popcount.ll
2.7 KB
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -O0 -mtriple=aarch64-unknown-unknown | FileCheck %s
; Function Attrs: nobuiltin nounwind readonly
define i8 @popcount128(i128* nocapture nonnull readonly %0) {
; CHECK-LABEL: popcount128:
; CHECK: // %bb.0: // %Entry
; CHECK-NEXT: ldr x8, [x0, #8]
; CHECK-NEXT: ldr d0, [x0]
; CHECK-NEXT: // implicit-def: $q1
; CHECK-NEXT: mov v1.16b, v0.16b
; CHECK-NEXT: mov v1.d[1], x8
; CHECK-NEXT: cnt v1.16b, v1.16b
; CHECK-NEXT: uaddlv h2, v1.16b
; CHECK-NEXT: // implicit-def: $q1
; CHECK-NEXT: mov v1.16b, v2.16b
; CHECK-NEXT: fmov w1, s1
; CHECK-NEXT: mov w0, w1
; CHECK-NEXT: ret
Entry:
%1 = load i128, i128* %0, align 16
%2 = tail call i128 @llvm.ctpop.i128(i128 %1)
%3 = trunc i128 %2 to i8
ret i8 %3
}
; Function Attrs: nounwind readnone speculatable willreturn
declare i128 @llvm.ctpop.i128(i128)
; Function Attrs: nobuiltin nounwind readonly
define i16 @popcount256(i256* nocapture nonnull readonly %0) {
; CHECK-LABEL: popcount256:
; CHECK: // %bb.0: // %Entry
; CHECK-NEXT: ldr x8, [x0, #8]
; CHECK-NEXT: ldr x9, [x0, #24]
; CHECK-NEXT: ldr d0, [x0, #16]
; CHECK-NEXT: // implicit-def: $q1
; CHECK-NEXT: mov v1.16b, v0.16b
; CHECK-NEXT: mov v1.d[1], x9
; CHECK-NEXT: cnt v1.16b, v1.16b
; CHECK-NEXT: uaddlv h2, v1.16b
; CHECK-NEXT: // implicit-def: $q1
; CHECK-NEXT: mov v1.16b, v2.16b
; CHECK-NEXT: fmov w10, s1
; CHECK-NEXT: ldr d0, [x0]
; CHECK-NEXT: // implicit-def: $q1
; CHECK-NEXT: mov v1.16b, v0.16b
; CHECK-NEXT: mov v1.d[1], x8
; CHECK-NEXT: cnt v1.16b, v1.16b
; CHECK-NEXT: uaddlv h2, v1.16b
; CHECK-NEXT: // implicit-def: $q1
; CHECK-NEXT: mov v1.16b, v2.16b
; CHECK-NEXT: fmov w11, s1
; CHECK-NEXT: add w0, w11, w10
; CHECK-NEXT: ret
Entry:
%1 = load i256, i256* %0, align 16
%2 = tail call i256 @llvm.ctpop.i256(i256 %1)
%3 = trunc i256 %2 to i16
ret i16 %3
}
; Function Attrs: nounwind readnone speculatable willreturn
declare i256 @llvm.ctpop.i256(i256)
define <1 x i128> @popcount1x128(<1 x i128> %0) {
; CHECK-LABEL: popcount1x128:
; CHECK: // %bb.0: // %Entry
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: fmov d0, x0
; CHECK-NEXT: mov v0.d[1], x1
; CHECK-NEXT: cnt v0.16b, v0.16b
; CHECK-NEXT: uaddlv h1, v0.16b
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: mov v0.16b, v1.16b
; CHECK-NEXT: fmov w2, s0
; CHECK-NEXT: mov w0, w2
; CHECK-NEXT: movi v0.2d, #0000000000000000
; CHECK-NEXT: mov x1, v0.d[1]
; CHECK-NEXT: ret
Entry:
%1 = tail call <1 x i128> @llvm.ctpop.v1.i128(<1 x i128> %0)
ret <1 x i128> %1
}
declare <1 x i128> @llvm.ctpop.v1.i128(<1 x i128>)