; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s define <4 x i16> @fold_urem_vec_1(<4 x i16> %x) { ; CHECK-LABEL: fold_urem_vec_1: ; CHECK: // %bb.0: ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: umov w8, v0.h[0] ; CHECK-NEXT: mov w9, #8969 ; CHECK-NEXT: movk w9, #22765, lsl #16 ; CHECK-NEXT: umov w10, v0.h[1] ; CHECK-NEXT: mov w12, #16913 ; CHECK-NEXT: mov w13, #95 ; CHECK-NEXT: movk w12, #8456, lsl #16 ; CHECK-NEXT: umull x9, w8, w9 ; CHECK-NEXT: ubfx w14, w10, #2, #14 ; CHECK-NEXT: lsr x9, x9, #32 ; CHECK-NEXT: sub w11, w8, w9 ; CHECK-NEXT: umull x12, w14, w12 ; CHECK-NEXT: add w9, w9, w11, lsr #1 ; CHECK-NEXT: umov w11, v0.h[2] ; CHECK-NEXT: lsr w9, w9, #6 ; CHECK-NEXT: lsr x12, x12, #34 ; CHECK-NEXT: msub w8, w9, w13, w8 ; CHECK-NEXT: mov w9, #33437 ; CHECK-NEXT: movk w9, #21399, lsl #16 ; CHECK-NEXT: mov w13, #124 ; CHECK-NEXT: umull x9, w11, w9 ; CHECK-NEXT: msub w10, w12, w13, w10 ; CHECK-NEXT: umov w12, v0.h[3] ; CHECK-NEXT: fmov s0, w8 ; CHECK-NEXT: mov w13, #2287 ; CHECK-NEXT: lsr x8, x9, #37 ; CHECK-NEXT: mov w9, #98 ; CHECK-NEXT: movk w13, #16727, lsl #16 ; CHECK-NEXT: msub w8, w8, w9, w11 ; CHECK-NEXT: mov v0.h[1], w10 ; CHECK-NEXT: umull x9, w12, w13 ; CHECK-NEXT: mov w10, #1003 ; CHECK-NEXT: lsr x9, x9, #40 ; CHECK-NEXT: mov v0.h[2], w8 ; CHECK-NEXT: msub w8, w9, w10, w12 ; CHECK-NEXT: mov v0.h[3], w8 ; CHECK-NEXT: // kill: def $d0 killed $d0 killed $q0 ; CHECK-NEXT: ret %1 = urem <4 x i16> %x, <i16 95, i16 124, i16 98, i16 1003> ret <4 x i16> %1 } define <4 x i16> @fold_urem_vec_2(<4 x i16> %x) { ; CHECK-LABEL: fold_urem_vec_2: ; CHECK: // %bb.0: ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: umov w10, v0.h[0] ; CHECK-NEXT: mov w8, #8969 ; CHECK-NEXT: umov w9, v0.h[1] ; CHECK-NEXT: movk w8, #22765, lsl #16 ; CHECK-NEXT: umov w15, v0.h[2] ; CHECK-NEXT: umov w16, v0.h[3] ; CHECK-NEXT: umull x12, w10, w8 ; CHECK-NEXT: umull x11, w9, w8 ; CHECK-NEXT: lsr x12, x12, #32 ; CHECK-NEXT: lsr x11, x11, #32 ; CHECK-NEXT: sub w14, w10, w12 ; CHECK-NEXT: sub w13, w9, w11 ; CHECK-NEXT: add w12, w12, w14, lsr #1 ; CHECK-NEXT: umull x14, w15, w8 ; CHECK-NEXT: add w11, w11, w13, lsr #1 ; CHECK-NEXT: mov w13, #95 ; CHECK-NEXT: lsr w12, w12, #6 ; CHECK-NEXT: lsr w11, w11, #6 ; CHECK-NEXT: umull x8, w16, w8 ; CHECK-NEXT: msub w10, w12, w13, w10 ; CHECK-NEXT: lsr x12, x14, #32 ; CHECK-NEXT: msub w9, w11, w13, w9 ; CHECK-NEXT: sub w11, w15, w12 ; CHECK-NEXT: lsr x8, x8, #32 ; CHECK-NEXT: fmov s0, w10 ; CHECK-NEXT: add w10, w12, w11, lsr #1 ; CHECK-NEXT: lsr w10, w10, #6 ; CHECK-NEXT: sub w11, w16, w8 ; CHECK-NEXT: mov v0.h[1], w9 ; CHECK-NEXT: msub w9, w10, w13, w15 ; CHECK-NEXT: add w8, w8, w11, lsr #1 ; CHECK-NEXT: lsr w8, w8, #6 ; CHECK-NEXT: mov v0.h[2], w9 ; CHECK-NEXT: msub w8, w8, w13, w16 ; CHECK-NEXT: mov v0.h[3], w8 ; CHECK-NEXT: // kill: def $d0 killed $d0 killed $q0 ; CHECK-NEXT: ret %1 = urem <4 x i16> %x, <i16 95, i16 95, i16 95, i16 95> ret <4 x i16> %1 } ; Don't fold if we can combine urem with udiv. define <4 x i16> @combine_urem_udiv(<4 x i16> %x) { ; CHECK-LABEL: combine_urem_udiv: ; CHECK: // %bb.0: ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: umov w9, v0.h[0] ; CHECK-NEXT: mov w8, #8969 ; CHECK-NEXT: movk w8, #22765, lsl #16 ; CHECK-NEXT: umov w10, v0.h[1] ; CHECK-NEXT: umov w11, v0.h[2] ; CHECK-NEXT: mov w15, #95 ; CHECK-NEXT: umov w13, v0.h[3] ; CHECK-NEXT: umull x12, w9, w8 ; CHECK-NEXT: umull x14, w10, w8 ; CHECK-NEXT: lsr x12, x12, #32 ; CHECK-NEXT: umull x17, w11, w8 ; CHECK-NEXT: sub w16, w9, w12 ; CHECK-NEXT: lsr x14, x14, #32 ; CHECK-NEXT: lsr x17, x17, #32 ; CHECK-NEXT: umull x8, w13, w8 ; CHECK-NEXT: add w12, w12, w16, lsr #1 ; CHECK-NEXT: sub w16, w10, w14 ; CHECK-NEXT: lsr w12, w12, #6 ; CHECK-NEXT: lsr x8, x8, #32 ; CHECK-NEXT: add w14, w14, w16, lsr #1 ; CHECK-NEXT: sub w16, w11, w17 ; CHECK-NEXT: msub w9, w12, w15, w9 ; CHECK-NEXT: lsr w14, w14, #6 ; CHECK-NEXT: add w16, w17, w16, lsr #1 ; CHECK-NEXT: fmov s1, w12 ; CHECK-NEXT: msub w10, w14, w15, w10 ; CHECK-NEXT: sub w17, w13, w8 ; CHECK-NEXT: fmov s0, w9 ; CHECK-NEXT: lsr w9, w16, #6 ; CHECK-NEXT: mov v1.h[1], w14 ; CHECK-NEXT: add w8, w8, w17, lsr #1 ; CHECK-NEXT: msub w11, w9, w15, w11 ; CHECK-NEXT: lsr w8, w8, #6 ; CHECK-NEXT: mov v0.h[1], w10 ; CHECK-NEXT: msub w10, w8, w15, w13 ; CHECK-NEXT: mov v1.h[2], w9 ; CHECK-NEXT: mov v0.h[2], w11 ; CHECK-NEXT: mov v1.h[3], w8 ; CHECK-NEXT: mov v0.h[3], w10 ; CHECK-NEXT: add v0.4h, v0.4h, v1.4h ; CHECK-NEXT: ret %1 = urem <4 x i16> %x, <i16 95, i16 95, i16 95, i16 95> %2 = udiv <4 x i16> %x, <i16 95, i16 95, i16 95, i16 95> %3 = add <4 x i16> %1, %2 ret <4 x i16> %3 } ; Don't fold for divisors that are a power of two. define <4 x i16> @dont_fold_urem_power_of_two(<4 x i16> %x) { ; CHECK-LABEL: dont_fold_urem_power_of_two: ; CHECK: // %bb.0: ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: umov w10, v0.h[0] ; CHECK-NEXT: umov w9, v0.h[3] ; CHECK-NEXT: mov w8, #8969 ; CHECK-NEXT: umov w11, v0.h[1] ; CHECK-NEXT: movk w8, #22765, lsl #16 ; CHECK-NEXT: and w10, w10, #0x3f ; CHECK-NEXT: umull x8, w9, w8 ; CHECK-NEXT: and w11, w11, #0x1f ; CHECK-NEXT: lsr x8, x8, #32 ; CHECK-NEXT: fmov s1, w10 ; CHECK-NEXT: umov w10, v0.h[2] ; CHECK-NEXT: sub w12, w9, w8 ; CHECK-NEXT: mov v1.h[1], w11 ; CHECK-NEXT: add w8, w8, w12, lsr #1 ; CHECK-NEXT: and w10, w10, #0x7 ; CHECK-NEXT: lsr w8, w8, #6 ; CHECK-NEXT: mov w11, #95 ; CHECK-NEXT: msub w8, w8, w11, w9 ; CHECK-NEXT: mov v1.h[2], w10 ; CHECK-NEXT: mov v1.h[3], w8 ; CHECK-NEXT: fmov d0, d1 ; CHECK-NEXT: ret %1 = urem <4 x i16> %x, <i16 64, i16 32, i16 8, i16 95> ret <4 x