1; RUN: llc -mtriple=amdgcn -stop-after=amdgpu-isel < %s | FileCheck -check-prefix=GCN %s 2; RUN: llc -mtriple=amdgcn -enable-new-pm -stop-after=amdgpu-isel < %s | FileCheck -check-prefix=GCN %s 3 4; GCN-LABEL: name: s_ctpop_i32 5; GCN: S_BCNT1_I32_B32 6define amdgpu_kernel void @s_ctpop_i32(ptr addrspace(1) noalias %out, i32 %val) nounwind { 7 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone 8 store i32 %ctpop, ptr addrspace(1) %out, align 4 9 ret void 10} 11 12; GCN-LABEL: name: s_ctpop_i64 13; GCN: %[[BCNT:[0-9]+]]:sreg_32 = S_BCNT1_I32_B64 14; GCN: %[[SREG1:[0-9]+]]:sreg_32 = COPY %[[BCNT]] 15; GCN: %[[SREG2:[0-9]+]]:sreg_32 = S_MOV_B32 0 16; GCN: REG_SEQUENCE killed %[[SREG1]], %subreg.sub0, killed %[[SREG2]], %subreg.sub1 17define amdgpu_kernel void @s_ctpop_i64(ptr addrspace(1) noalias %out, i64 %val) nounwind { 18 %ctpop = call i64 @llvm.ctpop.i64(i64 %val) nounwind readnone 19 %truncctpop = trunc i64 %ctpop to i32 20 store i32 %truncctpop, ptr addrspace(1) %out, align 4 21 ret void 22} 23 24; GCN-LABEL: name: v_ctpop_i32 25; GCN: V_BCNT_U32_B32_e64 26define amdgpu_kernel void @v_ctpop_i32(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) nounwind { 27 %tid = call i32 @llvm.amdgcn.workitem.id.x() 28 %in.gep = getelementptr i32, ptr addrspace(1) %in, i32 %tid 29 %val = load i32, ptr addrspace(1) %in.gep, align 4 30 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone 31 store i32 %ctpop, ptr addrspace(1) %out, align 4 32 ret void 33} 34 35; GCN-LABEL: name: v_ctpop_i64 36; GCN: %[[BCNT1:[0-9]+]]:vgpr_32 = V_BCNT_U32_B32_e64 killed %{{[0-9]+}}, 0, implicit $exec 37; GCN: %[[BCNT2:[0-9]+]]:vgpr_32 = V_BCNT_U32_B32_e64 killed %{{[0-9]+}}, killed %[[BCNT1]], implicit $exec 38; GCN: %[[VGPR1:[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec 39; GCN: REG_SEQUENCE killed %[[BCNT2]], %subreg.sub0, killed %[[VGPR1]], %subreg.sub1 40define amdgpu_kernel void @v_ctpop_i64(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) nounwind { 41 %tid = call i32 @llvm.amdgcn.workitem.id.x() 42 %in.gep = getelementptr i64, ptr addrspace(1) %in, i32 %tid 43 %val = load i64, ptr addrspace(1) %in.gep, align 8 44 %ctpop = call i64 @llvm.ctpop.i64(i64 %val) nounwind readnone 45 %truncctpop = trunc i64 %ctpop to i32 46 store i32 %truncctpop, ptr addrspace(1) %out, align 4 47 ret void 48} 49 50declare i64 @llvm.ctpop.i64(i64) nounwind readnone 51 52declare i32 @llvm.ctpop.i32(i32) nounwind readnone 53 54declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone 55