Please use GitHub pull requests for new patches. Phabricator shutdown timeline

Differential D58070 Diff 192859 llvm/trunk/test/CodeGen/AMDGPU/shift-i64-opts.ll

Changeset View

Show First 20 Lines • Show All 48 Lines • ▼ Show 20 Lines	define amdgpu_kernel void @lshr_i64_32(i64 addrspace(1)* %out, i64 addrspace(1)* %in) {
store i64 %shl, i64 addrspace(1)* %out		store i64 %shl, i64 addrspace(1)* %out
ret void		ret void
}		}

; Make sure the and of the constant doesn't prevent bfe from forming		; Make sure the and of the constant doesn't prevent bfe from forming
; after 64-bit shift is split.		; after 64-bit shift is split.

; GCN-LABEL: {{^}}lshr_and_i64_35:		; GCN-LABEL: {{^}}lshr_and_i64_35:
; GCN: buffer_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
; GCN: v_bfe_u32 v[[BFE:[0-9]+]], v[[HI]], 8, 23
; GCN: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}		; GCN: v_mov_b32_e32 v[[ZERO:[0-9]+]], 0{{$}}
		; GCN: buffer_load_dword v[[LO:[0-9]+]]
		; GCN: v_bfe_u32 v[[BFE:[0-9]+]], v[[LO]], 8, 23
; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO]]{{\]}}		; GCN: buffer_store_dwordx2 v{{\[}}[[BFE]]:[[ZERO]]{{\]}}
define amdgpu_kernel void @lshr_and_i64_35(i64 addrspace(1)* %out, i64 addrspace(1)* %in) {		define amdgpu_kernel void @lshr_and_i64_35(i64 addrspace(1)* %out, i64 addrspace(1)* %in) {
%val = load i64, i64 addrspace(1)* %in		%val = load i64, i64 addrspace(1)* %in
%and = and i64 %val, 9223372036854775807 ; 0x7fffffffffffffff		%and = and i64 %val, 9223372036854775807 ; 0x7fffffffffffffff
%shl = lshr i64 %and, 40		%shl = lshr i64 %and, 40
store i64 %shl, i64 addrspace(1)* %out		store i64 %shl, i64 addrspace(1)* %out
ret void		ret void
}		}
▲ Show 20 Lines • Show All 252 Lines • Show Last 20 Lines