; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s ; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme < %s | FileCheck %s ; ; WHILELE ; define @whilele_b_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilele_b_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilele p0.b, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv16i1.i32(i32 %a, i32 %b) ret %out } define @whilele_b_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilele_b_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilele p0.b, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv16i1.i64(i64 %a, i64 %b) ret %out } define @whilele_h_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilele_h_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilele p0.h, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv8i1.i32(i32 %a, i32 %b) ret %out } define @whilele_h_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilele_h_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilele p0.h, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv8i1.i64(i64 %a, i64 %b) ret %out } define @whilele_s_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilele_s_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilele p0.s, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv4i1.i32(i32 %a, i32 %b) ret %out } define @whilele_s_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilele_s_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilele p0.s, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv4i1.i64(i64 %a, i64 %b) ret %out } define @whilele_d_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilele_d_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilele p0.d, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv2i1.i32(i32 %a, i32 %b) ret %out } define @whilele_d_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilele_d_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilele p0.d, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv2i1.i64(i64 %a, i64 %b) ret %out } define @whilele_d_ii_dont_fold_to_ptrue_larger_than_minvec() { ; CHECK-LABEL: whilele_d_ii_dont_fold_to_ptrue_larger_than_minvec: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #3 ; CHECK-NEXT: whilele p0.d, xzr, x8 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv2i1.i64(i64 0, i64 3) ret %out } define @whilele_b_ii() { ; CHECK-LABEL: whilele_b_ii: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: ptrue p0.b, vl6 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilele.nxv16i1.i64(i64 -2, i64 3) ret %out } define @whilele_b_ii_dont_fold_to_ptrue_nonexistent_vl9() { ; CHECK-LABEL: whilele_b_ii_dont_fold_to_ptrue_nonexistent_vl9: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #9 ; CHECK-NEXT: whilele p0.b, xzr, x8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilele.nxv16i1.i64(i64 0, i64 9) ret %out } define @whilele_b_vl_maximum() vscale_range(16, 16) { ; CHECK-LABEL: whilele_b_vl_maximum: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.b, vl256 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilele.nxv16i1.i64(i64 0, i64 255) ret %out } define @whilele_b_ii_dont_fold_to_ptrue_overflow() { ; CHECK-LABEL: whilele_b_ii_dont_fold_to_ptrue_overflow: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #2 ; CHECK-NEXT: mov w9, #2147483647 ; CHECK-NEXT: movk w8, #32768, lsl #16 ; CHECK-NEXT: whilele p0.b, w9, w8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilele.nxv16i1.i32(i32 2147483647, i32 -2147483646) ret %out } define @whilele_b_ii_dont_fold_to_ptrue_increment_overflow() { ; CHECK-LABEL: whilele_b_ii_dont_fold_to_ptrue_increment_overflow: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #2147483647 ; CHECK-NEXT: whilele p0.b, wzr, w8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilele.nxv16i1.i32(i32 0, i32 2147483647) ret %out } ; ; WHILELO ; define @whilelo_b_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilelo_b_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelo p0.b, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv16i1.i32(i32 %a, i32 %b) ret %out } define @whilelo_b_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilelo_b_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelo p0.b, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv16i1.i64(i64 %a, i64 %b) ret %out } define @whilelo_h_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilelo_h_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelo p0.h, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv8i1.i32(i32 %a, i32 %b) ret %out } define @whilelo_h_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilelo_h_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelo p0.h, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv8i1.i64(i64 %a, i64 %b) ret %out } define @whilelo_s_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilelo_s_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelo p0.s, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv4i1.i32(i32 %a, i32 %b) ret %out } define @whilelo_s_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilelo_s_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelo p0.s, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv4i1.i64(i64 %a, i64 %b) ret %out } define @whilelo_d_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilelo_d_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelo p0.d, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv2i1.i32(i32 %a, i32 %b) ret %out } define @whilelo_d_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilelo_d_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelo p0.d, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv2i1.i64(i64 %a, i64 %b) ret %out } define @whilelo_d_ii_dont_fold_to_ptrue_larger_than_minvec() { ; CHECK-LABEL: whilelo_d_ii_dont_fold_to_ptrue_larger_than_minvec: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #3 ; CHECK-NEXT: whilelo p0.d, xzr, x8 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv2i1.i64(i64 0, i64 3) ret %out } define @whilelo_b_ii() { ; CHECK-LABEL: whilelo_b_ii: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: ptrue p0.b, vl6 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilelo.nxv16i1.i64(i64 2, i64 8) ret %out } define @whilelo_b_ii_dont_fold_to_ptrue_nonexistent_vl9() { ; CHECK-LABEL: whilelo_b_ii_dont_fold_to_ptrue_nonexistent_vl9: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #9 ; CHECK-NEXT: whilelo p0.b, xzr, x8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilelo.nxv16i1.i64(i64 0, i64 9) ret %out } define @whilelo_b_vl_maximum() vscale_range(16, 16) { ; CHECK-LABEL: whilelo_b_vl_maximum: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.b, vl256 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelo.nxv16i1.i64(i64 0, i64 256) ret %out } define @whilelo_b_ii_dont_fold_to_ptrue_overflow() { ; CHECK-LABEL: whilelo_b_ii_dont_fold_to_ptrue_overflow: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #6 ; CHECK-NEXT: mov w9, #-1 ; CHECK-NEXT: whilelo p0.b, w9, w8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilelo.nxv16i1.i32(i32 4294967295, i32 6) ret %out } ; ; WHILELS ; define @whilels_b_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilels_b_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilels p0.b, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv16i1.i32(i32 %a, i32 %b) ret %out } define @whilels_b_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilels_b_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilels p0.b, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv16i1.i64(i64 %a, i64 %b) ret %out } define @whilels_h_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilels_h_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilels p0.h, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv8i1.i32(i32 %a, i32 %b) ret %out } define @whilels_h_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilels_h_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilels p0.h, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv8i1.i64(i64 %a, i64 %b) ret %out } define @whilels_s_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilels_s_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilels p0.s, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv4i1.i32(i32 %a, i32 %b) ret %out } define @whilels_s_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilels_s_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilels p0.s, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv4i1.i64(i64 %a, i64 %b) ret %out } define @whilels_d_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilels_d_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilels p0.d, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv2i1.i32(i32 %a, i32 %b) ret %out } define @whilels_d_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilels_d_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilels p0.d, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv2i1.i64(i64 %a, i64 %b) ret %out } define @whilels_d_ii_dont_fold_to_ptrue_larger_than_minvec() { ; CHECK-LABEL: whilels_d_ii_dont_fold_to_ptrue_larger_than_minvec: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #3 ; CHECK-NEXT: whilels p0.d, xzr, x8 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv2i1.i64(i64 0, i64 3) ret %out } define @whilels_b_ii() { ; CHECK-LABEL: whilels_b_ii: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: ptrue p0.b, vl7 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilels.nxv16i1.i64(i64 2, i64 8) ret %out } define @whilels_b_ii_dont_fold_to_ptrue_nonexistent_vl9() { ; CHECK-LABEL: whilels_b_ii_dont_fold_to_ptrue_nonexistent_vl9: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #9 ; CHECK-NEXT: whilels p0.b, xzr, x8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilels.nxv16i1.i64(i64 0, i64 9) ret %out } define @whilels_b_ii_vl_maximum() vscale_range(16, 16) { ; CHECK-LABEL: whilels_b_ii_vl_maximum: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.b, vl256 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilels.nxv16i1.i64(i64 0, i64 255) ret %out } define @whilels_b_ii_dont_fold_to_ptrue_overflow() { ; CHECK-LABEL: whilels_b_ii_dont_fold_to_ptrue_overflow: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #6 ; CHECK-NEXT: mov w9, #-1 ; CHECK-NEXT: whilels p0.b, w9, w8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilels.nxv16i1.i32(i32 4294967295, i32 6) ret %out } define @whilels_b_ii_dont_fold_to_ptrue_increment_overflow() { ; CHECK-LABEL: whilels_b_ii_dont_fold_to_ptrue_increment_overflow: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #-1 ; CHECK-NEXT: whilels p0.b, wzr, w8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilels.nxv16i1.i32(i32 0, i32 4294967295) ret %out } ; ; WHILELT ; define @whilelt_b_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilelt_b_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelt p0.b, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv16i1.i32(i32 %a, i32 %b) ret %out } define @whilelt_b_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilelt_b_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelt p0.b, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv16i1.i64(i64 %a, i64 %b) ret %out } define @whilelt_h_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilelt_h_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelt p0.h, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv8i1.i32(i32 %a, i32 %b) ret %out } define @whilelt_h_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilelt_h_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelt p0.h, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv8i1.i64(i64 %a, i64 %b) ret %out } define @whilelt_s_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilelt_s_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelt p0.s, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv4i1.i32(i32 %a, i32 %b) ret %out } define @whilelt_s_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilelt_s_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelt p0.s, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv4i1.i64(i64 %a, i64 %b) ret %out } define @whilelt_d_ww(i32 %a, i32 %b) { ; CHECK-LABEL: whilelt_d_ww: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelt p0.d, w0, w1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv2i1.i32(i32 %a, i32 %b) ret %out } define @whilelt_d_xx(i64 %a, i64 %b) { ; CHECK-LABEL: whilelt_d_xx: ; CHECK: // %bb.0: ; CHECK-NEXT: whilelt p0.d, x0, x1 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv2i1.i64(i64 %a, i64 %b) ret %out } define @whilelt_d_ii_dont_fold_to_ptrue_larger_than_minvec() { ; CHECK-LABEL: whilelt_d_ii_dont_fold_to_ptrue_larger_than_minvec: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, #3 ; CHECK-NEXT: whilelt p0.d, xzr, x8 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv2i1.i64(i64 0, i64 3) ret %out } define @whilelt_b_ii() { ; CHECK-LABEL: whilelt_b_ii: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: ptrue p0.b, vl5 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilelt.nxv16i1.i64(i64 -2, i64 3) ret %out } define @whilelt_b_ii_dont_fold_to_ptrue_nonexistent_vl9() { ; CHECK-LABEL: whilelt_b_ii_dont_fold_to_ptrue_nonexistent_vl9: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #9 ; CHECK-NEXT: whilelt p0.b, xzr, x8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilelt.nxv16i1.i64(i64 0, i64 9) ret %out } define @whilelt_b_ii_vl_maximum() vscale_range(16, 16) { ; CHECK-LABEL: whilelt_b_ii_vl_maximum: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.b, vl256 ; CHECK-NEXT: ret %out = call @llvm.aarch64.sve.whilelt.nxv16i1.i64(i64 0, i64 256) ret %out } define @whilelt_b_ii_dont_fold_to_ptrue_overflow() { ; CHECK-LABEL: whilelt_b_ii_dont_fold_to_ptrue_overflow: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: mov w8, #2 ; CHECK-NEXT: mov w9, #2147483647 ; CHECK-NEXT: movk w8, #32768, lsl #16 ; CHECK-NEXT: whilelt p0.b, w9, w8 ; CHECK-NEXT: ret entry: %out = call @llvm.aarch64.sve.whilelt.nxv16i1.i32(i32 2147483647, i32 -2147483646) ret %out } declare @llvm.aarch64.sve.whilele.nxv16i1.i32(i32, i32) declare @llvm.aarch64.sve.whilele.nxv16i1.i64(i64, i64) declare @llvm.aarch64.sve.whilele.nxv8i1.i32(i32, i32) declare @llvm.aarch64.sve.whilele.nxv8i1.i64(i64, i64) declare @llvm.aarch64.sve.whilele.nxv4i1.i32(i32, i32) declare @llvm.aarch64.sve.whilele.nxv4i1.i64(i64, i64) declare @llvm.aarch64.sve.whilele.nxv2i1.i32(i32, i32) declare @llvm.aarch64.sve.whilele.nxv2i1.i64(i64, i64) declare @llvm.aarch64.sve.whilelo.nxv16i1.i32(i32, i32) declare @llvm.aarch64.sve.whilelo.nxv16i1.i64(i64, i64) declare @llvm.aarch64.sve.whilelo.nxv8i1.i32(i32, i32) declare @llvm.aarch64.sve.whilelo.nxv8i1.i64(i64, i64) declare @llvm.aarch64.sve.whilelo.nxv4i1.i32(i32, i32) declare @llvm.aarch64.sve.whilelo.nxv4i1.i64(i64, i64) declare @llvm.aarch64.sve.whilelo.nxv2i1.i32(i32, i32) declare @llvm.aarch64.sve.whilelo.nxv2i1.i64(i64, i64) declare @llvm.aarch64.sve.whilels.nxv16i1.i32(i32, i32) declare @llvm.aarch64.sve.whilels.nxv16i1.i64(i64, i64) declare @llvm.aarch64.sve.whilels.nxv8i1.i32(i32, i32) declare @llvm.aarch64.sve.whilels.nxv8i1.i64(i64, i64) declare @llvm.aarch64.sve.whilels.nxv4i1.i32(i32, i32) declare @llvm.aarch64.sve.whilels.nxv4i1.i64(i64, i64) declare @llvm.aarch64.sve.whilels.nxv2i1.i32(i32, i32) declare @llvm.aarch64.sve.whilels.nxv2i1.i64(i64, i64) declare @llvm.aarch64.sve.whilelt.nxv16i1.i32(i32, i32) declare @llvm.aarch64.sve.whilelt.nxv16i1.i64(i64, i64) declare @llvm.aarch64.sve.whilelt.nxv8i1.i32(i32, i32) declare @llvm.aarch64.sve.whilelt.nxv8i1.i64(i64, i64) declare @llvm.aarch64.sve.whilelt.nxv4i1.i32(i32, i32) declare @llvm.aarch64.sve.whilelt.nxv4i1.i64(i64, i64) declare @llvm.aarch64.sve.whilelt.nxv2i1.i32(i32, i32) declare @llvm.aarch64.sve.whilelt.nxv2i1.i64(i64, i64)