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 7define 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 18define 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 29define 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]] 41define 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]] 52define 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]] 64define 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]] 75define 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]] 86define 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