1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s 2 3 ; How the replacement of i64 stores with v2i32 stores resulted in 4 ; breaking other users of the bitcast if they already existed 5 6 ; GCN-LABEL: {{^}}extract_vector_elt_select_error: 7 ; GCN: buffer_store_dword 8 ; GCN: buffer_store_dword 9 ; GCN: buffer_store_dwordx2 10 define void @extract_vector_elt_select_error(i32 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %val) nounwind { 11 %vec = bitcast i64 %val to <2 x i32> 12 %elt0 = extractelement <2 x i32> %vec, i32 0 13 %elt1 = extractelement <2 x i32> %vec, i32 1 14 15 store volatile i32 %elt0, i32 addrspace(1)* %out 16 store volatile i32 %elt1, i32 addrspace(1)* %out 17 store volatile i64 %val, i64 addrspace(1)* %in 18 ret void 19 } 20 21 22 define void @extract_vector_elt_v2i64(i64 addrspace(1)* %out, <2 x i64> %foo) nounwind { 23 %p0 = extractelement <2 x i64> %foo, i32 0 24 %p1 = extractelement <2 x i64> %foo, i32 1 25 %out1 = getelementptr i64, i64 addrspace(1)* %out, i32 1 26 store volatile i64 %p1, i64 addrspace(1)* %out 27 store volatile i64 %p0, i64 addrspace(1)* %out1 28 ret void 29 } 30 31 define void @dyn_extract_vector_elt_v2i64(i64 addrspace(1)* %out, <2 x i64> %foo, i32 %elt) nounwind { 32 %dynelt = extractelement <2 x i64> %foo, i32 %elt 33 store volatile i64 %dynelt, i64 addrspace(1)* %out 34 ret void 35 } 36 37 define void @dyn_extract_vector_elt_v2i64_2(i64 addrspace(1)* %out, <2 x i64> addrspace(1)* %foo, i32 %elt, <2 x i64> %arst) nounwind { 38 %load = load volatile <2 x i64>, <2 x i64> addrspace(1)* %foo 39 %or = or <2 x i64> %load, %arst 40 %dynelt = extractelement <2 x i64> %or, i32 %elt 41 store volatile i64 %dynelt, i64 addrspace(1)* %out 42 ret void 43 } 44
