ret i64 %z
}
+define i64 @popa_i16_i64(i16 %x) {
+; FAST-LABEL: popa_i16_i64:
+; FAST: # %bb.0:
+; FAST-NEXT: rlwinm 3, 3, 0, 16, 31
+; FAST-NEXT: popcntw 3, 3
+; FAST-NEXT: andi. 3, 3, 16
+; FAST-NEXT: blr
+;
+; SLOW-LABEL: popa_i16_i64:
+; SLOW: # %bb.0:
+; SLOW-NEXT: clrlwi 5, 3, 16
+; SLOW-NEXT: rlwinm 3, 3, 31, 0, 31
+; SLOW-NEXT: andi. 3, 3, 21845
+; SLOW-NEXT: lis 4, 13107
+; SLOW-NEXT: subf 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 13107
+; SLOW-NEXT: rotlwi 5, 3, 30
+; SLOW-NEXT: and 3, 3, 4
+; SLOW-NEXT: andis. 4, 5, 13107
+; SLOW-NEXT: andi. 5, 5, 13107
+; SLOW-NEXT: or 4, 5, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 5, 3855
+; SLOW-NEXT: srwi 4, 3, 4
+; SLOW-NEXT: add 3, 3, 4
+; SLOW-NEXT: lis 4, 257
+; SLOW-NEXT: ori 5, 5, 3855
+; SLOW-NEXT: and 3, 3, 5
+; SLOW-NEXT: ori 4, 4, 257
+; SLOW-NEXT: mullw 3, 3, 4
+; SLOW-NEXT: srwi 3, 3, 24
+; SLOW-NEXT: andi. 3, 3, 16
+; SLOW-NEXT: blr
+ %pop = call i16 @llvm.ctpop.i16(i16 %x)
+ %z = zext i16 %pop to i64 ; SimplifyDemandedBits may turn zext (or sext) into aext
+ %a = and i64 %z, 16
+ ret i64 %a
+}
+
declare i8 @llvm.ctpop.i8(i8) nounwind readnone
declare i16 @llvm.ctpop.i16(i16) nounwind readnone
declare i32 @llvm.ctpop.i32(i32) nounwind readnone
declare i64 @llvm.ctpop.i64(i64) nounwind readnone
-