i16> %1 } ; Don't fold if the divisor is one. define <4 x i16> @dont_fold_srem_one(<4 x i16> %x) { ; CHECK-LABEL: dont_fold_srem_one: ; CHECK: // %bb.0: ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: umov w9, v0.h[1] ; CHECK-NEXT: mov w8, #30865 ; CHECK-NEXT: movk w8, #51306, lsl #16 ; CHECK-NEXT: umov w11, v0.h[2] ; CHECK-NEXT: mov w12, #654 ; CHECK-NEXT: movi d1, #0000000000000000 ; CHECK-NEXT: mov w13, #47143 ; CHECK-NEXT: ubfx w10, w9, #1, #15 ; CHECK-NEXT: movk w13, #24749, lsl #16 ; CHECK-NEXT: umull x8, w10, w8 ; CHECK-NEXT: mov w10, #17097 ; CHECK-NEXT: movk w10, #45590, lsl #16 ; CHECK-NEXT: lsr x8, x8, #40 ; CHECK-NEXT: umull x10, w11, w10 ; CHECK-NEXT: msub w8, w8, w12, w9 ; CHECK-NEXT: umov w9, v0.h[3] ; CHECK-NEXT: lsr x10, x10, #36 ; CHECK-NEXT: mov w12, #23 ; CHECK-NEXT: msub w10, w10, w12, w11 ; CHECK-NEXT: mov w11, #5423 ; CHECK-NEXT: mov v1.h[1], w8 ; CHECK-NEXT: umull x8, w9, w13 ; CHECK-NEXT: lsr x8, x8, #43 ; CHECK-NEXT: mov v1.h[2], w10 ; CHECK-NEXT: msub w8, w8, w11, w9 ; CHECK-NEXT: mov v1.h[3], w8 ; CHECK-NEXT: fmov d0, d1 ; CHECK-NEXT: ret %1 = urem <4 x i16> %x, <i16 1, i16 654, i16 23, i16 5423> ret <4 x i16> %1 } ; Don't fold if the divisor is 2^16. define <4 x i16> @dont_fold_urem_i16_smax(<4 x i16> %x) { ; CHECK-LABEL: dont_fold_urem_i16_smax: ; CHECK: // %bb.0: ; CHECK-NEXT: ret %1 = urem <4 x i16> %x, <i16 1, i16 65536, i16 23, i16 5423> ret <4 x i16> %1 } ; Don't fold i64 urem. define <4 x i64> @dont_fold_urem_i64(<4 x i64> %x) { ; CHECK-LABEL: dont_fold_urem_i64: ; CHECK: // %bb.0: ; CHECK-NEXT: mov x8, #17097 ; CHECK-NEXT: fmov x9, d1 ; CHECK-NEXT: movk x8, #45590, lsl #16 ; CHECK-NEXT: mov x13, #21445 ; CHECK-NEXT: movk x8, #34192, lsl #32 ; CHECK-NEXT: movk x13, #1603, lsl #16 ; CHECK-NEXT: movk x8, #25644, lsl #48 ; CHECK-NEXT: movk x13, #15432, lsl #32 ; CHECK-NEXT: mov x10, v0.d[1] ; CHECK-NEXT: movk x13, #25653, lsl #48 ; CHECK-NEXT: umulh x8, x9, x8 ; CHECK-NEXT: mov x11, v1.d[1] ; CHECK-NEXT: sub x12, x9, x8 ; CHECK-NEXT: lsr x14, x10, #1 ; CHECK-NEXT: add x8, x8, x12, lsr #1 ; CHECK-NEXT: mov x12, #12109 ; CHECK-NEXT: movk x12, #52170, lsl #16 ; CHECK-NEXT: umulh x13, x14, x13 ; CHECK-NEXT: movk x12, #28749, lsl #32 ; CHECK-NEXT: mov w14, #23 ; CHECK-NEXT: movk x12, #49499, lsl #48 ; CHECK-NEXT: lsr x8, x8, #4 ; CHECK-NEXT: lsr x13, x13, #7 ; CHECK-NEXT: umulh x12, x11, x12 ; CHECK-NEXT: msub x8, x8, x14, x9 ; CHECK-NEXT: mov w9, #5423 ; CHECK-NEXT: lsr x12, x12, #12 ; CHECK-NEXT: mov w14, #654 ; CHECK-NEXT: movi v0.2d, #0000000000000000 ; CHECK-NEXT: msub x9, x12, x9, x11 ; CHECK-NEXT: msub x10, x13, x14, x10 ; CHECK-NEXT: fmov d1, x8 ; CHECK-NEXT: mov v1.d[1], x9 ; CHECK-NEXT: mov v0.d[1], x10 ; CHECK-NEXT: ret %1 = urem <4 x i64> %x, <i64 1, i64 654, i64 23, i64 5423> ret <4 x i64> %1 }