 x i8>, <4 x i8> addrspace(1)* %in 77 %bc = bitcast <4 x i8> %ld to i32 78 %trunc = trunc i32 %bc to i8 79 store i8 %trunc, i8 addrspace(1)* %out 80 ret void 81 } 82 83 ; CHECK-LABEL: {{^}}trunc_i24_bitcast_v3i8: 84 ; CHECK: buffer_load_dword [[VAL:v[0-9]+]] 85 ; CHECK: buffer_store_byte [[VAL]] 86 define void @trunc_i24_bitcast_v3i8(i8 addrspace(1)* %out, <3 x i8> addrspace(1)* %in) { 87 %ld = load <3 x i8>, <3 x i8> addrspace(1)* %in 88 %bc = bitcast <3 x i8> %ld to i24 89 %trunc = trunc i24 %bc to i8 90 store i8 %trunc, i8 addrspace(1)* %out 91 ret void 92 } 93
